Author Archive

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Bull’s-Eye!

July 21, 2018 4:00 pm

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Today is the final day of Archery at the Olympics.  In this dramatic sport, the archers draw back their bows and launch arrows into the air at about 150 miles an hour, while the rest of us scramble to get out of the way.  Their target is a flat circle 77 yards away (where a yard is 3 feet) ringed with 10 colorful concentric circles.  Of course, the closer to the center you hit, the more points you get: the gold circle in the middle fetches 10 points, the next circle around it scores 9, and so on until the white ring on the edge, worth just 1 point.  The better your aim, the faster those numbers add up.

Tower of Water

July 20, 2018 4:00 pm

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When you turn on the faucet, have you ever wondered where that water comes from? Or why it sprays out so fast? Water comes from many places, but...

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Paper by the Pound

July 19, 2018 4:00 pm

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Bedtime Math fan Ruby W. asked us, how much paper do we use? When you think about everything that’s made of paper, the amount stacks up! Read on to do the math on paper, and see just how much you can do by recycling it.

3, 2, 1, Blast-Off!

July 18, 2018 4:00 pm

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It’s hard work to lift things, especially when they’re heavy. So just imagine how hard a rocket has to work when it’s blasting into space and carrying thousands of gallons of fuel! Read on to get carried away with spaceship math that’s out of this world.

What Does the Dolphin Say?

July 17, 2018 4:00 pm

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Bedtime Math fan Mia G. asked us, how far does a dolphin’s sound travel? Read on to find out, and make some noise with the super speedy dolphin sound math!

Three Sheets to the Wind

July 16, 2018 4:00 pm

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You can do lots of things with a blank piece of paper, including making a world record-setting paper airplane! Read on to soar with the math and numbers in these classic creations.

Climbing the Walls

July 15, 2018 4:00 pm

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Bedtime Math fan Calvin T. asked us, why is there scaffolding around new buildings? Read on to find out the answer, and climb high with the math!

Flinging Your Food – with a Little Help

July 14, 2018 4:00 pm

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What is going on in this crazy video? Why are there little people skiing around people’s dinner plates? This video, sent by our fan Emily B., shows a restaurant...

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How to Sing with a Whale

July 13, 2018 4:00 pm

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Did you know that bats and elephants make sounds we can only hear with special machines? And whales sing whole songs we can’t hear. Read on to discover the math in whale songs, and swim through the numbers behind these singing sea creatures!

Wild World of Words

July 12, 2018 4:00 pm

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Bedtime Math fan William B. asked us, how many words are there in the world? Read on to find out, and do the math where numbers and words collide!