# Into Math Grade 1 Module 1 Lesson 2 Answer Key Count On

We included HMH Into Math Grade 1 Answer Key PDF Module 1 Lesson 2 Count On to make students experts in learning maths.

## HMH Into Math Grade 1 Module 1 Lesson 2 Answer Key Count On

I Can Count on to add.

Ella has 3 fish in a tank. Her friend gives her 8 more fish. How many fish does she have now?
How can you count to solve the problem?

Explanation:
Ella has 3 fish in a tank
Her friend gives her 8 more fish
8 + 3 = 11
So, Ella has 11 fishes now.

Read the problem to children. Have pairs choose a tool and work together to show and solve the problem.

Build Understanding

Evan picks 9 red apples and 3 green apples.

How many apples does he pick?
A. How can you count on to solve the problem?

B. How can you write an equation to model the problem?
___ + ___ = ___

Explanation:
Evan picks 9 red apples and 3 green apples
9 + 3 = 12
Therefore, Evan picked 12 apples in all.

Connect to Vocabulary
count on
4 + 2 = 6
Say 4.
Count on 2 more.
5, 6
C. Evan picks __ apples

Turn and Talk How is counting on similar to counting all? How is it different?

A. How can you count on to solve the problem?

B. How can you write an equation to model the problem?
___ + ___ = ___

Explanation:
2 + 5 = 7

Turn and Talk Is it faster to start with 2 and count on 5 more or start with 5 on count on 2 more? Explain.
It is faster to start with 5 and count on 2 more as 2 is small number than 5.

Step It Out

1. Add 7 + 3. Use the number line to count on.

A. What number do you start on? ____
B. How many jumps do you make? ____
C. Write the sum.
7 + 3 = ____

Explanation:
I started on 7
7 + 3 = 10
So, The sum is 10.

Check Understanding Math Board

Question 1.
Nate has 5 toy trucks. Ali has 2 toy trucks. How many toy trucks do they have?
Draw the jumps on the number line.

5 + 2 = ___
They have ___ trucks.

Explanation:
Nate has 5 toy trucks
Ali has 2 toy trucks
5 + 2 = 7
They have 7 trucks.

Question 2.
2 + 8 = ____

Explanation:
2 + 8 = 10
The sum of 2 and 8 is 10.

Question 3.
3 + 9 = ___

Explanation:
3 + 9 = 12
The sum of 3 and 9 is 12.

Question 4.
8 + 1 = ___

Explanation:
8 + 1= 9
The sum of 8 and 1 is 9.

Question 5.
Construct Arguments Tom counts on to add 3 + 8. Explain why he should start at 8.
He should start at 8 as the number is big and then we need to count on 3
If we take 3 and count on 8 it would take more time.

Question 6.
Model with Mathematics Henry sees 9 birds. Then he sees 2 more birds. Write an equation to show how many birds he sees.
___ + ___ = ____

Henry sees ___ birds.
9 + 2 = 11
Henry sees 11 birds

Explanation:
Henry sees 9 birds
Then he sees 2 more birds
9 + 2 = 11
So, Henry sees 11 birds.

Question 7.
Use Tools Ty has 3 hats. His brother gives him 5 more hats. How many hats does Ty have now? Draw jumps on the number line to count on.

Ty has ___ hats.

Explanation:
Ty has 3 hats
His brother gives him 5 more hats
I drew 3 jumps on the number line
5 + 3 = 8
Therefore, Ty has 8 hats.

Question 8.
9 + 3 = ___

Explanation:
9 + 3 = 12
The sum of 9 and 3 is 12.

Question 9.
5 + 0 = __
5

Explanation:
As 0 has no value if we add 0 to 5
5 + 0 = 5.

Question 10.
1 + 7 = ___

Explanation:
I made 1 jump after 7, the number is 8
1 + 7 = 8
The sum of 1 and 7 is 8.

Question 11.
Raymond has 6 toy cars at home. He has 1 toy car at school. How many toy cars does he have?
Raymond has ___ toy cars.

7 toy cars

Explanation:
Raymond has 6 toy cars at home
He has 1 toy car at school
Count forward by 1’s 1 time
6 after 7
So, 6 + 1 = 7
Therefore, Raymond has 7 toy cars.

Question 12.
Construct Arguments Isla finds 6 worms. James finds 2 worms. How many worms do they find?
Explain how you can count on to solve.
8 worms

Explanation:
Isla finds 6 worms
James finds 2 worms
Count forward by 1’s 2 times
6 after 7, 8
So, 6 + 2 = 8
Therefore, they found 8 worms.

Question 13.
__ = 8 + 3

Explanation:
8 + 3 = 11
The sum of 8 and 3 is 11.

Question 14.
___ = 2 + 7

Explanation:
2 + 7 = 9
The sum of 2 and 7 is 9.

Question 15.
___ = 1 + 9

Explanation:
1 + 9 = 10
The sum of 1 and 9 is 10.

I’m in a Learning Mindset!

What do I do when I do not know what to do?
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