Negative numbers: addition and subtraction

Add and subtract negative numbers, and see how absolute value can be used to find the distance between any two numbers on the number line.

Learn how to add negative numbers. By the end of this tutorial, you'll be solving problems like 4 + (-7) with ease!

Add and subtract negative numbers using a number line. It's the 7th grade mathematics shuffle: "Slide to the left for a negative value, and slide to the right for a positive value." Be careful, though. Which way do you move if you are subtracting a negative number? The answer awaits!

Feeling positive about all of this negative number stuff? Challenge yourself to solve some more advanced problems, including expressions with variables.