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

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

Kids practice adding small numbers in this silly addition game.

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

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

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

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.

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