First graders hone their addition skills of adding one more with this water rafting math adventure!

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

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.

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

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

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

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

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

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.

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

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

Children use their addition knowledge to complete equations in a race to reach the sunken treasure.

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

Kids sharpen mental addition skills with this silly construction math game.

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

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

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

Only your kid's addition skills can help Secret Agent Floyd defeat the evil El Gato.

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

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

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

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

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

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

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

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

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

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