We included **H****MH 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.

**Spark Your Learning**

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?

Answer:

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?

Answer:

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?

Jade reads 2 books about cats and 5 books about dogs. How many books does she read?

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

Answer:

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

___ + ___ = ___

C. Jade reads ___ books.

Explanation:

Jade reads 2 books about cats and 5 books about dogs

2 + 5 = 7

So, jade reads 7 books.

**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.

Answer:

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

I made 3 jumps

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?

Count on to add.

Draw the jumps on the number line.

5 + 2 = ___

They have ___ trucks.

Answer:

Explanation:

Nate has 5 toy trucks

Ali has 2 toy trucks

I counted on to add

5 + 2 = 7

They have 7 trucks.

**Count on to add.**

Question 2.

2 + 8 = ____

Answer:

Explanation:

2 + 8 = 10

The sum of 2 and 8 is 10.

Question 3.

3 + 9 = ___

Answer:

Explanation:

3 + 9 = 12

The sum of 3 and 9 is 12.

Question 4.

8 + 1 = ___

Answer:

Explanation:

8 + 1= 9

The sum of 8 and 1 is 9.

**On Your Own**

**Count on to add.**

Question 5.

**Construct Arguments** Tom counts on to add 3 + 8. Explain why he should start at 8.

Answer:

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.

Answer:

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.

Answer:

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 = ___

Answer:

Explanation:

9 + 3 = 12

The sum of 9 and 3 is 12.

Question 9.

5 + 0 = __

Answer:

5

Explanation:

As 0 has no value if we add 0 to 5

The answer is 5

5 + 0 = 5.

Question 10.

1 + 7 = ___

Answer:

Explanation:

I made 1 jump after 7, the number is 8

1 + 7 = 8

The sum of 1 and 7 is 8.

**On Your Own**

**Count on to add.**

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.

Answer:

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.

Answer:

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.

**Add. Write the sum.**

Question 13.

__ = 8 + 3

Answer:

Explanation:

8 + 3 = 11

The sum of 8 and 3 is 11.

Question 14.

___ = 2 + 7

Answer:

Explanation:

2 + 7 = 9

The sum of 2 and 7 is 9.

Question 15.

___ = 1 + 9

Answer:

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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