All the solutions provided in **McGraw Hill My Math Grade 2 Answer Key PDF Chapter 1 Check My Progress** will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 2 Chapter 1 Check My Progress Answer Key

**Check My Progress Page No. 47-48**

**Vocabulary Check**

**Draw lines to match.**

Explanation:

**Concept Check**

**Find each sum.**

Question 5.

7 + 0 = ____

0 + 7 = ____

Answer:

7 + 0 = 7

0 + 7 = 7

Explanation:

You can add numbers in any order.

The sum is the same.

This is the Commutative Property.

Question 6.

3 + 6 = ___

6 + 3 = ____

Answer:

3 + 6 = 9

6 + 3 = 9

Explanation:

You can add numbers in any order.

The sum is the same.

This is the Commutative Property.

Question 7.

2 + 5 = ____

5 + 2 = ____

Answer:

2 + 5 = 7

5 + 2 = 7

Explanation:

You can add numbers in any order.

The sum is the same.

This is the Commutative Property.

**Add. Circle the doubles facts.**

Question 8.

Answer:

Explanation:

The sum of 0 and 3 is 7

0 + 3 = 7

Question 9.

Answer:

Explanation:

The sum of 1 and 1 is 2

1 + 1 = 2

Question 10.

Answer:

Explanation:

The sum of 3 and 4 is 7

3 + 4 = 7

Question 11.

Answer:

Explanation:

The sum of 9 and 9 is 18

9 + 9 = 18

**Make a ten to add.**

Question 12.

Answer:

Explanation:

The sum of 4 and 8 is 12

8 + 4 = 12

Question 13.

Answer:

Explanation:

The sum of 9 and 5 is 14

9 + 5 = 14

Question 14.

Answer:

Explanation:

The sum of 7 and 6 is 13

7 + 6 = 13

Question 15.

Answer:

Explanation:

The sum of 6 and 8 is 14

6 + 8 = 14

**Find each sum.**

Question 16.

Answer:

Explanation:

The sum of 1 and 4 is 5

5 and 6 is 11

Question 17.

Answer:

Explanation:

The sum of 5 and 2 is 7

7 and 8 is 15

Question 18.

Answer:

Explanation:

The sum of 7 and 1 is 8

8 + 2 = 10

Question 19.

Answer:

Explanation:

The sum of 8 and 8 is 16

16 + 2 = 18

Question 20.

Lou saw 6 penguins at the zoo. He also saw 3 flamingos and 2 pelicans. How many birds did he see in all?

____ birds

Answer:

11 birds

Explanation:

Lou saw 6 penguins at the zoo.

He also saw 3 flamingos

6 + 3 = 9

and 2 pelicans.

9 + 2 = 11

total 11 birds in all.

**Test Practice**

Question 21.

Ali’s dog had 8 puppies. Luca’s dog had the same number of puppies. How many puppies are there in all?

(A) 8

(B) 16

(C) 18

(D) 88

Answer:

B

Explanation:

Ali’s dog had 8 puppies.

Luca’s dog had the same number of puppies.

8 + 8 = 16