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

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.

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.