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

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

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.

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!

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

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

Kids practice mentally adding sums up to 30 in this fast-paced addition race.

Kids practice two-digit addition to 100 in this action-packed number line game.

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

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

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

Give learners plenty of practice solving addition word problems with this math game!

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

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

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

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

Kids practice adding small numbers in this silly addition game.

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

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