10/19/26 - Teachers LOVE my new $ 89 forever subscription option. No renewals, no recurring fees, just an incomparable library of engagement and indispensable materials, including my new 2.0 versions of classic games like Tony Fraction, Cash Out, Place Value Pirates, Horrendous Soup and others. It's the best value in education and pays for itself instantly. By the check out my new Solar System interactives. I've unlocked them for everyone until November. These are AMAZING.

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Are you up to this addition and subtraction challenge? Welcome to the first annual all-pretzel arm wrestling tournament. Although you can’t hope to match the pure strength of the world’s best arm wrestling pretzels, you have one advantage – the strength of your pretzel-flexible arms is governed by your quick skills in addition and subtraction. Subdue your worthy opponents with your error-free calculations. Be careful though – errors you can afford to make in the first few rounds will lead to your demise in the last few rounds. Be quick —- and accurate. The calculations get harder as you move on, but you’ll have to make less of them in the later rounds.

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