All the solutions provided in **McGraw Hill My Math Kindergarten Answer Key PDF Chapter 3 Lesson 1 Numbers 11 and 12 **will give you a clear idea of the concepts.

## McGraw-Hill My Math Kindergarten Answer Key Chapter 3 Lesson 1 Numbers 11 and 12

**Explore and Explain**

Answer:

Explanation:

One ten frame has 10 dots represent ten ones

The other ten frame has 2 dots it is 2 ones

Ten ones and two ones is 12

**Teacher Directions:** Starting with the ten-frame above the playground, fill the ten- frames with to show number 11 and 12. Count and say the number of objects. Trace a counter in each ten-frame box to show the number 12. Trace the number.

**See and Show**

Question 1.

Answer:

Explanation:

One ten frame has 10 rabbits represent ten ones

The other ten frame has 1 rabbit it is 1 ones

Ten ones and one ones is 11

Question 2.

Answer:

Explanation:

One ten frame has 10 toys represent ten ones

The other ten frame has 2 toys it is 2 ones

Ten ones and two ones is 12

Question 3.

Answer:

Explanation:

One ten frame has 10 toys represent ten ones

The other ten frame has 2 toys it is 2 ones

Ten ones and two ones is 12

**Directions:** 1-2. Count the objects. Say how many. Use Work Mat 4 and counters to show the number. Trace the number three times. 3. Count the objects. Say how many. Use Work Mat 4 and counters to show the number. Write the number three times.

**On My Own**

Question 4.

Answer:

Explanation:

One ten frame has 10 toys represent ten ones

The other ten frame has 1 toy it is 1 ones

Ten ones and one ones is 11

Question 5.

Answer:

Explanation:

One ten frame has 10 circles represent ten ones

The other ten frame has 1 circle it is 1 ones

Ten ones and one ones is 11

Question 6.

Answer:

Explanation:

One ten frame has 10 circles represent ten ones

The other ten frame has 2 circles it is 2 ones

Ten ones and two ones is 12

**Directions:** 4. Count the objects. Say how many. Use Work Mat 4 and counters to show the number. Write the number three times. 5-6. Trace the number three times. Say the number. Use Work Mat 4 and counters to show the number. Draw circles for counters to show the number.

**Problem Solving**

Question 7.

Answer:

Explanation:

Total number of balls is 5

For making balls to 11 we need to add more 6

5 + 6 = 11

Question 8.

Answer:

Explanation:

Total number of balls is 7

For making balls to 12 we need to add more 5

7 + 5 = 12

Directions: 7. Count the objects. Say how many. Draw more to make eleven. 8. Count the objects. Say how many. Draw more to make twelve.

### McGraw Hill My Math Kindergarten Chapter 3 Lesson 1 My Homework Answer Key

Question 1.

Answer:

Explanation:

One ten frame has 10 balls represent ten ones

The other ten frame has 2 balls it is 2 ones

Ten ones and two ones is 12

Question 2.

Answer:

Explanation:

One ten frame has 10 pencils represent ten ones

The other ten frame has 1 pencil it is 1 ones

Ten ones and one ones is 11

**Directions:** 1-2. Count the objects. Say how many. Trace the number. Write the number two times.

Question 3.

Answer:

Explanation:

One ten frame has 10 toys represent ten ones

The other ten frame has 1 toy it is 1 ones

Ten ones and one ones is 11

Question 4.

Answer:

Explanation:

One ten frame has 10 marbles represent ten ones

The other ten frame has 2 marbles it is 2 ones

Ten ones and two ones is 12

**Vocabulary Check**

Question 5.

eleven 11

Answer:

Explanation:

Ten ones and one ones is 11.

We need to make ten circles and one circle that is 10 + 1 = 11

Question 6.

twelve 12

Answer:

Explanation:

Ten ones and two ones is 12.

We need to make ten circles and two circles that is 10 + 2 = 12

**Directions:** 3-4. Count the objects. Say how many. Write the number three times. 5-6. Draw circles to show the number.

**Math at Home** Use an empty egg carton. Ask your child to fill each egg holder with one item. Use the items to create a group of 11 and 12. Write each number.

Answer:

Explanation:

We have filled egg holder with items.

First egg holder has ten items and second egg holder has one item.

Total we have 11 items.

Explanation:

We have filled egg holder with items.

First egg holder has ten items and second egg holder has two items.

Total we have 12 items.