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.