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.

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

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

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

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

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

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

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

Hone first grade addition strategies with this underwater math adventure!

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

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

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.

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.

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 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.

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

Children will love racing to the finish line while boosting their addition and mental math skills.

Which equation makes 10? Help young mathematicians figure it out in this treasure diving math game.

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

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.