Kids practice comparing numbers from 50 to 99 with alligators at the swamp.

Children flex their mental math muscles as they try to quickly find the equations that add up to 10.

First graders match the cards that equal the same value in this mental math matching game.

Kids click on bubbles that add up to 10 to try to keep the bubbles from overflowing.

Which subtraction fact is correct? Review subtraction fact families in this exciting math game.

In this energizing math game, think about how different numbers can add up to 20.

Kids must move fast to find addition pairs that total a target sum within 20.