We included **HMH Into Math Grade 1 Answer Key PDF** **Module 9 Lesson 2 Understand Ten and Ones **to make students experts in learning maths.

## HMH Into Math Grade 1 Module 9 Lesson 2 Answer Key Understand Ten and Ones

I Can write to represent a number from 11 to 19 as ten and ones in three different ways.

**Spark Your Learning**

How can you show the number of bugs?

___________ bugs

Present this scenario to children. Paul sees 10 bugs. Have children draw a group to represent the bugs Paul sees. Then ask children to choose a number from 1 to 9. Have them draw a group to represent that many more bugs. How many bugs are there now?

Answer:

Explanation:

Paul sees 10 bugs

I drew a ten bar to represent 1 ten

i chose the number 3

I drew 3 cubes to show 3 bugs

So, there are 13 bugs in all.

**Build Understanding**

Question 1.

Natasha has 14 apples. She wants to show her number of apples in different ways.

A. How can you show 14 as 10 ones and some more ones?

__________ + __________

Answer:

Explanation:

Natasha has 14 apples

I drew counters to show the number 14 as ones.

14 = 10 ones and 4 ones.

B. How can you show 14 as 1 ten and ones?

________ ten _______ ones

Answer:

Explanation:

Natasha has 14 apples

I drew 1 tens cube and 4 cubes to show the number 14 as 1 ten and 4 ones

14 = 1 ten 4 ones.

Connect to Vocabulary

C. What do the digits in the number 14 mean?

The 1 in 14 means _________ ten.

The 4 in 14 means _________ ones.

Answer:

The 1 in 14 means 1 ten.

The 4 in 14 means 4 ones.

**Turn and Talk** How do your drawings represent the digits in the number 14?

Answer:

In my drawings the tens digit is shown in tens bar and ones digit is shown as single cubes.

**Step It Out**

Question 1.

Dey has 10 pears. Yuki has 5 pears. How many pears do they have?

________ pears

Show the problem two ways.

_________ + ________

Answer:

Explanation:

Dey has 10 pears. Yuki has 5 pears

I drew counters to show the number 15 as ones.

15 = 10 ones and 5 ones.

________ ten _________ ones

Answer:

Explanation:

Dey has 10 pears. Yuki has 5 pears

I drew 1 tens cube and 5 cubes to show the number 15 as 1 ten and 5 ones

15 = 1 ten 5 ones.

**Check Understanding**

**Write the number three ways to solve.**

Question 1.

Ned sees 10 birds in a tree. He sees 1 bird in a bush. How many birds does Ned see?

_________ + ________

________ ten _________ ones

_________ birds

Answer:

Explanation:

Ned sees 10 birds in a tree

He sees 1 bird in a bush

I drew counters to show the number of birds

10 + 1 = 11

1 ten 1 ones

11 birds

So, Ned sees 11 birds.

Question 2.

_________ + ________

________ ten _________ ones

_________

Answer:

18

Explanation:

The above picture represents

10 + 8

1 ten 8 ones

18

The number that the picture represents is 18.

**On Your Own**

**Write the number three ways to solve.**

Question 3.

**Use Structure** Lexi has 10 sports cards. She gets 6 more sports cards. How many cards does Lexi have now? Draw to show your thinking.

_________ + ________

________ ten _________ ones

_________ sports cards

Answer:

Explanation:

I drew counters to show

Lexi has 10 sports cards

She gets 6 more sports cards

10 + 6

1 ten 6 ones

Lexi have 16 sports cards.

Question 4.

_________ + ________

________ ten _________ ones

_________

Answer:

13

Explanation:

The above picture represents

10 + 3

1 ten 3 ones

13

The number that the picture represents is 13.

Question 5.

_________ + ________

________ ten _________ ones

_________

Answer:

17

Explanation:

The above picture represents

10 + 7

1 ten 7 ones

17

The number that the picture represents is 17.

**I’m in a Learning Mindset!**

How does understanding tens and ones challenge me?

Answer: