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

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

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

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

Kids mix up a potion to help Professor Beardo grow out his beard, and practice place value, in this multi-digit addition game.

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

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

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

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

Kids practice two-digit addition to 100 in this action-packed number line game.

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

Add 100 to three-digit numbers and find the matching sums in this exciting Dino Fishing game.

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

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

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

All aboard! Kids solve addition problems on a number line using 1, 10, and 100 unit manipulatives.

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

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

Which equation looks right? Review fact families and addition to 10 in this educational math game.

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

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

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

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

Build up second graders’ math knowledge with a diving game about three-digit addition.

Children practice addition within 10 in this water rafting adventure!

Kids practice mentally adding sums up to 30 in this fast-paced addition race.

Get ready to add 10 more! Analyze expressions like "110 + 10" and calculate three-digit sums.

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

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

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