We included **HMH Into Math Grade 2 Answer Key PDF** **Module 4 Lesson 1 Group Tens as Hundreds** to make students experts in learning maths.

## HMH Into Math Grade 2 Module 4 Lesson 1 Answer Key Group Tens as Hundreds

I Can group tens as hundreds and write a number as tens and hundreds.

**Spark Your Learning**

How many cartons will Eric need for 100 eggs? How can you represent the eggs in each carton?

Answer:

Read the following: Eric helps his dad on the farm. He puts the eggs from the chickens in cartons. There are 10 eggs in each carton. The drawing shows how many cartons Eric needs for 80 eggs. Draw to show how many more cartons he needs if there are 100 eggs.

**Build Understanding**

There are 10 cartons of eggs in 1 box. Each carton has 10 eggs. If Eric has 30 cartons of eggs, how many boxes can he fill?

A. What do you need to find?

Answer:

I need to find the number of boxes that can hold 30 cartons of eggs.

B. How can you circle tens to make hundreds?

Answer:

C. How can you write the number three ways?

___ tens

___ hundreds

______

Answer:

30 tens

3 hundreds

300.

D. Solve.

Eric can fill ___ boxes with 30 cartons of eggs.

Answer:

Eric can fill 3 boxes with 30 cartons of eggs.

Explanation:

If 10 cartons of eggs make 1 box then 30 cartons of eggs make 3 boxes.

**Turn and Talk** Why is grouping tens to make a hundred like grouping ones to make a ten?

Mr. Adar is putting books on the library shelves. 10 books fit on each shelf. He fills 10 shelves. How many books does he put on the shelves?

A. What do you need to find? __________

________________________

Answer:

I need to find the number of books Mr. Adar put on the shelves.

B. Draw to show the problem. Circle tens to make 1 hundred.

Answer:

C. Write the number of books three ways.

____ tens

____ hundred

_______

Answer:

10 tens

1 hundred

100.

D. Solve. Mr. Adar puts ___ books on the shelves.

Answer:

Mr. Adar puts 100 books on the shelves

Explanation:

Mr. Adar is putting books on the library shelves.

10 books fit on each shelf. He fills 10 shelves.

10 tens is 1 hundreds.

**Check Understanding Math Board**

Question 1.

A Use a concrete model to solve the problem. Amala puts carrots in bags. Each bag has 10 carrots. Amala makes 20 bags. How many carrots does she use? ____ carrots

Answer:

200 carrots

Explanation:

Amala puts carrots in bags. Each bag has 10 carrots.

Amala makes 20 bags

20bags x 10carrots

20 tens is 2 hundreds.

**On Your Own**

Question 2.

Use Repeated Reasoning A store has 20 boxes of color pencils. There are 10 color pencils in each box. How many color pencils are in the boxes? Use the visual model to solve the problem. Circle the blocks that show 1 hundred.

There are ___ color pencils in the boxes.

Answer:

Explanation:

A store has 20 boxes of color pencils. There are 10 color pencils in each box

20 tens is 2 hundred

There are 200 color pencils in the boxes.

Question 3.

Circle tens to make hundreds. Write the number three ways.

____ tens

_____ hundreds

_______

Answer:

Explanation:

40 tens

4 hundreds

400.

**I’m in a Learning Mindset!**

What makes me excited to learn something new?

__________________________________

__________________________________