We included **H****MH Into Math Grade 1 Answer Key**** PDF** **Module 3 Lesson 7 Develop Fluency in Addition** to make students experts in learning maths.

## HMH Into Math Grade 1 Module 3 Lesson 7 Answer Key Develop Fluency in Addition

I Can quickly solve addition facts within 10.

**Step It Out**

1. Toby tosses two number cubes. What is the sum of his numbers?

A. Add. Write to match how the cubes are shown.

Explanation:

I wrote a way to show 5 + 3 = 8

The sum of 5 and 3 is 8.

B. Add. Write to match how the cubes are shown.

Explanation:

I wrote the way to show 5 + 3 = 8

The sum of 5 and 3 is 8.

C. Compare the two sums.

Are they the same? Circle your answer.

The sums are / are not the same.

D. The sum of his two numbers is ___

Answer:

Explanation:

The two sums above are same

5 + 3 = 8

The sum of 5 and 3 is 8.

**Step It Out**

2. Gwen has 8 goldfish. Juan gives her 1 more. How many goldfish does Gwen have now?

A. Write the addition one way.

A. Write the addition another way.

C. Gwen has goldfish.

Answer:

Explanation:

Gwen has 8 goldfish

Juan gives her 1 more

I wrote two different ways to show the sum of 8 and 1

I changed the order of the addends

They are 8 + 1 = 9 and 1 + 8 = 9

So, Gwen has 9 goldfish.

**Check Understanding Math Board**

**Solve. Write the addition two ways.**

Question 1.

6 bees are in the garden. 3 bees join them. How many bees are ¡n the garden now?

There are ___ bees in the garden now.

Answer:

Explanation:

6 bees are in the garden

3 bees join them

6 + 3 = 9

The sum of 6 and 3 is 9

So, there are 9 bees in the garden now.

**On Your Own**

**Solve.**

Question 2.

**Use Structure** Joyce sees 4 ladybugs on one leaf and 3 ladybugs on another leaf. How many ladybugs does she see?

___ ladybugs

Answer:

Explanation:

Joyce sees 4 ladybugs on one leaf

3 ladybugs on another leaf

4 + 3 = 7

The sum of 4 and 3 is 7

So, Joyce saw 7 ladybugs.

Question 3.

**Use Structure** 6 ducks are in the pond. 2 ducks join them. How many ducks are in the pond now?

____ ducks

Answer:

Explanation:

6 ducks are in the pond

2 ducks join them

6 + 2 = 8

The sum of 6 and 2 is 8

There are 8 ducks in the pond now.

Question 4.

**Open Ended** Write three different ways to add to make 10.

Answer:

Explanation:

I wrote 3 different ways to show 10

5 + 5 = 6 + 4 = 3 + 7 = 10

So, these are some ways to make 10.

**Add.**

Question 5.

3 + 5 = ___

Answer:

Explanation:

The sum of 3 and 5 is 8.

Question 6.

4 + 5 = ___

Answer:

Explanation:

The sum of 4 and 5 is 9.

Question 7.

1 + 7 = ___

Answer:

Explanation:

The sum of 1 and 7 is 8.

**On Your Own**

**Add.**

Question 8.

Answer:

Explanation:

The sum of 2 and 6 is 8.

Question 9.

Answer:

Explanation:

The sum of 3 and 3 is 6.

Question 10.

Answer:

Explanation:

The sum of 1 and 7 is 8.

Question 11.

Answer:

Explanation:

The sum of 5 and 4 is 9.

Question 12.

Answer:

Explanation:

The sum of 5 and 1 is 6.

Question 13.

Answer:

Explanation:

The sum of 9 and 1 is 10.

Question 14.

Answer:

Explanation:

The sum of 0 and 5 is 5.

Question 15.

Answer:

Explanation:

The sum of 1 and 6 is 7.

Question 16.

Answer:

Explanation:

The sum of 5 and 5 is 10.

Question 17.

Answer:

Explanation:

The sum of 1 and 5 is 6.

Question 18.

Answer:

Explanation:

The sum of 7 and 3 is 10.

Question 19.

Answer:

Explanation:

The sum of 8 and 1 is 9.

Question 20.

Answer:

Explanation:

The sum of 2 and 4 is 6.

Question 21.

Answer:

Explanation:

The sum of 5 and 3 is 8.

Question 22.

Answer:

Explanation:

The sum of 9 and 0 is 9.

Question 23.

Answer:

Explanation:

The sum of 3 and 4 is 7.

Question 24.

Answer:

Explanation:

The sum of 3 and 7 is 10.

Question 25.

Answer:

Explanation:

The sum of 7 and 2 is 9.

Question 26.

Answer:

Explanation:

The sum of 4 and 4 is 8.

Question 27.

Answer:

Explanation:

The sum of 10 and 0 is 10.