To those students who are looking for common core, Big Ideas Math Answers Grade K Answer Key Chapter 8 Represent Numbers 11 to 19 can check here. If you are searching for Big Ideas Math Textbooks Solutions for Grade K can refer here.

## Big Ideas Math Book Grade K Answer Key Chapter 8 Represent Numbers 11 to 19

By Solving the Big Ideas Math Book Answers, Students can get a good grip on the subject and master Mathematical concepts. Mathematical students can construct the meaning of core concepts and principles by addressing the Big Ideas Math Answer Key Grade K. Students can get better problem solving skills by preparing from Grade K.

### Represent Numbers 11 to 19 Vocabulary

**Directions:**

Count the shooting stars in the sky. Write the number. You see 2 more shooting stars in the sky. Draw the shooting stars. Then write an addition sentence to tell how many shooting stars there are in all.

Answer:

There are 48 shooting stars in the sky.

Explanation:

Given that, there are 2 more shooting stars in the sky.

Totally there are 48 stars in the sky.

46 + 2 = 48

**Vocabulary Cards**

**Vocabulary Cards**

Answer:

The vocabulary cards are 12, 13, 14, 15, 16, 17, 18, and 19.

Explanation:

In the above-given question,

given the vocabulary cards.

The vocabulary cards are 12, 13, 14, 15, 16, 17, 18, and 19.

Answer:

The vocabulary cards are 12, 13, 14, 15, 16, 17, 18, and 19.

Explanation:

In the above-given question,

given the vocabulary cards.

The vocabulary cards are 12, 13, 14, 15, 16, 17, 18, and 19.

### Lesson 8.1 Identify Groups of 10

**Explore and Grow**

**Directions:**

Count and circle 10 linking cubes. Color the extra linking cubes.

Answer:

The number of cubes = 15

Explanation:

Given that, circle the 10 linking cubs.

color that extra linking cubs.

The total number of cubes = 15

Think and Grow

Directions:

Circle 10 objects. Tell how many more objects there are. Then write the numbers.

Answer:

The total number of objects is 18.

Explanation:

Given that, circle the 10 objects.

There are 8 more objects.

The total number of objects is 18.

**Apply and Grow: Practice**

**Directions:**

**1** and** 2** Circle 10 objects. Tell how many more objects there are. Then write the numbers.

Question 1.

Answer:

The total number of objects is 17.

Explanation:

Given that, circle the 10 objects.

There are 7 more objects.

The total number of objects is 17.

Question 2.

Answer:

The total number of objects is 14.

Explanation:

Given that, circle the 10 objects.

There are 3 more objects.

The total number of objects is 14.

**Think and Grow: Modeling Real Life**

**Directions:**

Draw beads on the string to show how many beads there are in all. Circle 10 beads

Answer:

The total number of beads is 11 in the first figure.

Explanation:

Given that, circle the 10 objects.

There are 1 more objects.

The total number of objects is 11.

The total number of beads is 11 in the first figure.

Given that, circle the 10 objects.

There are 6 more objects.

The total number of objects is 16.

Identify Groups of 10 Homework & Practice 8.1

**Directions:**

**1** Circle 10 paintbrushes. Tell how many more paintbrushes there are. Then write the numbers.

Question 1.

Answer:

The total number of paintbrushes is 13.

Explanation:

Given that, circle the 10 paintbrushes.

There are 3 more objects.

The total number of paintbrushes is 13.

**Directions:**

**2** and **3** Circle 10 objects. Tell how many more objects there are. Then write the numbers. **4** Draw beads on the string to show how many beads there are in all. Circle 10 beads.

Question 2.

Answer:

The total number of objects is 15.

Explanation:

Given that, circle the 10 objects.

There are 5 more objects.

The total number of objects is 15.

Question 3.

Answer:

The total number of objects is 11.

Explanation:

Given that, circle the 10 objects.

There are 1 more objects.

The total number of objects is 11.

Question 4.

Answer:

The total number of beads is 17 figure.

Explanation:

Given that, circle the 10 beads.

There are 7 more beads.

The total number of beads is 17.

### Lesson 8.2 Count and Write 11 and 12

**Explore and Grow**

**Directions:**

Place a linking cube on each strawberry. Slide cubes to fill the ten frame. Slide the extra cubes to the five frame.

Answer:

The number of strawberries.

Explanation:

Given that there are 11 strawberries.

place the cubes in 10 frame and 1 cube in 1 frame.

**Think and Grow**

**Directions:**

- Count the fruit. Say the number. Trace and write the number.
- Count the fruit. Say the number. Write the number

Answer:

a. The number of bananas = 12.

b. The number of watermelons = 11.

Explanation:

Given that, count the fruit.

bananas = 12

water melons = 11

12 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

11 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

**Apply and Grow:**

**Practice**

**Directions:**

**1 – 4** Count the objects. Say the number. Write the number.

Question 1.

Answer:

The total number of objects is 11.

Explanation:

Given that, count the objects.

There are 11 objects.

The total number of objects is 11.

Question 2.

Answer:

The total number of objects is 11.

Explanation:

Given that, count the objects.

There are 11 objects.

The total number of objects is 11.

Question 3.

Answer:

The total number of objects is 12.

Explanation:

Given that, count the objects.

There are 12 objects.

The total number of objects is 12.

Question 4.

Answer:

The total number of objects is 12.

Explanation:

Given that, count the objects.

There are 12 objects.

The total number of objects is 12.

**Think and Grow: Modeling Real Life**

**Directions:**

You have 12 oranges in your cart. There are 11 apples in the bin. Draw the oranges in the cart and the apples in the bin. Then write the numbers.

Answer:

The number of oranges = 12.

The number of apples = 11.

Explanation:

Given that, there are 12 oranges in the cart.

there are 11 apples in the bin.

