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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One day, when Will and his brother Gaby, were happily playing with their happy hamstars, the mean Black Widow appeared and took them all to his underground lair. Will and Gaby were heartbroken! Now, help Will save his happy hamstars by answering the adding and subtracting problems to unlock the gates to all of the cells! As you succeed in your mission, you'll earn tokens that can be used in the Happy Hamstar machine to earn Happy Hamstar Trading Cards. Try to collect all 15 and the RARE gold cards! See the instructional video for learn more.

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