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.

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

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

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

Hone first grade addition strategies with this underwater math adventure!

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

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!

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!

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

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

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

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

In this water-themed race, first graders use math and logic to fill in each addition equation.

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

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

Children hone their knowledge of addition and missing addends in a race to reach the sunken treasure.

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

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

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.

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.

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

First graders match the cards that equal the same value in this mental math matching game.

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