The number of oranges = 12.

The number of apples = 11.

11 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

12 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Count and Write 11 and 12 Homework & Practice 8.2

**Directions:**

**1** and **2** Count the objects. Say the number. Write the number.

Question 1.

Answer:

The number of objects = 12.

Explanation:

Given that, count the objects.

there are 12 objects.

The number of objects = 12.

12 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 2.

Answer:

The number of objects = 11.

Explanation:

Given that, count the objects.

there are 11 objects.

The number of objects = 11.

11 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

**Directions:**

**3** and **4** Count the fruit. Say the number. Write the number.** 5** Draw 12 cherries on the tree. Write the number.

Question 3.

Answer:

The number of bananas = 10.

Explanation:

Given that, count the fruits.

there are 10 bananas.

The number of fruits = 10.

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 4.

Answer:

The number of berries = 11.

Explanation:

Given that, count the fruits.

there are 11 berries.

The number of berries = 11.

11 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 5.

Answer:

The number of cherries = 12.

Explanation:

Given that, draw the cherries on the tree.

there are 12 cherries.

The number of cherries = 12.

12 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1

### Lesson 8.3 Understand 11 and 12

**Explore and Grow**

**Directions:**

Place the 10 and 1 cards as the parts on the number bond. Slide the cards and hide the zero with the 1 card to make the whole. Write the parts and the whole.

Answer:

10 + 1 = 11

The whole = 11

Explanation:

Given that, place the 10 and 1 cards as the parts on the number bond.

slide the cards and hide the zero with the one card to make the whole.

10 + 1 = 11

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

1 = 1

whole = 11

11 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1.

Think and Grow

Directions:

Circle 10 objects. Draw dots in the ten frame to show how many objects are circled. Draw dots in the five frame to show how many more objects there are. Use the frames to write an addition sentence.

Answer:

The number of cars = 12

Explanation:

Given that, there are 12 cars in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

12 = 10 + 2

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

2 = 1 + 1

12 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1

**Apply and Grow: Practice**

**Directions:**

**1** and **2** Circle 10 vehicles. Draw dots in the ten frame to show how many vehicles are circled. Draw dots in the five frame to show how many more vehicles there are. Use the frames to write an addition sentence.

Question 1.

Answer:

The number of bikes = 12

Explanation:

Given that, there are 12 bikes in the figure.

circle 10 vehicles.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

12 = 10 + 2

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

2 = 1 + 1

12 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1

Question 2.

Answer:

The number of cars = 12

Explanation:

Given that, there are 11 cars in the figure.

circle 10 vehicles.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

11 = 10 + 1

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

1 = 1

11 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1

**Think and Grow: Modeling Real Life**

**Directions:**

- You have blue trucks. Your friend has red trucks. Circle your trucks. Write an addition sentence to match the picture. How many trucks do you have? Circle the number.
- You have yellow trains. Your friend has green trains. Circle your trains. Write an addition sentence to match the picture. How many trains does your friend have? Circle the number.

Answer:

a. The number of trucks = 11

blue color trucks = 10

red color truck = 1

Explanation:

Given that, there are 11 trucks in the figure.

circle 10 trucks.

blue color trucks = 10

red color trucks = 1

the number of trucks = 11

11 = 10 + 1

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

1 = 1

11 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1+ 1

b. The number of trains = 12

yellow color trains = 10

green color trains= 2

Explanation:

Given that, there are 12 trains in the figure.

circle 10 trains.

yellow color trains = 10

green color trucks = 2

the number of trains = 12

12 = 10 + 2

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

2 = 1 + 1

12 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1+ 1 + 1

### Understand 11 and 12 Homework & Practice 8.3

**Directions:**

**1** Circle 10 trucks. Draw dots in the ten frame to show how many trucks are circled. Draw dots in the five frame to show how many more trucks there are. Use the frames to write an addition sentence.

Question 1.

Answer:

The number of cars = 11.

Explanation:

Given that, there are 11 cars in the figure.

circle 10 vehicles.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

11 = 10 + 1

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

1 = 1

11 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1

**Directions:**

**2** Circle 10 bicycles. Draw dots in the ten frame to show how many bicycles are circled. Draw dots in the five frame to show how many more bicycles there are. Use the frames to write an addition sentence. **3** You have red cars. Your friend has blue cars. Circle your cars. Write an addition sentence to match your picture. How many cars does your friend have? Circle the number.

Question 2.

Answer:

The number of bicycles = 12.

Explanation:

Given that, there are 12 bicycles in the figure.

circle 10 bicycles.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

12 = 10 + 2

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

2 = 1 + 1

12 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1

Question 3.

Answer:

a. The number of cars = 12

blue color cars = 2

red color cars = 10

Explanation:

Given that, there are 12 cars in the figure.

circle 10 cars.

blue color cars = 2

red color cars = 10

the number of carss = 12

12 = 10 + 2

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

2 = 1 + 1

12 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1+ 1 + 1

### Lesson 8.4 Count and Write 13 and 14

**Explore and Grow**

**Directions:**

Place a linking cube on each carrot. Slide cubes to fill the ten frame. Slide the extra cubes to the five frame.

Answer:

The number of carrots = 13.

Explanation:

Given that, there are 13 carrots in the figure.

circle 13 carrots.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

13 = 10 + 3

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

3 = 1 + 1 + 1

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1

**Think and Grow**

**Directions:**

- Count the vegetables. Say the number. Trace and write the number.
- Count the vegetables. Say the number. Write the number.

Answer:

a. The number of chilies = 13.

b. The number of capsicums = 14.

Explanation:

Given that, count the fruit.

chillies = 13

capsicums = 14

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1

**Apply and Grow: Practice**

**Directions:**

**1 – 4** Count the objects. Say the number. Write the number.

Question 1.

