Hard hats on! Kids practice identifying numbers 11 to 20 in this demolition game.

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!

Can you put these numbers in order? Get some practice with numbers 11-20 with this simple number game.

Ready to compare numbers to 20? Review number comparisons in this kindergarten math game.

Help young learners practice comparing numbers to 20 with this energizing math game.

Click on each number as you hear it! Identify numbers 11-20 to win the race in this interactive educational game.

Kids hover among the clouds and try to find all the right numbers from 11 to 20.

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

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.

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.

Which number is biggest? Practice comparing number values with this mud hoppin' game.

Go on a space hunt -- not for aliens, but for numbers! Find the spoken numbers in this space scene and click a pic for space success.

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

Which number is the biggest? Which number is the smallest? This game is all about comparing numbers.

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.

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

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 use their knowledge of addition to snap pictures of unique dinosaurs in this fun math 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.

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

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.

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