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

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

Children will love racing to the finish line while boosting their addition and mental math skills.

Which equation makes 10? Help young mathematicians figure it out in this treasure diving math game.

Compose numbers to make 20 and build first grade addition skills in each round of this online game.

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

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

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

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

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

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

Kids practice adding and taking away 10 in this silly game show.

Kids practice addition and subtraction with manipulatives in this silly shopping game.

Children flex their mental math muscles as they try to quickly find the equations that add up to 10.

Kids practice recognizing addition patterns as they match equations to their correct answers.

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

In this energizing math game, think about how different numbers can add up to 20.

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

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

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

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.