Answer:

The number of objects = 13.

Explanation:

Given that, count the objects.

there are 13 objects.

The number of objects = 13.

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 2.

Answer:

The number of objects = 14.

Explanation:

Given that, count the objects.

there are 14 objects.

The number of objects = 14.

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1

Question 3.

Answer:

The number of objects = 13.

Explanation:

Given that, count the objects.

there are 13 objects.

The number of objects = 13.

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 4.

Answer:

The number of objects = 14.

Explanation:

Given that, count the objects.

there are 14 objects.

The number of objects = 14.

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

**Think and Grow: Modeling Real Life**

**Directions:**

A store has 14 cucumbers and 13 ears of corn in the bins. Draw the cucumbers and the ears of corn. Then write the numbers.

Answer:

The number of cucumbers = 14.

The number of corns = 13.

Explanation:

Given that, there are 14 cucumbers in the bins.

there are 13 corns in the bin.

The number of cucumbers = 12.

The number of corns = 13

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Count and Write 13 and 14 Homework & Practice 8.4

**Directions:**

**1** and **2** Count the objects. Say the number. Write the number.

Question 1.

Answer:

The number of objects = 14.

Explanation:

Given that, count the objects.

there are 14 objects.

The number of objects = 14.

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 2.

Answer:

The number of objects = 13.

Explanation:

Given that, count the objects.

there are 13 objects.

The number of objects = 13.

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

**Directions:**

**3** and **4** Count the vegetables. Say the number. Write the number. **5** Draw 14 heads of lettuce in the dirt. Write the number.

Question 3.

Answer:

The number of objects = 12.

Explanation:

Given that, count the objects.

there are 12 objects.

The number of objects = 12.

12 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 4.

Answer:

The number of objects = 13.

Given that, count the objects.

there are 13 objects.

The number of objects = 13.

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 5.

Answer:

The number of objects = 14.

Explanation:

Given that, draw the 14 heads of lettuce in the dirt.

there are 14 objects.

The number of objects = 14.

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

### Lesson 8.5 Understand 13 and 14

Explore and Grow

Directions:

Place the 10 and 3 cards as the parts on the number bond. Slide the cards and hide the zero with the 3 card to make the whole. Write the parts and the whole.

Answer:

10 + 3 = 13

The whole = 13

Explanation:

Given that, place the 10 and 3 cards as the parts on the number bond.

slide the cards and hide the zero with the one card to make the whole.

10 + 3 = 13

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

3 = 1 + 1 + 1

whole = 13

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1

**Think and Grow**

**Directions:**

Circle 10 objects. Draw dots in the ten frame to show how many objects are circled. Draw dots in the five frame to show how many more objects there are. Use the frames to write an addition sentence.

Answer:

The number of caps = 14

Explanation:

Given that, there are 14 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

14 = 10 + 4

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

4 = 1 + 1 + 1 + 1

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1

Apply and Grow: Practice

Directions:

**1** and **2** Circle 10 hats. Draw dots in the ten frame to show how many hats are circled. Draw dots in the five frame to show how many more hats there are. Use the frames to write an addition sentence.

Question 1.

Answer:

The number of caps = 13

Explanation:

Given that, there are 13 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

13 = 10 + 3

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

3 = 1 + 1 + 1

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1

Question 2.

Answer:

The number of caps = 14

Explanation:

Given that, there are 14 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

14 = 10 + 4

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

4 = 1 + 1 + 1 + 1

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1

**Think and Grow: Modeling Real Life**

**Directions:**

- You have striped party hats. Your friend has polka-dot party hats. Circle your hats. Write an addition sentence to match the picture. How many hats do you and your friend have in all? Circle the number.
- You have red party hats. Your friend has blue party hats. Circle your hats. Write an addition sentence to match the picture. How many hats do you have? Circle the number.

Answer:

a. The number of hats = 14

mixed color hats = 10

yellow color hats = 4

b. The number of red color = 10

blue color = 3

Explanation:

Given that, there are 14 trucks in the figure.

circle 10 trucks.

mixed color hats = 10

yellow color hats = 4

the number of hats = 14

14 = 10 + 4

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

4 = 1 + 1 + 1 + 1

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1+ 1 + 1 + 1

b. The number of hats = 13

blue color hats = 3

red color hats = 10

Given that, there are 13 hats in the figure.

circle 10 hats.

blue color hatss = 3

red color hats = 10

the number of hats = 13

13 = 10 + 3

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

3 = 1 + 1 + 1

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1+ 1 + 1

### Understand 13 and 14 Homework & Practice 8.5

**Directions:**

**1** Circle 10 hats. Draw dots in the ten frame to show how many hats are circled. Draw dots in the five frame to show how many more hats there are. Use the frames to write an addition sentence.

Question 1.

Answer:

The number of caps = 13

Explanation:

Given that, there are 13 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

13 = 10 + 3

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

3 = 1 + 1 + 1

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1

**Directions:**

**2** Circle 10 hats. Draw dots in the ten frame to show how many hats are circled. Draw dots in the five frame to show how many more hats there are. Use the frames to write an addition sentence. **3** You have green party hats. Your friend has purple party hats. Circle your hats. Write an addition sentence to match the picture. How many hats do you have? Circle the number.

Question 2.

Answer:

The number of caps = 14

Explanation:

Given that, there are 14 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 4 frames to show how many more objects there are.

14 = 10 + 4

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

4 = 1 + 1 + 1 + 1

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1

Question 3.

