Author Archive

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A Trillion Dollars in Your Pocket

October 4, 2014 4:00 pm

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Of all the things you can buy, buying trillions of dollars that can’t be spent on anything might be the weirdest. But sure enough, on Amazon and other sites you can buy old money from Zimbabwe, a trillion dollars at a time. Every country has its own unit of money, called currency (dollars in the US, pounds in Great Britain, and so on).

The Ugly Duckling of the Bug World

October 3, 2014 4:00 pm

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Butterflies are beautiful, but most don’t start out looking quite so nice. Take the swallowtail butterfly pictured here for example. In caterpillar form it looks like bird poop so other animals won’t eat it – and that seems to work! Click “Read More” to find out more, and see how the numbers transform in this shape-shifting math.

Heavy Rain That’s Always Dry

October 2, 2014 4:00 pm

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It’s always good if they set up something cool for you to watch at an airport as you’re waiting for the airplane. One airport in Singapore has created a really cool Kinetic Rain sculpture for this reason. Click “Read More” to see it in action, and let the numbers rain down!

When Bread Was Against the Law

October 1, 2014 4:00 pm

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It’s hard to believe, but at one point sliced bread was actually against the law in the United States. Click “Read More” to find out how long that lasted – and do the banned bread math!

When Coins Make Sense

September 29, 2014 4:00 pm

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When we count out money to pay for something, usually we don’t study it very carefully – we just add it up. But money has some cool secrets. Click “Read More” to find out about them, and do the money math!

Who Is Man’s Best BFF?

September 28, 2014 4:00 pm

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What dog do people like the most? Is it the German Shepherd? The Labrador Retriever? Or maybe the Springer Spaniel? Click “Read More” to find out – and dig up the numbers on man’s best friend!

Deep Dive

September 27, 2014 4:00 pm

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On Thursday we talked about breaking world records, and somebody set an amazing one this week. Click “Read More” to find out what record was broken – and dive into the math!

Putting the “Sleep” in “Sleepover”

September 26, 2014 4:00 pm

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If you’ve ever slept over at a friend’s house, you know how hard it is to sleep at these things. It’s just too much fun to be with people you don’t normally see at that time. And even though you’ll fall asleep really late, you might wake up early the next morning anyway, since you’re used to it. Click “Read More” to some sleepover bedtime math!

60 Years of Awesomeness

September 25, 2014 4:00 pm

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If you love a good contest and a chance to win a prize, you might be excited about a new one at Guinness World Records. As of this year they’ve been tracking records for 60 years, and so they’re celebrating their own birthday with a competition. Click “Read More” to find out about it – and see how much math is involved in breaking world records!

Jaws vs. Claws

September 22, 2014 4:00 pm

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If you had to choose between running into a crocodile or a shark, you’d have a tough decision, since you probably don’t want to mess with either one. But what happens when those two animals bump into each other? Click “Read More” to see what happened in real life, and do the math to see what should happen!