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

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

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

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

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

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

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

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

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

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!

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

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

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

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

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

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

Children use their knowledge of addition to snap pictures of unique dinosaurs in this fun math game!

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

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

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

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

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

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

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

Hone first grade addition strategies with this underwater math adventure!

Think about how numbers are related in this interactive game about addition fact families.

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

In this energizing math game, think about how different numbers can add up to 20.

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