Answer:

The number of hats = 14

blue color hats = 4

green color hats = 10

Given that, there are 13 hats in the figure.

circle 10 hats.

blue color hats = 4

green color hats = 10

the number of hats = 14

14 = 10 + 4

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

4 = 1 + 1 + 1 + 1

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1+ 1 + 1 + 1

### Lesson 8.6 Count and Write 15

Explore and Grow

Directions:

Place a linking cube on each dolphin. Slide cubes to fill the top ten frame. Slide the extra cubes to the bottom ten frame.

Answer:

The number of objects = 15.

Explanation:

Given that, there are 15 objects in the figure.

circle 15 carrots.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

15 = 10 + 5

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

5 = 1 + 1 + 1+ 1 + 1

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1 + 1 + 1

**Think and Grow**

**Directions:**

- Count the fish. Say the number. Trace and write the number.
- Count the fish. Say the number. Write the number.

Answer:

a. The number of fishes = 15.

Explanation:

Given that, count the objects.

there are 15 objects.

The number of fishes = 15.

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 +1

b. The number of fishes = 15.

Given that, count the objects.

there are 15 objects.

The number of fishes = 15.

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 +1

**Apply and Grow: Practice**

**Directions:**

**1 – 4** Count the objects. Say the number. Write the number.

Question 1.

Answer:

The number of objects = 15.

Explanation:

Given that, count the objects.

there are 15 objects.

The number of fishes = 15.

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 +1

Question 2.

Answer:

The number of objects = 13.

Explanation:

Given that, count the objects.

there are 13 objects.

The number of fishes = 13.

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 3.

Answer:

The number of objects = 15.

Explanation:

Given that, count the objects.

there are 15 objects.

The number of fishes = 15.

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 + 1

Question 4.

Answer:

The number of objects = 15.

Explanation:

Given that, count the objects.

there are 15 objects.

The number of fishes = 15.

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 + 1

**Think and Grow: Modeling Real Life**

**Directions:**

11 blue fish swim near the top of the water. 15 red fish swim near the shipwreck. Draw the fish. Then write the numbers.

Answer:

The number of fishes = 26

blue color fishes = 11

red color fishes = 15

Explanation:

Given that, there are 11 trucks in the figure.

blue color fishess = 10

red color fishes = 15

the number of blue color fishes = 11

the number of red color fishes = 15

11 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1 + 1+ 1

Count and Write 15 Homework & Practice 8.6

**Directions:**

**1** and** 2** Count the objects. Say the number. Write the number.

Question 1.

Answer:

The number of objects = 15.

Explanation:

Given that, count the objects.

there are 15 objects.

The number of fishes = 15.

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 2.

Answer:

The number of objects = 13.

Given that, count the objects.

there are 13 objects.

The number of objects = 13.

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

**Directions:**

**3** and **4** Count the sea creatures. Say the number. Write the number. **5** Draw 15 bubbles in the water. Write the number.

Question 3.

Answer:

The number of objects = 11.

Explanation:

Given that, count the objects.

there are 11 objects.

The number of objects = 11.

11 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 4.

Answer:

The number of objects = 15.

Explanation:

Given that, count the objects.

there are 15 objects.

The number of objects = 15.

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 5.

Answer:

The number of bubbles = 15.

Explanation:

Given that, count the objects.

there are 15 objects.

The number of objects = 15.

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

### Lesson 8.7 Understand 15

**Explore and Grow**

**Directions:**

Place the 10and 5 cards as the parts on the number bond. Slide the cards and hide the zero with the 5 card to make the whole. Write the parts and the whole.

Answer:

The number of cards = 15

Explanation:

Given that, there are 15 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

15 = 10 + 5

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

5 = 1 + 1 + 1 + 1 + 1

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1

**Think and Grow**

**Directions:**

Circle 10 objects. Draw dots in the top ten frame to show how many objects are circled. Draw dots in the bottom ten frame to show how many more objects there are. Use the ten frames to write an addition sentence.

Answer:

The number of objects = 15

Explanation:

Given that, there are 15 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

15 = 10 + 5

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

5 = 1 + 1 + 1 + 1 + 1

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+ 1+1 + 1 + 1

**Apply and Grow: Practice**

**Directions:**

**1** and **2** Circle 10owers. Draw dots in the top ten frame to show how many flowers are circled. Draw dots in the bottom ten frame to show how many more flowers there are. Use the ten frames to write an addition sentence.

Question 1.

Answer:

The number of objects = 15

Explanation:

Given that, there are 15 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

15 = 10 + 5

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

5 = 1 + 1 + 1 + 1 + 1

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+ 1+1 + 1 + 1

Question 2.

Answer:

The number of objects = 15

Explanation:

Given that, there are 15 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

15 = 10 + 5

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

5 = 1 + 1 + 1 + 1 + 1

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+ 1+1 + 1 + 1

**Think and Grow: Modeling Real Life**

**Directions:**

- You have pink flowers. Your friend has yellow flowers. Circle your flowers. Write an addition sentence to match the picture. How many flowers does your friend have? Circle the number.
- You have blue flowers. Your friend has orange flowers. Circle your flowers. Write an addition sentence to match the picture. How many flowers do you and your friend have in all? Circle the number.

Answer:

a. The number of flowers = 15

pink color flowers = 10

yellow color flowers = 5

b. The number of red color = 4

blue color = 10

Explanation:

Given that, there are 15 figures in the figure.

circle 10 flowers.

pink color hats = 10

yellow color hats = 5

the number of hats = 15

15 = 10 + 5

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

5 = 1 + 1 + 1 + 1+ 1

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1+ 1 + 1 + 1 + 1

b. The number of flowers = 13

blue color flowers = 10

red color flowers = 4

Given that, there are 14 flowers in the figure.

circle 10 flowers.

blue color flowers = 4

red color flowers = 10

the number of flowers = 14

14 = 10 + 4

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

4 = 1 + 1 + 1+ 1

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1+ 1

### Understand 15 Homework & Practice 8.7

**Directions:**

**1** Circle 10 flowers. Draw dots in the top ten frame to show how many flowers are circled. Draw dots in the bottom ten frame to show how many more flowers there are. Use the ten frames to write an addition sentence.

