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.

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

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 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!

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!

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

Your kid will add the right number of eggs to the nest to practice addition facts.

Your kid represents addition facts with objects by counting Roly's hats.

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!

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

Children must choose the correct addition expressions as they race to the sunken treasure chest.

Children practice addition within 10 in this water rafting adventure!

Children complete a race by choosing the correct addition expressions for the given fact families.

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

In this water rafting adventure, children will be asked to choose the equation that adds up to 10.

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

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

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