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

What’s the sum? Add 10 to that number in a three-digit addition game for second graders.

Kids practice two-digit addition to 100 in this action-packed number line game.

Kids try to match the equations that equal the same number in this online math game!

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

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

Hone first grade addition strategies with this underwater math adventure!

Practice essential first grade addition skills in this river-themed math game!

Compose numbers to make 20 and build first grade addition skills in each round of this online game.

Build up second graders’ math knowledge with a diving game about three-digit addition.

Fill in these addition facts! This game challenges kids to match missing addends to each equation.

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

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

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

Help second graders learn about addition facts to 20 in this online matching activity.

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

First graders hone their addition skills of adding one more with this water rafting math adventure!

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

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

Kids practice adding and taking away 10 in this silly game show.

Children help a woodpecker peck through boards in numerical order in this fast-paced counting game.

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

Only your kid's addition skills can help Secret Agent Floyd defeat the evil El Gato.

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

Ask your child to practice adding up to 10 and breaking down math equations in this math race.

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

Addition experts, come on down! Practice quick-thinking two-digit addition in this educational game that tests off-the-cuff adding skills.

Kids add to different target numbers, and must be quick; the balls are dropping fast!