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

Kids practice mentally adding sums up to 30 in this fast-paced addition race.

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

Kids try to match the equations that equal the same number in this online math game!

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