We included **HMH Into Math Grade 2 Answer Key PDF** **Module 12 Review **to make students experts in learning maths.

## HMH Into Math Grade 2 Module 12 Review Answer Key

**Vocabulary**

Question 1.

Draw a picture to show what the word regroup means.

Answer:

Regrouping is a process of making groups of tens when carrying out operations like addition or subtracting with 2-digit numbers.

**Concepts and Skills**

**Solve. Regroup if you need to.**

Question 2.

There are 36 blue chairs and 49 red chairs in the cafeteria. How many chairs are there?

________ chairs

Answer:

Given,

There are 36 blue chairs and 49 red chairs in the cafeteria.

36 + 49 = 85

**Fill in the bubble next to the correct answer.**

Question 3.

For which problem will you need to regroup 10 ones as 1 ten?

Answer:

16 + 78 = 94 need to regroup 10 one as 1 ten.

Question 4.

For which problem will you need to regroup 1 ten as 10 ones?

Answer:

54 – 38 = 16 need to regroup 1 ten as 10 ones.

Question 5.

Add 73 and 17. Regroup if you need to.

Answer:

73 + 17 need to regroup 10 one as 1 ten.

Question 6.

Subtract 31 from 82. Regroup if you need to.

Answer:

Subtract 31 from 82 we get 51.

There is no need to regroup 1 ten as 10 ones

Question 7.

Complete the sentences to explain the addition you did in Problem 5.

I regrouped 3 ones and 7 ones as ______ ten ________ ones.

Then I added the tens:

1 ten + 7 tens + 1 ten = ________tens

9 tens 0 ones = ________

Answer:

I regrouped 3 ones and 7 ones as 1 ten 0 ones.

Then I added the tens:

1 ten + 7 tens + 1 ten = 9 tens

9 tens 0 ones = 90