Add it up! Kids must use mental addition to match each equation to its answer.

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

Kids practice matching each addition equation to its missing factor in this interactive math game.

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

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

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

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

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

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

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

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

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

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

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

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

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

Which equation looks right? Review fact families and addition to 10 in this educational math game.

Your kid will add the right number of eggs to the nest to practice addition facts.

Kids practice adding small numbers in this silly addition game.

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

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

How do you make 10? Dive into a math adventure and discover simple equations that add up to 10.

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

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.

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

Match each addition fact to its answer in this online game!

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

Give learners plenty of practice solving addition word problems with this math game!

In this math game, students practice finding sums and performing addition with 5.