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

Children hone their multi-digit addition skills in this fun race to the finish line!

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

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

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

As students practice adding one-digit numbers, they will move their character to the finish line in Ski Racer: Addition to 10.

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

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

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

Let's have a ski race while practicing addition to 20 in this fast-paced learning adventure!

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

Hone first grade addition strategies with this underwater math adventure!

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

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

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

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

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