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

Help young learners identify the correct fact family equations in this exciting addition game.

Think about how numbers are related in this interactive game about addition fact families.

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

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

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

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

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

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

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

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

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

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

Counting and adding get served up in this game that challenges kids to add toppings to a giant pizza.

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

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

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

Children complete a race by choosing the correct addition expressions for the given fact families.

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

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

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

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

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

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

Children practice addition within 10 in this water rafting adventure!

Your kid will add the right number of eggs to the nest to practice addition facts.

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

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