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.

All aboard! Kids solve addition problems on a number line using 1, 10, and 100 unit manipulatives.

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

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

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

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.

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