All the solutions provided in **McGraw Hill My Math Grade 2 Answer Key PDF Chapter 4 Check My Progress** will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 2 Chapter 4 Check My Progress Answer Key

**Check My Progress Page No. 247-248**

**Vocabulary Check**

**Complete the sentence.**

fact family regroup

Question 1.

The numbers 3, 5, and 8 make up a ______

Answer:

fact family

Explanation:

The numbers 3, 5, and 8 make up a fact family

**Concept Check**

**Complete the fact family.**

Question 2.

_____ + ____ = _____ _____ – ____ = _____

_____ + ____ = _____ _____ – ____ = _____

Answer:

7 + 12 = 19 19 – 12 = 7

12 + 7 = 19 19 – 7 = 12

Explanation:

let us consider the numbers 7,12 and 19 in the fact family

7 + 12 = 19 19 – 12 = 7

12 + 7 = 19 19 – 7 = 12

**Take apart a number to make a ten. Then subtract.**

Question 3.

Answer:

Explanation:

To make ten the number is divided into 2 parts

as the subtraction makes easy.

Question 4.

Answer:

Explanation:

To make ten the number is divided into 2 parts

as the subtraction makes easy.

**Subtract.**

Question 5.

Answer:

Explanation:

Regrouping of ones place as tens

we cannot subtract a bigger number from a smaller number

Question 6.

Answer:

Explanation:

Regrouping of ones place as tens

we cannot subtract a bigger number from a smaller number

Question 7.

Answer:

Explanation:

Regrouping of ones place as tens

we cannot subtract a bigger number from a smaller number

Question 8.

Answer:

Explanation:

Regrouping of ones place as tens

we cannot subtract a bigger number from a smaller number

Question 9.

Answer:

Explanation:

Regrouping of ones place as tens

we cannot subtract a bigger number from a smaller number

Question 10.

Answer:

Explanation:

Regrouping of ones place as tens

we cannot subtract a bigger number from a smaller number

Question 11.

There are 35 robins in a park. 14 of them fly away. How many robins are left in the park?

____ robins

Answer:

21 robins

Explanation:

There are 35 robins in a park.

14 of them fly away.

35 – 14 = 21

21 robins are left in the park.

**Test Practice**

Question 12.

Yesterday, there were 77 tulips blooming in the garden. Today, 8 of them have wilted. How many tulips are still blooming?

(A) 69

(B) 78

(C) 79

(D) 85

Answer:

A

Explanation:

there were 77 tulips blooming in the garden.

8 of them have wilted.

77 – 8 = 69

69 tulips are still blooming