Kids must flex their mental math skills to answer simple subtraction problems.

Develop a deeper understanding of how shapes fit together to form a hexagon.

Play this snow-themed game, in which students practice using patterns to add within 10.

Add one and find the sum! In this game, children practice number and pattern recognition skills.

Children will love racing to the finish line while boosting their addition and mental math skills.

Children use their mental math skills to determine which equations add up to 20 in this math game.

Children use their addition knowledge to complete equations in a race to reach the sunken treasure.

Dive for treasure and missing factors in this online game featuring addition equations.

Find the sum of 12 plus 8 and other combinations that make 20 in this online diving adventure.

In this water-themed race, first graders use math and logic to fill in each addition equation.