Question 1.

Answer:

The number of objects = 15

Given that, there are 15 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

15 = 10 + 5

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

5 = 1 + 1 + 1 + 1 + 1

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+ 1+1 + 1 + 1

**Directions:**

**2** Circle 10 flowers. Draw dots in the top ten frame to show how many flowers are circled. Draw dots in the bottom ten frame to show how many more flowers there are. Use the ten frames to write an addition sentence. **3** You have yellow flowers. Your friend has red flowers. Circle your flowers. Write an addition sentence to match the picture. How many flowers do you and your friend have in all? Circle the number.

Question 2.

Answer:

The number of objects = 14

Explanation:

Given that, there are 14 flowers in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

14 = 10 + 4

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

4 = 1 + 1 + 1 + 1

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+ 1+1 + 1

Question 3.

Answer:

The number of flowers = 15

yellow color flowers = 10

red color flowers = 5

Given that, there are 15 flowers in the figure.

circle 10 flowers.

yellow color flowers = 10

red color flowers = 5

the number of flowers = 15

15 = 10 + 5

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

5 = 1 + 1 + 1+ 1 + 1

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1+ 1 + 1

### Lesson 8.8 Count and Write 16 and 17

**Explore and Grow**

**Directions:**

Place a linking cube on each football. Slide cubes to fill the top ten frame. Slide the extra cubes to the bottom ten frame.

Answer:

The number of objects = 16.

Explanation:

Given that, there are 16 objects in the figure.

circle 16 carrots.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

16 = 10 + 6

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

6 = 1 + 1 + 1+ 1 + 1 + 1

16 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

**Think and Grow**

**Directions:**

- Count the objects. Say the number. Trace and write the number.
- Count the objects. Say the number. Write the number.

Answer:

a.The number of objects = 17.

Explanation:

Given that, count the objects.

there are 17 objects.

The number of objects = 17.

17 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

b.The number of objects = 16.

Given that, count the objects.

there are 16 objects.

The number of objects = 16.

16 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 + 1

**Apply and Grow: Practice**

**Directions:**

**1 – 4** Count the objects. Say the number. Write the number.

Question 1.

Answer:

The number of objects = 16.

Explanation:

Given that, count the objects.

there are 16 objects.

The number of objects = 16.

16 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 + 1 + 1

Question 2.

Answer:

The number of objects = 17.

Explanation:

Given that, count the objects.

there are 17 objects.

The number of objects = 17.

17 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 + 1 + 1 + 1

Question 3.

Answer:

The number of objects = 17.

Explanation:

Given that, count the objects.

there are 17 objects.

The number of objects = 17.

17 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 + 1 + 1 + 1

Question 4.

Answer:

The number of objects = 16.

Explanation:

Given that, count the objects.

there are 16 objects.

The number of objects = 16.

16 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 + 1 + 1

**Think and Grow: Modeling Real Life**

**Directions:**

There are 17 blocks on the floor and 16 books on the shelves. Draw the blocks and the books. Then write the numbers.

Answer:

The number of blocks = 17

The number of books = 16

Explanation:

Given that, there are 17 blocks on the floor and 16 books on the shelves.

the number of blocks = 17

the number of books = 16

16 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

17 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

### Count and Write 16 and 17 Homework & Practice 8.8

**Directions:**

**1** and **2** Count the objects. Say the number. Write the number.

Question 1.

Answer:

The number of objects = 16.

Explanation:

Given that, count the objects.

there are 16 objects.

The number of objects = 16.

16 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 + 1 + 1

Question 2.

Answer:

The number of objects = 17.

Explanation:

Given that, count the objects.

there are 17 objects.

The number of objects = 17.

17 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 + 1 + 1 + 1

**Directions:**

**3** and **4** Count the objects. Say the number. Write the number. **5** Draw 17 balls on the ball rack. Write the number.

Question 3.

Answer:

The number of objects = 16.

Given that, count the objects.

there are 16 objects.

The number of objects = 16.

16 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 + 1 + 1

Question 4.

Answer:

The number of objects = 14.

Explanation:

Given that, count the objects.

there are 14 objects.

The number of objects = 14.

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1

Question 5.

Answer:

The number of objects = 17.

Explanation:

Given that, count the objects.

there are 17 objects.

The number of objects = 17.

17 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1+ 1 + 1 + 1

### Lesson 8.9 Understand 16 and 17

**Explore and Grow**

**Directions:**

Place the 10and 6 cards as the parts on the number bond. Slide the cards and hide the zero with the 6 card to make the whole. Write the parts and the whole.

Answer:

The number of cards = 16

Explanation:

Given that, there are 16 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 6 frames to show how many more objects there are.

16 = 10 + 6

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

6 = 1 + 1 + 1 + 1 + 1 + 1

16 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1 + 1

**Think and Grow**

**Directions:**

Circle 10 objects. Draw dots in the top ten frame to show how many objects are circled. Draw dots in the bottom ten frame to show how many more objects there are. Use the ten frames to write an addition sentence.

Answer:

The number of cards = 17

Explanation:

Given that, there are 17 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 7 frames to show how many more objects there are.

17 = 10 + 7

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

7 = 1 + 1 + 1 + 1 + 1 + 1 + 1

17 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1 + 1 + 1

**Apply and Grow: Practice**

**Directions:**

**1** and **2** Circle 10 objects. Draw dots in the top ten frame to show how many objects are circled. Draw dots in the bottom ten frame to show how many more objects there are. Use the ten frames to write an addition sentence.

Question 1.

