‘History’

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A Truly Magic Carpet

August 16, 2014 4:00 pm

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A flower is beautiful on its own, but when you put it with thousands of other flowers to make a picture, they become even more beautiful. That’s exactly what over 100 people did this week in Belgium. Click “Read More” and do the sweet-smelling math!

Just ZIP It

August 13, 2014 4:00 pm

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When you mail a letter, you tell the post office where it’s going by writing the address: the street name and (building) number, the city, and the state. But big cities handling mail for lots of people have to split it into smaller batches, using ZIP codes. Some people are even important enough to have their very own zip code! Click “Read More” to do the zippy math.

Happy Birthday, New York!

July 26, 2014 4:00 pm

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On this day in 1788, New York became the 11th state in the United States. And it’s a state full of surprises everywhere you turn. Click “Read More” to do the Empire State math!

From Dawn Till Dusk

July 25, 2014 3:59 pm

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Note: As we do for religious holidays, in honor of this month we’re providing a second extra math problem about Ramadan, for those who celebrate or would like to learn more about it. Click “Read More” to do the math. Enjoy!

How Tall Is Tall?

July 16, 2014 4:00 pm

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It’s pretty easy to measure how tall you are: from the floor to the top of your head, no shoes allowed. But it’s a little more difficult to measure buildings: do you count up to the top floor? Or is it to the tippy top of the antenna? Click “Read More” to count your way to the top!

Fill Me Up

July 14, 2014 4:00 pm

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Getting gasoline for your car is pretty easy. But how does the gas get to that hose in the first place? Click “Read More” to find out and do the math behind gas!

Prime Chime Time

June 17, 2014 4:00 pm

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Of all the clocks in the world, the most famous might be Big Ben. It’s also the biggest clock, as you can guess from the name, and rests inside one of the tallest clock towers. All of this adds up for some great math! Click “Read More” and take some time to do the math.

Introducing…the Titanosaur

June 16, 2014 4:00 pm

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Dinosaurs aren’t alive today, which is a huge bummer. But we know a lot about them because we’ve found a lot of their bones. Sometimes those bones give us shocking surprises – like the bone in this photo, found a few weeks ago on a dig in Argentina. To size it up and do the math, click “Read More.”

Picture Perfect

June 9, 2014 4:00 pm

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When people snap a really awesome photo, they want to show it off to everyone, so they share millions photos a day on the Internet. But that couldn’t have happened back in 1826 when the first photo was taken. Click “Read More” to see how far the camera has come and how the photos really start to add up!

How to Have the Most Birthdays

June 3, 2014 4:00 pm

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If you love celebrating your birthday, try living 111 years – lots of birthdays, lots of parties. Maybe that was the plan for Dr. Alexander Imich, who is now the world’s oldest living man. And with that many birthdays, the numbers really start to add up – click “Read More” to do the math!