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

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

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

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

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

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

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

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

Children practice addition within 10 in this water rafting adventure!

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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