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

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

Children practice adding two-digit and one-digit numbers to dig up fossils in this math game.

Take a deep dive into the addition strategy of adding one more with this underwater math adventure!

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

To help Roly move through obstacles, kids learn a regrouping strategy to make addition within 20 easily!

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

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

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

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

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

Children practice addition within 10 in this water rafting adventure!

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

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

Children will solve addition word problems in order to help Roly make it across the river!

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