Category: Subtract Single Digits

Pick your favorite topic below. Read the opening, then solve the math together!

Messed-up Pennies

Pennies are always only worth 1 cent…right? Not all of them. Read on to crunch the numbers behind messed-up money and how that makes some

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Fibonacci Day!

One of the most fun things about numbers is the patterns they make. It’s even more fun when the number patterns can be found in

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Best Drummer Ever

You can make music using almost anything, like this guy who uses buckets to make really cool beats! And you’d be surprised how much math

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The Tacocopter

Wouldn’t it be awesome if you could order a snack from your phone and have a tiny helicopter deliver it to you? This was the

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