Answer:

The number of cards = 16

Explanation:

Given that, there are 16 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 6 frames to show how many more objects there are.

16 = 10 + 6

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

6 = 1 + 1 + 1 + 1 + 1 + 1

16 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1

Question 2.

Answer:

The number of cards = 17

Explanation:

Given that, there are 17 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 7 frames to show how many more objects there are.

17 = 10 + 7

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

7 = 1 + 1 + 1 + 1 + 1 + 1 + 1

17 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1 + 1

**Think and Grow: Modeling Real Life**

**Directions:**

- You put yellow stickers on a page. Your friend puts red stickers on the same page. Circle your stickers. Write an addition sentence to match the picture. How many stickers does your friend put on the page? Circle the number.
- You put blue stickers on a page. Your friend puts green stickers on the same page. Circle your stickers. Write an addition sentence to match the picture. How many stickers does your friend put on the page? Circle the number.

Answer:

a. The number of stickers = 16

red color stickers = 6

yellow color stickers = 10

b. The number of green color = 7

blue color = 10

Explanation:

Given that, there are 16 figures in the figure.

circle 10 stickers..

red color stickers= 6

yellow color sickers= 10

the number of stickers = 16

16 = 10 + 6

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

6 = 1 + 1 + 1 + 1+ 1+ 1

16 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1+ 1 + 1 + 1 + 1 + 1

b. The number of stickers = 17

blue color stickers = 10

green color stickers = 7

Given that, there are 17 flowers in the figure.

circle 10 stickerss.

blue color stickerss = 4

green color flowers = 7

the number of flowers = 10

17 = 10 + 7

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

7 = 1 + 1 + 1+ 1 + 1 + 1 + 1

17 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1+ 1 + 1 + 1

### Understand 16 and 17 Homework & Practice 8.9

**Directions:**

**1** Circle 10 stars. Draw dots in the top ten frame to show how many stars are circled. Draw dots in the bottom ten frame to show how many more stars there are. Use the ten frames to write an addition sentence.

Question 1.

Answer:

The number of stars = 16

Explanation:

Given that, there are 16 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 6 frames to show how many more objects there are.

16 = 10 + 6

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

6 = 1 + 1 + 1 + 1 + 1 + 1

16 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1

**Directions:**

**2** Circle 10 butterflies. Draw dots in the top ten frame to show how many butterflies are circled. Draw dots in the bottom ten frame to show how many more butterflies there are. Use the ten frames to write an addition sentence. **3** You put orange stickers on a page. Your friend puts blue stickers on the next page. Circle your stickers. Write an addition sentence to match the picture. How many stickers does your friend put on the next page? Circle the number.

Question 2.

Answer:

The number of butterflies = 16

Explanation:

Given that, there are 16 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 6 frames to show how many more objects there are.

16 = 10 + 6

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

6 = 1 + 1 + 1 + 1 + 1 + 1

16 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1

Question 3.

Answer:

The number of stickers = 17

yellow color stickers = 10

blue color flowers = 7

Explanation:

Given that, there are 17 stickers in the figure.

circle 10 stickers.

yellow color stickers = 10

blue color stickers = 7

the number of stickers = 17

17 = 10 + 7

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

7 = 1 + 1 + 1+ 1 + 1 + 1 + 1

### Lesson 8.10 Count and Write 18 and 19

**Explore and Grow**

**Directions:**

Place a linking cube on each leaf. Slide cubes to fill the top ten frame. Slide the extra cubes to the bottom ten frame.

Answer:

The number of objects = 18.

Explanation:

Given that, there are 18 objects in the figure.

circle 18 carrots.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

18 = 10 + 8

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

8 = 1 + 1 + 1+ 1 + 1 + 1+ 1 + 1

18 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

**Think and Grow**

**Directions:**

- Count the objects. Say the number. Trace and write the number.
- Count the objects. Say the number. Write the number.

Answer:

a.The number of objects = 19.

b. The number of objects = 18.

Explanation:

Given that, count the objects.

there are 19 objects.

The number of objects = 19.

19 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1.

b.The number of objects = 18.

Given that, count the objects.

there are 18 objects.

The number of objects = 18.

18 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1 + 1 + 1.

**Apply and Grow: Practice**

**Directions:**

**1 – 4** Count the objects. Say the number. Write the number.

Question 1.

Answer:

The number of objects = 18.

Explanation:

Given that, count the objects.

there are 18 objects.

The number of objects = 18.

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

8 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 2.

Answer:

The number of objects = 18.

Explanation:

Given that, count the objects.

there are 18 objects.

The number of objects = 18.

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

8 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 3.

Answer:

The number of objects = 19.

Explanation:

Given that, count the objects.

there are 19 objects.

The number of objects = 19

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

9 = 1 + 1 + 1 + 1 + 1 + 1 +1

Question 4.

Answer:

The number of objects = 19.

Explanation:

Given that, count the objects.

there are 19 objects.

The number of objects = 19

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

9 = 1 + 1 + 1 + 1 + 1 + 1 +1

**Think and Grow: Modeling Real Life**

**Directions:**

There are 19 red leaves on the ground. There are 18 orange leaves left on the tree. Draw the leaves on the ground and the leaves on the tree. Write the numbers.

Answer:

The number of red leaves = 19

The number of green leaves = 18

green color leaves = 18

red color leaves = 19

Explanation:

Given that, there are 18 , 19trucks in the figure.

green color leaves = 18

red color leaves = 19

the number of green color leaves= 18

the number of red color leaves = 19

18 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

19 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1 + 1+ 1 + 1 + 1 + 1 +1

### Count and Write 18 and 19 Homework & Practice 8.10

**Directions:**

**1** and **2** Count the objects. Say the number. Write the number.

Question 1.

