If you have ever stared at a number line with dots on it and wondered 'How could I summarize these dots?', then this is the tutorial for you!

This tutorial will help you understand what a set is, and the different kinds of sets that you may see when you're working on algebra problems :)

Number lines are great ways to represent a group of numbers, and in this tutorial you'll see how to graph a group of numbers on a number line

Number lines are really useful in visualizing an inequality or a set. In this tutorial, you'll see how to graph both. Take a look!