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