Author Archive

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Why Did the Cheetah Cross the Bridge?

December 30, 2017 4:00 pm

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Bedtime Math fan Troy W. saw the Thi Nai bridge – Vietnam’s longest sea bridge – near his house and started thinking, how long would it take a mouse to cross this super long bridge, and how long would it take a cheetah? Read on to find out, and race these animals with some speedy math!

The Next Time You Yawn…

December 29, 2017 4:00 pm

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They say yawning is contagious from person to person: you see one person yawning, and that makes you need to yawn. But does your yawning make your dog sleepy? Read on to see how the numbers can add up quickly – and try not to yawn!

Even Better Than a Purple Bear

December 28, 2017 4:00 pm

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Most teddy bears are brown. So what’s more exciting than the occasional purple or blue stuffed bears? A real life white bear – the polar bear! Polar bears are huge. Just how huge? Read on to find out the numbers on these fluffy friends.

Because Robots Love Toys, Too

December 27, 2017 4:00 pm

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The Rubik’s cube is a fun puzzle that people have been solving for decades. So why not let robots have some fun with it, too? Read to see how fast a robot can solve this famous puzzle, and unscramble the layers of math in this Rubik’s-cubing robot!

Traffic Cops for Planes

December 26, 2017 4:00 pm

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Ever wonder how many airplanes are flying above you and just how they know where to go when they land and takeoff? Read on to discover the high-flying math in directing airplane traffic!

Tale of Two Snowflakes

December 25, 2017 4:00 pm

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You’ve probably heard that all snowflakes have 6 equal sides, and that no 2 snowflakes look the same. Is that all true? Read on to find out – and do the sums in snowflakes!

Bigger Stocking, Bigger Gifts

December 25, 2017 3:59 pm

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On Christmas, Christians celebrate the birth of Jesus here on Earth by giving gifts, and by waiting for Santa Claus to show up and fill their stockings with even more presents. But why stockings? Read on to find out, and do the math on the world’s largest Christmas stocking!

Stretch That Song to the Sky

December 24, 2017 4:00 pm

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If you’d like to play an instrument that’s bigger than you are, try the harp. If you’d like to play an instrument that’s A LOT bigger than you, try the Earth Harp! Read on to find out about this 700-foot harp that Bedtime Math fans Sophie and Ian G. told us about – and play along with the math in music.

Roller Coaster through Your Kitchen

December 23, 2017 4:00 pm

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How would you like to run a roller coaster right through your home? It could start at any high spot, run through bedrooms and the kitchen, and pop out the front door. Someone actually built a coaster like this as a way to sell a house. Read on to see how one Dutch realtor crunched the numbers to create the most fun way to tour a house in style.

The Biggest, Bestest Battery

December 22, 2017 4:00 pm

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Bedtime Math fan Elsie H. asked us a great question: how much energy does an electric car need to drive 1 mile? Read on to find out, and power up the math behind electric cars!