# Into Math Grade 1 Module 2 Lesson 3 Answer Key Count On to Subtract

We included HMH Into Math Grade 1 Answer Key PDF Module 2 Lesson 3 Count On to Subtract to make students experts in learning maths.

## HMH Into Math Grade 1 Module 2 Lesson 3 Answer Key Count On to Subtract

I Can count on to solve a subtraction problem.

8 children sit at tables. 5 children sit at a red table. The rest sit at a blue table. How many children sit at the blue table? How can you count on to solve the problem?  Explanation:
8 children sit at tables
5 children sit at a red table
The rest sit at a blue table
Count on from the number you subtract. Stop when you reach the number you subtract from
I counted from the number 5 and stopped at 8
I counted 3 more numbers
8 – 5 = 3
So, 3 children sit at the blue table.

Read the problem to children. Allow pairs to choose tools and work together to show how to count on to solve the problem.

Build Understanding

There are 9 acorns. 7 acorns are on the ground. The rest of them are in a tree. How many acorns are in the tree?
9 – 7 =  A. How can you count on to show the problem?  B. How can you complete the equation to solve the problem?
9 – 7 = ___
C. ___ acorns are in the tree.

Explanation:
There are 9 acorns
7 acorns are on the ground
The rest of them are in a tree
I counted from 7 till 9
I counted 2 more
9 – 7 = 2
So, 2 acorns are in the tree.

Turn and Talk Explain how you counted on to solve this problem.

Step It Out

1. Ann has 7 flowers. 4 are in a vase. She holds the rest. How can you count on to find how many flowers Ann holds?
A. What number do you subtract? ____
What number do you subtract from? ___
B. Count on from the number you subtract. Stop when you reach the number you subtract from. How many flowers did you count on? So, 7 – 4 = ___
C. Ann holds ___ flowers.
Ann holds 3 flowers

Explanation:
Ann has 7 flowers. 4 are in a vase
She holds the rest
I subtract 4
I subtract 4 from 7
Count on from the number you subtract. Stop when you reach the number you subtract from
I counted 3 more numbers
7 – 4 = 3
So, Ann holds 3 flowers.

Check Understanding Math Board

Count on to subtract.

Question 1.
Nate has 9 marbles. 8 are in a bag. The rest of them are in his hand. How many marbles are in his hand?
___ – ___ = ___ ___ marble
9 – 8 = 1

Explanation:
Nate has 9 marbles. 8 are in a bag
The rest of them are in his hand
I subtract 8
I subtract 8 from 9
Count on from the number you subtract. Stop when you reach the number you subtract from
I counted 1 more number
9 – 8 = 1
So, Nate holds 1 marble in his hand.

Count on to subtract.

Question 2.
Model with Mathematics Haldi has 11 beads. 9 of them are on the floor. The rest are on the table. How many beads are on the table?
___ – ___ = ___
___ beads are on the table.
11 – 9 = 2
2 beads are on the table

Explanation:
Haldi has 11 beads. 9 of them are on the floor
The rest are on the table
I subtract 9
I subtract 9 from 11
Count on from the number you subtract. Stop when you reach the number you subtract from
I counted 2 more numbers
11 – 9 = 2
So, 2 beads are on the table.

Question 3.
Construct Arguments Explain how Malik can count on to subtract 10 – 7.
I subtract 7
I subtract 7 from 10
Count on from the number you subtract. Stop when you reach the number you subtract from
I counted 3 more numbers
So, 10 – 7 = 3.

Count on to subtract.

Question 4.
8 – 7 = ___
8 – 7 = 1

Explanation:
I subtract 7
I subtract 7 from 8
Count on from the number you subtract. Stop when you reach the number you subtract from
I counted 1 more number
So, 8 – 7 = 1

Question 5.
10 – 8 = ___
10 – 8 = 2

Explanation:
I subtract 8
I subtract 8 from 10
Count on from the number you subtract. Stop when you reach the number you subtract from
I counted 2 more numbers
So, 10 – 8 = 2.

Question 6.
6 – 6 = ___
6 – 6 = 0

Explanation:
I subtract 6
I subtract 6 from 6
Count on from the number you subtract. Stop when you reach the number you subtract from
I did not count any numbers as no number is  are left.
So, 6 – 6 = 0

Question 7.
12 – 9 = ___
12 – 9 = 3

Explanation:
I subtract 9
I subtract 9 from 12
Count on from the number you subtract. Stop when you reach the number you subtract from
I counted 3 more numbers
So, 12 – 9 = 3

I’m in a Learning Mindset!

What parts of counting on to subtract can I do on my own? What parts do I need help with?

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