We included HMH Into Math Grade 1 Answer Key PDF Module 3 Lesson 7 Develop Fluency in AdditionÂ to make students experts in learning maths.

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.
The sums are / are not the same.
D. The sum of his two numbers is ___

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.

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 Âˇn the garden now?

There are ___ bees in the garden now.

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.

Solve.

Question 2.
Use Structure Joyce sees 4 ladybugs on one leaf and 3 ladybugs on another leaf. How many ladybugs does she see?

Explanation:
Joyce sees 4 ladybugs on one leaf
4 + 3 = 7
The sum of 4 and 3 is 7

Question 3.
Use Structure 6 ducks are in the pond. 2 ducks join them. How many ducks are in the pond now?
____ ducks

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.

Explanation:
I wrote 3 different ways to show 10
5 + 5 = 6 + 4 = 3 + 7 = 10
So, these are some ways to make 10.

Question 5.
3 + 5 = ___

Explanation:
The sum of 3 and 5 is 8.

Question 6.
4 + 5 = ___

Explanation:
The sum of 4 and 5 is 9.

Question 7.
1 + 7 = ___

Explanation:
The sum of 1 and 7 is 8.

Question 8.

Explanation:
The sum of 2 and 6 is 8.

Question 9.

Explanation:
The sum of 3 and 3 is 6.

Question 10.

Explanation:
The sum of 1 and 7 is 8.

Question 11.

Explanation:
The sum of 5 and 4 is 9.

Question 12.

Explanation:
The sum of 5 and 1 is 6.

Question 13.

Explanation:
The sum of 9 and 1 is 10.

Question 14.

Explanation:
The sum of 0 and 5 is 5.

Question 15.

Explanation:
The sum of 1 and 6 is 7.

Question 16.

Explanation:
The sum of 5 and 5 is 10.

Question 17.

Explanation:
The sum of 1 and 5 is 6.

Question 18.

Explanation:
The sum of 7 and 3 is 10.

Question 19.

Explanation:
The sum of 8 and 1 is 9.

Question 20.

Explanation:
The sum of 2 and 4 is 6.

Question 21.

Explanation:
The sum of 5 and 3 is 8.

Question 22.

Explanation:
The sum of 9 and 0 is 9.

Question 23.

Explanation:
The sum of 3 and 4 is 7.

Question 24.

Explanation:
The sum of 3 and 7 is 10.

Question 25.

Explanation:
The sum ofÂ  7 and 2 is 9.

Question 26.