In this water-themed race, first graders use math and logic to fill in each addition equation.

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

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.