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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!

Fe, fi, fo, yum! Kids practice decimal addition to the tenth and hundredth place with this silly game.

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

As students practice adding one-digit numbers, they will move their character to the finish line in Ski Racer: Addition to 10.

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

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

Children must choose the correct addition expressions as they race to the sunken treasure chest.

In this math game, students practice finding sums and performing addition with 5.

Go fishing for numbers that add up to 10 in this interactive addition game for young math learners.

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

First graders match the cards that equal the same value in this mental math matching game.

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

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

Children practice addition within 10 in this water rafting adventure!

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

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

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

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

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

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

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

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

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

Kids hone their single-digit addition skills as they match equations with their missing factors.