We included HMH Into Math Grade 2 Answer Key PDF Module 17 Three-Digit Subtraction to make students experts in learning maths.
HMH Into Math Grade 2 Module 17 Answer Key Three-Digit Subtraction
Which One Is it?
Circle the visual model that represents the subtraction 43 – 18.
What is the difference?
43 – 18 = ____________
Answer:
Explanation:
The difference of 43 and 18 is 25
We cannot subtract 8 from 3 so, regrouped the 3 as 13
13 – 8 = 5
4 tens becomes the 3 tens
3 tens – 1 ten = 2 tens.
Turn and Talk
When you regroup 1 ten in subtraction, what happens to the number of ones?
Answer:
1 ten = 10 ones
When we cannot subtract the number we regroup it.
Are You Ready?
Complete these problems to review prior concepts and skills you will need for this module.
Represent Subtracting Tens
Use 
. Find the difference.
Question 1.
3 tens – 1 ten = _________ tens
30 – 10 = __________
Answer:
3 tens – 1 ten = 2 tens
30 – 10 = 20
Explanation:
1 stick of cube represents as 10 cubes
3 x 10 = 30
from that 10 are crossed out.
30 – 10 = 20
Hundreds, Tens, and Ones
Write how many hundreds, tens, and ones. Write the number.
Question 2.
__________ hundreds __________tens __________ ones __________
Answer:
1 hundreds 7 tens 3 ones
Explanation:
173
The above blocks shows 173
A complete square is 100 and a stick is 10 and the dot represent as 1
Represent Subtraction with Two-Digit and One-Digit Numbers
Use 
to subtract. Write how many tens and ones. Write the difference.
Question 3.
Subtract 6 from 53.
__________ tens __________ ones __________
Answer:
4 tens 7 ones
53 – 6 = 47
Explanation:
We have to regroup 1 ten as 10 ones
so, then it becomes 4 tens and 13 ones
13 – 6 = 7
4 tens and 7 ones= 47.