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

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.

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.

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

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

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

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

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

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.

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

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

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

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

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

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

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.

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

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

Children flex their mental math muscles as they try to quickly find the equations that add up to 10.

Hone first grade addition strategies with this underwater math adventure!

Ask your child to practice adding up to 10 and breaking down math equations in this math race.

Children use their mental math skills to determine which equations add up to 20 in this math game.

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