Introduction to Subtraction

Learn the basics of subtraction with this free lesson, which includes subtraction basics as well as interactives for you to practice.

Solving Problems

In Introduction to Addition, you learned how to use counting to solve addition problems. That skill can also be used to solve subtraction problems.

Ways to Count

We're going to take a look at two ways you can use counting to subtract. First we'll count with objects.

Try This!

Solve these expressions.

7 - 2 =
6 - 3 =
5 - 4 =

Number Lines

Another way to solve subtraction problems is to use a number line.