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

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.

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?

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?

__________ + __________

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

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.
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?
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.

_________ + ________

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

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

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
_________
18

Explanation:
The above picture represents
10 + 8
1 ten 8 ones
18
The number that the picture represents is 18.

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

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
_________
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
_________
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?