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

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

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

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.

Here's a fun and quick way to help kids learn about intervals of 10. Skip count by 10 to complete the game!

Match up subtraction facts to 20 in this engaging math game for second graders!