Answer:

The number of objects = 19.

Explanation:

Given that, count the objects.

there are 19 objects.

The number of objects = 19.

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

9 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 2.

Answer:

The number of objects = 18.

Explanation:

Given that, count the objects.

there are 18 objects.

The number of objects = 18.

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

8 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

**Directions:**

**3** and** 4** Count the objects. Say the number. Write the number. **5** Draw 18 acorns on the ground. Write the number.

Question 3.

Answer:

The number of objects = 19.

Explanation:

Given that, count the objects.

there are 19 objects.

The number of objects = 19.

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

9 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 4.

Answer:

The number of objects = 17.

Explanation:

Given that, count the objects.

there are 17 objects.

The number of objects = 17.

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

7 = 1 + 1 + 1 + 1 + 1 + 1 + 1

Question 5.

Answer:

The number of objects = 18.

Given that, count the objects.

there are 18 objects.

The number of objects = 18.

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

8 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

### Lesson 8.11 Understand 18 and 19

**Explore and Grow**

**Directions:**

Place the 10 and 8 cards as the parts on the number bond. Slide the cards and hide the zero with the 8 card to make the whole. Write the parts and the whole.

Answer:

The number of cards = 18

Explanation:

Given that, there are 18 caps in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 8 frames to show how many more objects there are.

18 = 10 + 8

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

8 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

18 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1 + 1 + 1 + 1

**Think and Grow**

**Directions:**

Circle 10 objects. Draw dots in the top ten frame to show how many objects are circled. Draw dots in the bottom ten frame to show how many more objects there are. Use the ten frames to write an addition sentence.

Answer:

The number of object = 19

Explanation:

Given that, there are 19 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 9 frames to show how many more objects there are.

19 = 10 + 9

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

9 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

19 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1 +1 + 1 + 1

**Apply and Grow: Practice**

**Directions:**

**1** and **2** Circle 10 gemstones. Draw dots in the top ten frame to show how many gemstones are circled. Draw dots in the bottom ten frame to show how many more gemstones there are. Use the ten frames to write an addition sentence.

Question 1.

Answer:

The number of objects= 18.

Explanation:

Given that, there are 18 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 8 frames to show how many more objects there are.

18 = 10 + 8

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

8 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

18 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1 +1 + 1

Question 2.

Answer:

The number of objects= 19.

Explanation:

Given that, there are 19 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 9 frames to show how many more objects there are.

19 = 10 + 9

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

9 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

19 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1 +1 + 1 + 1

**Think and Grow: Modeling Real Life**

**Directions:**

- You have pink gemstones and blue gemstones. Your friend has silver gemstones and gold gemstones. Circle your gemstones. Write an addition sentence to match the picture. How many gemstones do you have? Circle the number.
- You have gold gemstones and silver gemstones. Your friend has purple gemstones and green gemstones. Circle your gemstones. Write an addition sentence to match the picture. How many gemstones does your friend have? Circle the number.

Answer:

a. The number of objects = 19

pink and blue color flowers = 10

yellow and silver color flowers = 9

b.The number of objects = 18

The number of gold and silver color = 10

blue and green color = 8

Explanation:

Given that, there are 15 figures in the figure.

circle 10 flowers.

pink color hats = 19

yellow color hats = 9

the number of hats = 10

19 = 10 + 9

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

9 = 1 + 1 + 1 + 1+ 1 + 1 + 1 + 1 + 1

19 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1+ 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

b. The number of flowers = 18

blue color flowers = 10

red color flowers = 8

Given that, there are 18 flowers in the figure.

circle 10 flowers.

pink color hats = 18

yellow color hats = 8

the number of hats = 10

18 = 10 + 8

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

8 = 1 + 1 + 1 + 1+ 1 + 1 + 1 + 1

18 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1+ 1 + 1 + 1 + 1 + 1 + 1 + 1

### Understand 18 and 19 Homework & Practice 8.11

**Directions:**

**1** Circle 10 gemstones. Draw dots in the ten frame to show how many gemstones are circled. Draw dots in the bottom ten frame to show how many more gemstones there are. Use the ten frames to write an addition sentence.

Question 1.

Answer:

The number of objects= 18.

Explanation:

Given that, there are 18 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 8 frames to show how many more objects there are.

18 = 10 + 8

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

8 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

18 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1 +1 + 1

**Directions:**

**2** Circle 10 gemstones. Draw dots in the top ten frame to show how many gemstones are circled. Draw dots in the bottom ten frame to show how many more gemstones there are. Use the ten frames to write an addition sentence. **3** You have red gemstones and blue gemstones. Your friend has yellow gemstones and silver gemstones. Circle your gemstones. Write an addition sentence to match the picture. How many gemstones does your friend have? Circle the number.

Question 2.

Answer:

The number of objects= 18.

Explanation:

Given that, there are 18 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 8 frames to show how many more objects there are.

18 = 10 + 8

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

8 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

18 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1 +1 +

Question 3.

Answer:

The number of objects= 19.

Explanation:

Given that, there are 19 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 9 frames to show how many more objects there are.

19 = 10 + 9

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

9 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1+ 1

19 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1 +1 +1

### Represent Numbers 11 to 19 Performance Task

**Directions:**

**1** Classify the stars into 2 categories. Circle to show each group. Then write an addition sentence to tell how many stars there are in all. **2** There are red stars and blue stars in the sky. The number of red stars is 1 more than 9. The number of blue stars is greater than 5, but less than the number of red stars. Draw and color the stars. Then write an addition sentence to tell how many stars there are in all.

Question 1.

Answer:

The number of objects= 15.

Explanation:

Given that, there are 15 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

15 = 10 + 5

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

5 = 1 + 1 + 1 + 1 + 1

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1

Question 2.

Answer:

The number of objects= 18.

