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

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

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

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

Add one and find the sum! In this game, children practice number and pattern recognition skills.

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

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

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

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!

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

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

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

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

Hone first grade addition strategies with this underwater math adventure!

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

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

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

Children hone their multi-digit addition skills in this fun race to the finish line!

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

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

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

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

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

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

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

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

Children race down the river and across the finish line by choosing the equations that make 20.

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

Find the sum of 12 plus 8 and other combinations that make 20 in this online diving adventure.