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!

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

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

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

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