Explanation:

Given that, there are 18 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 8 frames to show how many more objects there are.

18 = 10 + 8

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

8 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

18 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1 + 1 + 1 + 1 +1 +

### Represent Numbers 11 to 19 Activity

**Number Flip and Find**

**Directions:**

Place the Number Flip and Find Cards face down in the boxes. Take turns flipping 2 cards. If your cards show the same number, keep the cards. If your cards show different numbers, flip the cards back over. Repeat this until all cards are gone.

Answer:

### Represent Numbers 11 to 19 Chapter Practice

**Directions:**

**1** and** 2** Circle 10 objects. Tell how many more objects there are. Then write the numbers.

**8.1 Identify Groups of 10**

Question 1.

Answer:

The number of objects = 16.

Explanation:

Given that, circle the objects.

there are 16 objects.

The number of objects = 16.

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

6 = 1 + 1 + 1 + 1 + 1 + 1

Question 2.

Answer:

The number of objects = 13.

Explanation:

Given that, circle the objects.

there are 13 objects.

The number of objects = 13.

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

3 = 1 + 1 + 1

**Directions:**

**3** and **4** Count the fruit. Say the number. Write the number. Circle 10 buses. Draw dots in the ten frame to show how many buses are circled. Draw dots in the five frame to show how many more buses there are. Use the frames to write an addition sentence.

**8.2 Count and Write 11 and 12**

Question 3.

Answer:

The number of objects= 12.

Explanation:

Given that, there are 12 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 2 frames to show how many more objects there are.

12 = 10 + 2

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

2 = 1 + 1

12 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1+1

Question 4.

Answer:

The number of objects= 11.

Explanation:

Given that, there are 11 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 1 frames to show how many more objects there are.

11 = 10 + 1

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

1 = 1

11 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1

**8.3 Understand 11 and 12**

Question 5.

Answer:

The number of objects= 12.

Explanation:

Given that, there are 12 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 2 frames to show how many more objects there are.

12 = 10 + 2

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

2 = 1 + 1

12 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1

**Directions:**

**6** and **7** Count the vegetables. Say the number. Write the number. **8** Circle 10 hats. Draw dots in the ten frame to show how many hats are circled. Draw dots in the five frame to show how many more hats there are. Use the frames to write an addition sentence.

**8.4 Count and Write 13 and 14**

Question 6.

Answer:

The number of objects= 14.

Explanation:

Given that, there are 14 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 4 frames to show how many more objects there are.

14 = 10 + 4

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

4 = 1 + 1 + 1 + 1

14 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1 + 1

Question 7.

Answer:

The number of objects= 13.

Explanation:

Given that, there are 13 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 3 frames to show how many more objects there are.

13 = 10 + 3

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

3 = 1 + 1 + 1

13 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1

**8.5 Understand 13 and 14**

Question 8.

Answer:

The number of objects= 11.

Explanation:

Given that, there are 11 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 1 frame to show how many more objects there are.

11 = 10 + 1

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

1 = 1

11 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1

**Directions:**

**9** Count the fish. Say the number. Write the number. **10** Circle 10 flowers. Draw dots in the top ten frame to show how many flowers are circled. Draw dots in the bottom ten frame to show how many more flowers there are. Use the ten frames to write an addition sentence.

**8.6 Count and Write 15**

Question 9.

Answer:

The number of objects= 15.

Explanation:

Given that, there are 15 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

15 = 10 + 5

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

5 = 1 + 1 + 1 + 1 + 1

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1 + 1 + 1

**8.7 Understand 15**

Question 10.

Answer:

The number of objects= 15.

Explanation:

Given that, there are 15 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 5 frames to show how many more objects there are.

15 = 10 + 5

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

5 = 1 + 1 + 1 + 1 + 1

15 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1 + 1 + 1

**Directions:**

**11** Count the yo-yos. Say the number. Write the number. **12** Circle 10 stickers. Draw dots in the top ten frame to show how many stickers are circled. Draw dots in the bottom ten frame to show how many more stickers there are. Use the ten frames to write an addition sentence.

**8.8 Count and Write 16 and 17**

Question 11.

Answer:

The number of objects = 16.

Explanation:

Given that, count the objects.

there are 16 objects.

The number of objects = 16.

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

6 = 1 + 1 + 1 + 1 + 1 + 1

**8.9 Understand 16 and 17**

Question 12.

Answer:

The number of objects= 17.

Explanation:

Given that, there are 17 objects in the figure.

circle 10 objects.

draw dots in 10 frames to show how many objects are circled.

draw dots in 7 frames to show how many more objects there are.

17 = 10 + 7

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

7 = 1 + 1 + 1 + 1 + 1 + 1 + 1

17 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

**Directions:**

**13** Count the leaves. Say the number. Write the number. **14** You have blue gemstones and orange gemstones. Your friend has purple gemstones and green gemstones. Circle your gemstones. Write an addition sentence to match the picture. How many gemstones do you and your friend have in all? Circle the number.

**8.10 Count and Write 18 and 19**

Question 13.

Answer:

The number of objects = 19.

Explanation:

Given that, circle the objects.

there are 19 objects.

The number of objects = 19.

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

9 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

**8.11 Understand 18 and 19**

Question 14.

Answer:

The number of gemstones = 18

red color stickers = 3

sky blue color stickers = 7

The number of green color = 2

blue color = 6

Explanation:

Given that, there are 18 figures in the figure.

circle 10 stickers..

red and skyblue color stickers= 10

green and blue color sickers= 8

the number of gemstones = 18

18 = 10 + 8

10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1

8 = 1 + 1 + 1 + 1+ 1+ 1 + 1 + 1

18 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +1 + 1+ 1 + 1 + 1 + 1 + 1 + 1 + 1