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

Build up second graders’ math knowledge with a diving game about three-digit addition.

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

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

What’s the sum? Add 10 to that number in a three-digit addition game for second graders.

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

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

Kids practice addition and subtraction with manipulatives in this silly shopping game.

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

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

Kids add to different target numbers, and must be quick; the balls are dropping fast!

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

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