Which number is missing? Click on the number that fits each addition expression and win the race.

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

Add 100 to three-digit numbers and find the matching sums in this exciting Dino Fishing game.

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

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

First graders gain confidence with addition and decomposing numbers in this fun water rafting game!

Math learners hone their multi-digit addition skills in this interactive game show!

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

Students help Birdee and Cuz-Cuz count up all the fish they won in this addition game.

Kids help Elliott prepare treasures for her museum by answering word problems by using a tape diagram.

Are you ready to add 10 to numbers over 100? Reinforce students’ learning in this ski-themed game.

Reinforce your child's three-digit addition skills with this ski-themed learning adventure!

Children must choose the correct addition expressions as they race to the sunken treasure chest.

Children complete a race by choosing the correct addition expressions for the given fact families.

Children hone their knowledge of addition and missing addends in a race to reach the sunken treasure.

In this water rafting adventure, children will be asked to choose the equation that adds up to 10.

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

Kids solve two- and three-digit addition problems by regrouping in order to help the Professor grow out his beard.

All aboard! Kids solve addition problems on a number line using 1, 10, and 100 unit manipulatives.

Kids solve a multi-step word problem by counting out the right number of coins.

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