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

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

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!

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

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

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

The alligators are hungry for numbers, and kids use number skills to feed them.

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

In this underwater game, children choose the correct subtraction expression for a given fact family.

Learners practice subtraction and patterns of one less in this underwater math race!

Players race down the roaring rapids while practicing subtraction patterns of one less.

First graders hone their addition skills of adding one more with this water rafting math adventure!

Take a deep dive into the addition strategy of adding one more with this underwater math adventure!

Kids practice place value for numbers 11 to 20 in this ten-frame game.

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

This upbeat game is a fun way to help learners practice solving subtraction word problems.

Kids use their math knowledge to race to the finish line by correctly solving subtraction problems.

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

Children will solve addition word problems in order to help Roly make it across the river!

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

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

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

Think on your feet and find the missing numbers in these subtraction equations.

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.

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

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

What's the word around cannery row? Hone your touch typing skills on some extra-challenging words.

How do you make 10? Dive into a math adventure and discover simple equations that add up to 10.