We included **HMH Into Math Grade 2 Answer Key PDF** **Module 17 Lesson 3 Subtract Three-Digit Numbers** to make students experts in learning maths.

## HMH Into Math Grade 2 Module 17 Lesson 3 Answer Key Subtract Three-Digit Numbers

I Can regroup hundreds and tens to subtract three-digit numbers.

**Spark Your Learning**

How many light bulbs does Mr. Li have now?

____________ light bulbs

Mr. Li owns a lighting store. On Monday, he receives a package with 625 light bulbs. He sells 248 light bulbs. How many light bulbs does Mr. Li have now? Use tools and show how to solve this problem. Draw to show what you did.

Answer:

377 light bulbs

On Monday, he receives a package with 625 light bulbs.

He sells 248 light bulbs

625 – 248 = 377

377 light bulbs that Mr. Li have now

**Build Understanding**

Jameela has 623 pennies. Calvin has 478 pennies. How many more pennies does Jameela have than Calvin?

A. Make a concrete model to represent Jameela’s pennies. Draw a visual model to show your work.

Answer:

B. How can you subtract Calvin’s 478 pennies? Use your visual model to work out the subtraction. Do you need to regroup?

Answer:

yes, we need to regroup.

C.Record your regrouping.

Answer:

D. Solve. Jameela has _________ more pennies.

Answer:

Jameela has 145 more pennies.

Explanation:

Jameela has 623 pennies.

Calvin has 478 pennies.

623 – 478 = 145

145 more pennies that Jameela have than Calvin.

**Turn and Talk** What does it mean to regroup twice in subtraction?

Answer:

Converting tens to ones and hundred to tens.

**Step It Out**

Question 1.

331 – 175 = ________

A. Draw a visual model to show how to find the difference. If you regroup, show it in your work.

Answer:

331 – 175 = 156

B. Solve.

Answer:

**Check Understanding**

Question 1.

Mrs. Peters buys o pock of 750 craft sticks to use in her art classes. Her students use 385 craft sticks for their projects. How many craft sticks ore left? Solve.

__________ craft sticks

Answer:

Explanation:

365 craft sticks

Mrs. Peters buys o pock of 750 craft sticks to use in her art classes.

Her students use 385 craft sticks for their projects.

750 – 385 = 365

**On Your Own**

Question 2.

Use Structure Mr. Scott buys 452 cherries and 259 blueberries. How many more cherries than blueberries does Mr. Scott buy? Solve.

Mr. Scott buys ________ more cherries.

Explain if you need to regroup to solve this problem.

Answer:

Explanation:

We need to regroup

we cannot subtract 9 from 2 so, regrouped as 12

and we cannot subtract 5 from 4 so, regrouped as 141

Mr. Scott buys 452 cherries and 259 blueberries.

452 – 259 = 193

Mr. Scott buys 193 more cherries.

**Subtract.**

Question 3.

Answer:

Explanation:

The difference of 451 and 262 is 189

451 – 262 = 189.

Question 4.

Answer:

Explanation:

The difference of 673 and 249 is 424

673 – 249 = 424

**I’m in a Learning Mindset!**

How do I know when I’m being a successful learner?

Answer:

They are always Curious to learn anything new, They are extremely Dedicated, They are Intense Hard Worker