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

Help second graders learn about addition facts to 20 in this online matching activity.

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

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

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

Let's have a ski race while practicing addition to 20 in this fast-paced learning adventure!

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.

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

Match each addition fact to its answer in this online game!

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

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

Addition experts, come on down! Practice quick-thinking two-digit addition in this educational game that tests off-the-cuff adding skills.

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

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

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

Kids solve two- and three-digit addition problems by regrouping in order to help the Professor grow out his beard.

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

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

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

Kids try to match the equations that equal the same number in this online math game!

Hone first grade addition strategies with this underwater math adventure!

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 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.

Players hone their two-digit addition skills as they match equations with their missing addends!

Math learners hone their multi-digit addition skills in this interactive game show!