‘Daily Math’

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When Phones Really Clicked

December 20, 2017 4:00 pm

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When you make a phone call these days, you don’t even have to remember anyone’s number. But it wasn’t always like that – you used to really have to work for that call with a rotary phone! Read on to find out more about these old-time phones, and dial up the fun rotary-phone math!

Dogs around the World

December 19, 2017 4:00 pm

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Bedtime Math fans Kaiya and Keiry R. asked us, how many dogs are there in the whole world? — and drew us an awesome picture of some examples to get us started. Read on to find out the answer, and do some tail-wagging fun math!

Time to Bake Cookies

December 18, 2017 4:00 pm

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It’s National Bake Cookies Day, and what better way to celebrate than with some math-y cookies made by computer science professor Francesco De Comite! Read on to eat up the math in these puzzle-like cookies – and put your math where your mouth is.

Bumper Cars Across America

December 17, 2017 4:00 pm

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Sitting in traffic got Bedtime Math fan Cecilia H. thinking: how many cars could you line up end to end from Los Angeles to New York? Read on to find out, and speed through the math in bumper-to-bumper cars!

A Tree That’s Hard to Top

December 16, 2017 4:00 pm

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Bedtime Math fan Anoushka M. visited the giant spruce tree at Rockefeller Center last week and it got her thinking about numbers. She asked us, how tall is that tree? Read on to find out – and trim the tree with math and numbers!

Flipping Out

December 15, 2017 4:00 pm

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There are lots of ways to get from one place to another, like walking, skipping, skateboarding, and driving. But it’s more fun to go from place to place doing backflips – and breaking world records! Read on to check out some backflip records, and flip out over the cool math.

In the Footsteps of Giants

December 14, 2017 4:00 pm

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Our friend Alexis V. asked us for some dinosaur math — and as luck would have it, there’s big news about those big old reptiles! Just last week scientists in Scotland found a big patch of dinosaur footprints from 161 million years ago.

When There’s Wind in the Wires

December 13, 2017 4:00 pm

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You’ve probably seen pictures of cute old-fashioned windmills, or seen a toy one spinning at the miniature golf course. And maybe you’ve even seen a version of them around today, called wind turbines, from afar. So you might not realize how gigantic they really are! Read on to find out about the numbers in these towering twirly machines – and get spinning with the math.

Extreme Drumming

December 12, 2017 4:00 pm

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Drummer and Bedtime Math fan Luca R asked how many 16th notes are in a minute…

Miracle of Oil

December 12, 2017 3:59 pm

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Hanukkah is the Jewish holiday also known as the Festival of Lights. Read on to find out more about this holiday that shines bright with candle and food math!