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

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.

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

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.

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

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

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!

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

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

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!

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

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

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

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

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

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

Hone first grade addition strategies with this underwater math adventure!

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

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

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

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

First graders gain confidence with addition and decomposing numbers in this fun water rafting game!

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

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

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