Children race down the river and across the finish line by choosing the equations that make 20.

Children hone their multi-digit addition skills in this fun race to the finish line!

Hone first grade addition strategies with this underwater math adventure!

Children use their knowledge of addition to snap pictures of unique dinosaurs in this fun math game!

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.

Think about how numbers are related in this interactive game about addition fact families.

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