This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

Your child will be cheering for 8s and 9s as she tries to create a larger number than her competitors. Whoever ends up with the largest number wins!

This pyramid card game is a fun way to help your child learn addition and subtraction. Best of all, itâs quick to set up and easy to play.

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.