# Lesson 7 Addition and Subtraction on the Number Line

Let’s match equations to number line representations.

## Warm-up Notice and Wonder: Jumps on the Number Line

What do you notice? What do you wonder?

## Activity 1 Add and Subtract

Circle the equation represented on the number line.

## Problem 1

Circle the equation represented on the number line.

## Problem 2

## Problem 3

## Problem 4

Circle the equation represented on the number line.

Explain why the other equation doesn’t match this number line.

## Activity 2 Number Lines and Equations

Choose one of the equations.

Write each equation next to the number line that represents it.

Write the equation that didn’t have a match and represent it on a number line.

## Practice Problem

## Problem 1

Which equation does the number line represent? Explain your reasoning.