2/21/24 - Teachers and Parents - Becoming a member of the the ad-free Mr. Nussbaum is ONLY $29 per year!! With prices for everything seemingly spiraling upward, did you know we have reduced the price by $50 since last year? A membership unlocks all content, provides a curated student dashboard, allows for content creation, and provides unlimited students logins (among many other things). Click "Sign Up" in the upper right to start.

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Help your state rise to the top of the leaderboards in the Great American Subtraction Challenge. First choose your state (this may happen automatically or you may have to allow the program to obtain your location). Then, choose the subtraction tables to practice. Answer as many subtraction facts as you can in two minutes. When you are finished, click on “view statistics” and see how your performance helps your state.

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