We included **HMH Into Math Grade 1 Answer Key PDF** **Module 13 Lesson 3 Understand and Explain Place Value Subtraction **to make students experts in learning maths.

## HMH Into Math Grade 1 Module 13 Lesson 3 Answer Key Understand and Explain Place Value Subtraction

I Can use place value to subtract tens.

**Spark Your Learning**

How can you represent tens to solve the problem?

Equation: ___________

Zia has _________ acorns now.

Read the following: Zia has 50 acorns. She gives 20 to Nate. How many acorns does Zia have now? Allow children to choose tools. Have children draw to show what they did and write an equation to solve.

Answer:

Explanation:

Zia has 50 acorns

She gives 20 to Nate

I drew 5 tens and took away 2 tens

3 tens are left

50 – 20 = 30

So, Zia has 30 acorns now.

**Build Understanding**

Hallie picks 90 apples. She gives away 40 apples. How many apples does she have now?

Use tools to solve the problem. How can you use tens and ones to show your work?

Hallie has ________ apples now.

Answer:

Explanation:

Hallie picks 90 apples

She gives away 40 apples

I drew 9 tens and took away 4 tens

4 tens are left

90 – 40 = 50

So, Hallie has 50 apples now.

**Turn and Talk** How can you use tens and ones to solve a subtraction problem? Explain the steps you used to subtract 90 – 40.

Answer:

**Step It Out**

Question 1.

Use tens and ones to subtract.

A. Draw to show 50.

THINK: 5 tens 0 ones

Answer:

B. Subtract 20.

THINK: Take 2 tens away.

Answer:

C. Subtract the tens and ones.

Answer:

D. Solve.

Answer:

Explanation:

The numbers are 50 and 20

I drew 5 tens and took away 2 tens

3 tens are left

50 – 20 = 30

So, i used tens to subtract 20 from 50.

**Check Understanding**

**Use tens to subtract.**

Question 1.

Addie has5O beads. She gives 30 to her friend. How many beads does Addie have now?

_________ beads

Answer:

Explanation:

Addie has 50 beads. She gives 30 to her friend

I drew 5 tens and took away 3 tens

2 tens are left

50 – 30 = 20

So, Addie have 20 beads now.

**On Your Own**

**Reason Use tens to subtract.**

Question 2.

There are 40 children in the gym. There are 30 children in the library. How many more children are in the gym than in the library?

There are ________ more children in the gym than in the library.

Answer:

Explanation:

There are 40 children in the gym

There are 30 children in the library

I drew 4 tens and took away 3 tens

3 tens are left

40 – 30 = 10

So, there are 10 more children in the gym than in the library.

Question 3.

There are 60 children on a school bus. Then 10 children get off the school bus. How can you find how many children are still on the school bus? Explain your reasoning.

Answer:

Explanation:

There are 60 children on a school bus

Then 10 children get off the school bus

I drew 6 tens and took away 1 tens

5 tens are left

60 – 10 = 50

So, there are 50 children left in the bus.

**I’m in a Learning Mindset!**

What helps me go from one learning activity to a different one?

Answer: