Find the sum of 12 plus 8 and other combinations that make 20 in this online diving adventure.

Children practice addition within 10 in this water rafting adventure!

Practice essential first grade addition skills in this river-themed math game!

Practice two-digit addition and adding multiples of 10 in this Dino Fishing math game.

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

Practice addition to 100 using multiples of 10! This game highlights two-digit addition math.

Add one and find the sum! In this game, children practice number and pattern recognition skills.

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

Children practice adding two-digit and one-digit numbers to dig up fossils in this math game.

Ask your child to practice adding up to 10 and breaking down math equations in this math race.

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

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

Learners hone their two-digit by one-digit addition skills in this underwater race to sunken treasure!

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

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

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

Children use their mental math skills to determine which equations add up to 20 in this math game.

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

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

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

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

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

First graders gain confidence with addition and decomposing numbers in this fun water rafting game!

Children use their knowledge of addition to snap pictures of unique dinosaurs in this fun math game!

Students help Birdee and Cuz-Cuz count up all the fish they won in this addition game.

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

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

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

In this water rafting adventure, children will be asked to choose the equation that adds up to 10.

Children race down the river and across the finish line by choosing the equations that make 20.