Kids hone their single-digit addition skills as they match equations with their missing factors.

Learners hone their two-digit by one-digit addition skills in this underwater race to sunken treasure!

Which equation makes 10? Help young mathematicians figure it out in this treasure diving math game.

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

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

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

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

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.

Go fishing for numbers that add up to 10 in this interactive addition game for young math learners.

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

Help young learners identify the correct fact family equations in this exciting addition game.

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.