‘Daily Routine’

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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!

Because Dogs Like to Eat Out, Too

July 1, 2014 4:00 pm

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It’s fun to eat at a restaurant, since each person can choose anything he’d like from the menu. And that matters a lot if your dog is coming along, too. At some restaurants in the U.S., there’s no need to bring home a doggy bag for your pooch – they’re allowed to come with you. Click “Read More” to chew on some numbers behind these doggy dinner hot spots.

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.

Where Kids Outscore the Grown-ups

June 7, 2014 4:00 pm

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Have you ever wondered how far you walk every day? And how many steps you take to go that far? You can find out exactly how many steps you take by wearing a pedometer. Click “Read More” to do the math and be surprised at how your steps really add up during the day!

Toilet Paper for All

June 5, 2014 4:00 pm

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Charmin, the toilet paper maker, has decided to give away toilet paper as a gift, in case people need it. So a dump truck with thousands of rolls of Charmin toilet paper is driving around the U.S. and handing out free toilet paper in towns along the way. Click “Read More” to get on a roll and do the math!

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!

Grouchy Birthday, Oscar!

June 1, 2014 4:00 pm

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Today is Oscar the Grouch’s birthday – he turns 45 years old! And what better way to celebrate than with some fun facts and math about this lovable grouch and trash! Click “Read More” to do the math.

Your Underwear, and *Bedtime Math book 2!*

February 10, 2014 4:00 pm

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First, a fun announcement: The second Bedtime Math book is coming, with all-new wacky math…and it’s kicking off with a big party for you! Bedtime Math 2: This Time It’s Personal launches March 11, and to celebrate we’re throwing a nationwide Glow-in-the-Dark Geometry Party that week at bookstores across the U.S. Kids will build giant geometric shapes out of glowsticks, then flick off the lights to see them shine. Over 130 stores in 41 states are taking part, and New York-area parties will have Laura there in person to read to the kids and sign books. Check the list here to find a party near you!

With that, let’s have a sneak preview from the book.

Underwear is that strange piece of clothing where no one sees it on us, but we still care what it looks like. We don’t want to wear underwear that’s goofy-shaped, or full of holes, or decorated with a cartoon character we haven’t liked in 3 years. That’s why things turn desperate when the laundry hasn’t been washed in a few days and we run out of underwear. How many pairs do we need to get through the week — and if we run out, how many people are we willing to tell?

Happy Birthday, iTunes!

April 28, 2013 3:00 pm

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Today is the 10th birthday of iTunes, the online store that lets you buy songs, movies, apps for your smartphone, videos…all kinds of stuff that you can enjoy on your phone or computer. Before iTunes, the only way we old-timers could buy songs was on something you could hold in your hand, like a CD, a tape cassette or a vinyl record. Or you could get songs electronically from various illegal websites, which was exciting but felt icky. So the idea that you could get onto your computer, buy any song you wanted (legally), and get it within seconds was mindblowing. iTunes opened with just 200,000 songs on it, all priced at 99 cents, and within just one week they had 1 million song downloads. As of today, iTunes has sold over 15 billion song downloads from a collection of 26 million different songs. Let’s just say, it takes far more than one person to listen to it all.