We included **HMH Into Math Grade 4 Answer Key**** PDF** **Module 1 Lesson 3 Regroup and Rename Numbers** to make students experts in learning maths.

## HMH Into Math Grade 4 Module 1 Lesson 3 Answer Key Regroup and Rename Numbers

I Can Regroup the hundreds as tens. Write the unknown numbers.

**Spark Your Learning**

There are about 18,500 known species of butterflies in the world.

**Show how you can regroup and rename the number 18,500 in five different ways.**

**Turn and Talk** Why can you regroup and rename 18,500 in another way?

Explanation:

Renaming and regrouping of 18500

**Build Understanding**

1. The North American Butterfly Association runs about 450 Butterfly Counts. Each year, volunteers count all of the butterflies observed within a 15-mile count circle in a one-day period. For this year’s count, Dr. Fiona ordered 1,700 pencils.

**Show 1,700 using a large cube and flats. Then draw a quick picture to show your work.**

A. What is another name for 1,700 using Connect to thousands and hundreds?

Explanation:

1700 is also said as 17 hundreds

**Connect to Vocabulary**

When you regroup a number, you exchange amounts of equal value to rename a number.

B. If you regroup the thousands cube as flats, how many flats would you need?

Explanation:

10 flats we need because

1 thousand = 10 hundreds

C. How many flats do you need to rename 1,700 as hundreds?

Explanation:

17 hundreds we need to rename the 1700.

D. How can you rename 1,700 as hundreds?

Explanation:

we can rename 1700 as 17 hundreds

**Turn and Talk** Why do the two names represent the same number, 1,700?

Explanation:

1700 can also written as 1700 ones and 17 hundreds.

**Step It Out**

2. Dr. Fiona also needs 100,000 recording sheets for the Butterfly Count. How can you use a

place-value chart to regroup and rename 100,000?

A. Write 100,000 in the place-value chart.

B. Use the place-value chart to help you regroup and butterfly rename the number in each place-value position.

Explanation:

**Turn and Talk** What do you notice about the value of each position as you move left on the place-value chart?

Explanation:

The value increases of each position as you move left on the place-value chart.

**Check Understanding Math Board**

**Use the place-value chart to help you regroup and rename the number.**

Question 1.

23 ten thousands = ___ hundreds

Answer:

Explanation:

23 ten thousands = 2300 hundreds

Question 2.

23 ten thousands = ___ thousands

Answer:

23 ten thousands = 230 thousands

Explanation:

23 ten thousands is also written as 230 thousands

Question 3.

23 ten thousands = ___ tens

Answer:

23 ten thousands = 23 thousand tens

Explanation:

23 ten thousands is also written as 23 thousand tens

**On Your Own**

Question 4.

Jenna used base-ten blocks to show that 2,400 people went to a swim meet. How can you regroup and rename 2,400?

2,400 = ____ hundreds

Answer:

2,400 = 24 hundreds

Explanation:

2400 = 2000 + 400 regrouping

Question 5.

**Open Ended** Adrian split up Jenna’s base-ten blocks to show half the number of people that went to the swim meet. How can you regroup and rename half of 2,400?

___________________

Answer:

Half of 2400 is 1200.

Explanation:

cube represents the thousand and flat represent the 100

**Regroup and rename the number 520,000. Use the place-value chart to help.**

Explanation:

Question 6.

560,000 = 560____

Answer:

560,000 = 560 thousands

Explanation:

Renaming the number.

**Regroup and rename the number.**

Question 7.

490 = ____

Answer:

490 = 49 tens

Explanation:

Regrouping and renaming the number 490

49 tens and 400 + 90

Question 8.

560,000 = 56 ____

Answer:

560,000 = 56 ten thousands

Explanation:

The number 560,000 is written as five hundred sixty thousand.

Question 9.

**Attend to Precision** Students at a school collected 11,000 cans of food for the community food pantry. They can pack the cans in boxes of 100 to take them to the pantry. How many boxes will

they need to pack all of the cans? ___________________

Answer:

110 cans they can fill in one box.

Explanation:

11000 is shared among 100 boxes

11000 ÷ 100 = 110

So each box contains 110 cans

**I’m in a Learning Mindset!**

What challenges do I face when regrouping and renaming numbers?

___________________________________

___________________________________

Explanation:

When I regroup or rename the number the value of the number should not change.