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Bedtime Math Superfan

How to Share Hundreds of Cookies
December 18th, 2020

We are loving this picture from our cookie-baking fans Avery and Mia S. It’s perfect for National Bake Cookies Day, which is today! Who baked the first ever cookie, by the way? It turns out they happened almost by accident: to test the oven. People would drip cake batter onto a pan and stick it […]

Cookies for Your Pet Grasshopper
October 28th, 2020

We know that bugs like to eat our people food: just go on a picnic and watch the ants sneak up on you. So our fan Joey K. asked a great question: how fast could a grasshopper eat a cookie? Well, if grasshoppers like cookies as much as ants do, we can figure this out! […]

Your Very Hungry Vacuum Cleaner
October 27th, 2020

Have you ever lost a coin or a shoelace into a vacuum cleaner? How does the vacuum suck it up like that? The machine has a really strong fan spinning inside. Instead of blowing air out at you, it pulls air — and dirt, and Lego, and little fuzzies from your sweater — up into […]

Hang Onto That Party Balloon!
April 2nd, 2020

If you let a balloon go, how high can it float? Reach new heights with this story starring a Bedtime Math Superfan!

Hand It Over!
March 24th, 2020

When you do one simple thing, like flicking a light switch, your body is actually doing tonsof things. Your eyes and brain have to work together to send your hand to the right spot. And your hand isn’t one thing, but a crazy connection of muscles, bones, and tendons. Our friend Maggie K. wanted to know: […]

Two Peas a Day Keeps the Dentist Away
March 12th, 2020

OK, this is WAY more toothpaste than you need to brush your teeth. But what’s the right amount? And as our fan Maggie H. asked, how many squeezes can you get from one tube? Dentists say to use a blob the size of a pea, which comes to about 1/100th of a fluid ounce. So for every […]

Hang onto Your Hair!
January 5th, 2020

If a cat earned a dollar for every hair it shed, how much money would the kitty have at the end of 1 year? Read on to do the hairy math!

How Far Can You Reach?
October 26th, 2018

Have you ever held hands in a long line? How far did you all stretch? Our fan Lily J. asked, if everyone in the U.S. held hands, how long would that line be? We can use a very cool body math fact to figure this out: your arms stretch across about the same distance as […]

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