All the solutions provided in **McGraw Hill My Math Grade 1 Answer Key PDF** **Chapter 1 Review **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 1 Chapter 1 Review Answer Key

**Vocabulary Check**

**Complete each sentence.**

add part sum whole

Question 1.

Joining two parts together makes a ______

Answer:

Whole

Explanation:

Joining two parts together makes a whole

Question 2.

A ____ is one of the groups that are joined when adding.

Answer:

part

Explanation:

A part is one of the groups that are joined when adding.

Question 3.

When you ____ two numbers together, you come up with the sum.

Answer:

Add

Explanation:

When you add two numbers together, you come up with the sum.

Question 4.

The answer in an addition number sentence is called the ____.

Answer:

Sum

Explanation:

The answer in an addition number sentence is called the sum

**Concept Check**

**Write the addition number sentence.**

Question 5.

Answer:

Explanation:

The sum of 7 and 2 is 9

there are 9 broccolis in all.

Question 6.

Answer:

3 + 3 = 6

Explanation:

The sum of 3 and 3 makes 6

3 green capsicum and 3 red capsicum

3 + 3 = 6 capsicum.

**Add.**

Question 7.

1 + 6 = ____

Answer:

7

Explanation:

1 + 6 = 7

The sum of 1 and 6 is 7

Question 8.

8 + 0 = ____

Answer:

8

Explanation:

The sum of 8 and 0 is 8

8 + 0 = 8

Question 9.

3 + 2 = ____

Answer:

5

Explanation:

The sum of 3 and 2 is 5

3 + 2 = 5

Question 10.

4 + 4 = ____

Answer:

8

Explanation:

The sum of 4 and 4 is 8

4 + 4 = 8

Question 11.

Answer:

Explanation:

The sum of 4 and 0 is 4

4 + 0 = 4

when we add zero to a number the number remains the same.

Question 12.

Answer:

Explanation:

The sum of 3 and 1 is 4

3 + 1 = 4

Question 13.

Answer:

Explanation:

The sum of 5 and 4 is 9

5 + 4 = 9

Question 14.

Answer:

Explanation:

The sum of 2 and 6 is 8

2 + 6 = 8

**Show a way to make the sum. Color the Write the numbers.**

Question 15.

_____ + ____ = 6

Answer:

3 + 3 = 6

Explanation:

The sum of 3 and 3 is 6

3 + 3 = 6

Question 16.

_____ + ____ = 5

Answer:

3 + 2 = 5

Explanation:

The sum of 3 and 2 is 5

3 + 2 = 5

**Find the missing part often. Write the number.**

Question 17.

Answer:

Explanation:

The sum of 3 and 7is 10

3 + 7 = 10

Question 18.

Answer:

Explanation:

The sum of 9 and 1 is 10

9 + 1 = 10

**Problem Solving**

Question 19.

Liliana finds 3 twigs. Enrique finds 2 twigs. How many twigs do they find in all?

____ + ____ = ____ twigs

Answer:

3 + 2 = 5

Explanation:

Liliana finds 3 twigs.

Enrique finds 2 twigs.

3 + 2 = 5

5 twigs they find in all.

**Determine if the statement is true or false. Circle true or false.**

Question 20.

There are 3 bears yawning. 4 more bears begin yawning. There are 8 bears yawning in all.

true false

Answer:

False.

Explanation:

There are 3 bears yawning.

4 more bears begin yawning.

There are 8 bears yawning in all.

4 + 3 = 7

so, the statement is false.

**Test Practice**

Question 21.

Miranda sees 6 stars in the sky. Madison sees 3 stars in the sky. How many stars do they see in all?

(A) 2 stars

(B) 3 stars

(C) 9 stars

(D) 10 stars

Answer:

9 stars.

Explanation:

Miranda sees 6 stars in the sky.

Madison sees 3 stars in the sky.

6 + 3 = 9

9 stars that they see in all.

**Reflect**

**Shows the ways to answer.**

Explanation: