Explore opposites and reciprocals through positive and negative numbers and fractions.

[Free Registration/Login Required] The teacher will use this lesson plan to identify and represent on a number line decimals, fractions, mixed numbers, positive and negative integers.

This animated Math Shorts video from the Utah Education Network explains the term additive inverse and provides several examples that demonstrate the concept. In the accompanying classroom activity, students create equations and solve...

In this interactive math game, students use absolute value to determine how many feet below sea level Carl must be to stay away from the shark.

Practice finding the missing value in an addition or subtraction equation involving negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This interactive game allows users to practice with positive and negative numbers.