Children use their mental math skills to determine which equations add up to 20 in this math game.

Your kid will practice addition by using number pairs to fill a staircase.

Practice addition to 100 using multiples of 10! This game highlights two-digit addition math.

Kids help Elliott prepare treasures for her museum by answering word problems by using a tape diagram.

Play this snow-themed game, in which students practice using patterns to add within 10.

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

Kids practice concrete counting and simple addition at the pizza parlor.

Match each addition fact to its answer in this online game!

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

Your kid represents addition facts with objects by counting Roly's hats.