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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For many years the Tae Kwon Donuts and the Subninjas have fought against each other. Now, the subninjas have resorted to kidnapping the Tae Kwon Donuts’ Munchquins! You must use your addition, subtraction, multiplication, and division skills for both positive and negative numbers to identify the weak link among rows of horrifying subninjas to save the future generation of Tae Kwon Donuts! You must attack the subninja with the math problem that yields a different answer than the rest! Use the keyboard arrows to move your Tae Kwon Donut and the space bar to attack. As you progress through rooms of the castle, you will earn your colored belts and new attack modes! You can also earn a password to return to any room in the castle.

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