Introduction
The Distance Formula

A road with straight lines headed towards a mountain range

The distance formula is used to find the length of a segment. On the coordinate plane it can be used to find how far apart two points are. In this topic, you will be able to use the distance formula to find the length between two points.

Essential Question

 

Warm-Up

The Number Line Interactivity

Warm-up iconTo find the distance between two points on a number line, you may choose to use one of the following techniques:

In this non-graded interactivity, warm-up your skills by finding the distance between two points by answering the following questions. Click the player button to get started.