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.

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

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.

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

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!

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

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!

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

Let's have a ski race while practicing addition to 20 in this fast-paced learning adventure!

Kids try to match the equations that equal the same number in this online math game!

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

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

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

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

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

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

Kids must move fast to find addition pairs that total a target sum within 20.

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

Kids click on bubbles that add up to 10 to try to keep the bubbles from overflowing.

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

Children use their addition knowledge to complete equations in a race to reach the sunken treasure.

Which number is missing? Click on the number that fits each addition expression and win the race.

Take a deep dive into the addition strategy of adding one more with this underwater math adventure!

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

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