- 100s Chart Plus 10: Add ten to the number shown - see how fast you can do it!
- Counting on the Hundreds Chart: Challenge yourself to do as high a number as fast as you can!
- 100s Chart Plus 11: Add eleven to the number shown - see how fast you can do it!
- Math Bone: An 'oldie but a goodie' - a classic, as we say in Room 240.
- Who Wants to be a Millionaire (Mathinaire): Answer the addition problems to earn totally real (fake) money!