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.

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

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

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

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

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

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

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!

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

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!

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

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.