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Kids hone their single-digit addition skills as they match equations with their missing factors.

Players hone their two-digit addition skills as they match equations with their missing addends!

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

First graders match the cards that equal the same value in this mental math matching game.

Kids click on bubbles that add up to 10 to try to keep the bubbles from overflowing.

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

Fill in these addition facts! This game challenges kids to match missing addends to each equation.

Children use their addition knowledge to complete equations in a race to reach the sunken treasure.

Which number is missing? Click on the number that fits each addition expression and win the race.

Dive for treasure and missing factors in this online game featuring addition equations.

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

Children must choose the correct addition expressions as they race to the sunken treasure chest.

Which equation looks right? Review fact families and addition to 10 in this educational math game.

Kids must move fast to find addition pairs that total a target sum within 20.

Kids add to different target numbers, and must be quick; the balls are dropping fast!