All the solutions provided inÂ **McGraw Hill My Math Kindergarten Answer Key PDF Chapter 3 Lesson 10 Count to 100 by Tens **will give you a clear idea of the concepts.

## McGraw-Hill My Math Kindergarten Answer Key Chapter 3 Lesson 10 Count to 100 by Tens

**Explore and Explain**

Answer:

Explanation:

Counting from tens,

Ten ones and ten ones is twenty ones that is two tens

Green color are 10, 20 and 30

Yellow color are 40, 50 and 60

Red color are 70, 80, 90 and 100

**Teacher Directions:** Touch and count by 10s from 10 to 100. Color 10, 20, and 30 green. Color 40, 50, and 60 yellow. Color 70, 80, 90, and 100 red.

See and Show

Question 1.

Answer:

Explanation:

The missing numbers are 20 and 30.

After 10 it is 20 that is 10 + 10 = 20.

After 20 it is 30 that is 20 + 10 = 30

Question 2.

Answer:

Explanation:

The missing numbers is 50

After 40 it is 50 that is 40 + 10 = 50.

Question 3.

Answer:

Explanation:

The missing numbers is 80

After 70 it is 80 that is 70 + 10 = 80.

**Directions:** 1-3. Count by 10s. Use a hundred chart to find the missing numbers. Write the missing numbers.

**On My Own**

Question 4.

Answer:

Explanation:

The missing numbers are 20 and 40.

After 10 it is 20 that is 10 + 10 = 20.

After 30 it is 40 that is 30 + 10 = 40

Question 5.

Answer:

Explanation:

The missing numbers is 60

After 50 it is 60 that is 50 + 10 = 60.

**Directions:** 4-5. Count by 10s. Use a hundred chart to find the missing numbers. Write the missing numbers.

**Problem Solving**

Answer:

Explanation:

Starting from 0 connect the dots by 10 that is 0 to 10, 10 to 20 , 20 to 30, 30 to 40,

40 to 50, 50 to 60, 60 to 70, 70 to 80, 80 to 90, 90 to 100.

It makes square shape easel.

**Directions:** Start at 0. Count by tens to connect the dots. Say the numbers. Draw a picture on the easel.

### McGraw Hill My Math Kindergarten Chapter 3 Lesson 10 My Homework Answer Key

Question 1.

Answer:

Explanation:

Counting from 10 , 10 + 10 = 20

20 + 10 = 30

There are total 10 + 20 + 30 = 60

Question 2.

Answer:

Explanation:

Counting from 10 , 40 + 10 = 50

50 + 10 = 60

There are total 40 + 50 + 60 = 150

Question 3.

Answer:

Explanation:

Counting from 10 , 70 + 10 = 80

80 + 10 = 90

There are total 70 + 80 + 90 = 240

**Directions:** 1-3. Continue counting by 10s. Write how many objects are in all.

Question 4.

Answer:

Explanation:

Counting from 10 , 10 + 10 = 20

20 + 10 = 30

There are total 10 + 20 + 30 = 60

Question 5.

Answer:

Explanation:

Counting from 10 , 40 + 10 = 50

50 + 10 = 60

There are total 40 + 50 + 60 = 150

Question 6.

Answer:

Explanation:

Counting from 10 , 70 + 10 = 80

80 + 10 = 90

There are total 70 + 80 + 90 = 240

**Directions:** 4-6. Continue counting by 10s. Write how many objects in all.

**Math at Home** Help your child make ten groups of 10 using cereal. Have him or her count to 100 by tens.

**Fluency Practice**

Answer:

**Fluency Practice**

Answer:

**Directions:** Trace and write each number on the line.