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

Kids practice matching each addition equation to its missing factor in this interactive math game.

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

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

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

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

Children hone their knowledge of addition and missing addends in a race to reach the sunken treasure.

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

As students practice adding one-digit numbers, they will move their character to the finish line in Ski Racer: Addition to 10.

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

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

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

Go fishing for numbers that add up to 10 in this interactive addition game for young math learners.

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