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.

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

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

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

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

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

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.

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!

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

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.

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

Children dig up dinosaur fossils by adding 10 to multiples of 100 in this prehistoric game.

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

Help Roly get to the party on the other side of the river by solving addition word problems!

Kids practice adding small numbers in this silly addition game.

Are you ready to add 10 to numbers over 100? Reinforce students’ learning in this ski-themed game.

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

Reinforce your child's three-digit addition skills with this ski-themed learning adventure!

Give learners plenty of practice solving addition word problems with this math game!

What’s the sum? Add 10 to that number in a three-digit addition game for second graders.

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