# Lesson 5 Find the Difference

• Let’s find differences within 10.

## Warm-up Number Talk: Missing Value Within 10

Find the number that makes each equation true.

1. 10-6=

## Activity 1 Different Ways to Find the Difference

Mai, Diego, and Noah find the value of .

1. Diego says, “I can take away.”

What does Diego mean?
Be ready to explain your thinking in a way that others will understand.

2. Mai says, “I can count on.”

What does Mai mean?
Be ready to explain your thinking in a way that others will understand.

3. Noah says, “I can use what I know about to help me.”
What does Noah mean?
Be ready to explain your thinking in a way that others will understand.

## Problem 1

Find the value of each difference in the subtraction string.
Explain what you notice.

Set 1:

## Problem 2

What do you notice?
Why do you think this happens?
Be ready to explain your thinking in a way that others will understand.

## Problem 3

Find the value of each difference in the subtraction string.
Explain what you notice.

Set 2:

## Problem 4

What do you notice?
Why do you think this happens?
Be ready to explain your thinking in a way that others will understand.

## Activity 3 The Value of the Difference

Find the value of each difference.

## Problem 1

Find the value of each expression.
Show your thinking using drawings, numbers, or words.