# How to Subtract on a Number Line

## Subtracting on a Number Line

A number line can be used to subtract numbers.

Imagine we wanted to find **7 − 3**.

## How to Subtract on a Number Line

Subtracting on a number line is easy.

### Question

Use a number line to find **7 − 3**.

### Step-by-Step:

# 1

Find **7** on the number line.

**7** − 3

# 2

Move **3** to the **left** along the number line.

7 **− 3**

# 3

Read off the number you have reached.

### Answer:

7 − 3 = **4**