Juggling Act

Here's your nightly math! Just 5 quick minutes of number fun for kids and parents at home. Read a cool fun fact, followed by math riddles at different levels so everyone can jump in. Your kids will love you for it.

Juggling Act

February 23, 2019

Have you ever tried to juggle? Maybe you’re already a pro at it, or maybe you’re wondering how jugglers can catch so many flying objects with just two hands. So here’s a number you’ll like to hear: there are just 3 basic ways to juggle that you need to learn. In the “cascade,” an odd number of balls crisscross in the air. In the “fountain,” each hand juggles the same number of balls straight up and down. Finally there’s the “shower,” where the balls fly around in a circle. Try the math below and see which way sounds hardest!

Wee ones: If you juggle a shoe, a phone, a pineapple and a stuffed animal, how many items are you juggling?

Little kids: If you’re juggling 5 grapefruits and each hand can hold 1 at most, what’s the fewest grapefruits in the air at any time?  Bonus: How many watermelons would you have to add in to juggle 2 separate 4-fruit fountains?

Big kids: If you juggle 4 carrots and a cucumber in a simple cascade (i.e. always in that order), on what toss do you throw the cucumber for the 4th time?  Bonus: Out of 50 throws, how many will be carrots?

The sky’s the limit: If you’re juggling those 4 carrots and cucumber in a cascade (in that order), and throw the first carrot at 0 seconds, then a new object every 2 seconds, which veggie do you throw at half a minute?










Wee ones: 4 objects.

Little kids: 3 grapefruits, since you can hold only 2 at once.  Bonus: 3 watermelons, to get a total of 8 fruits.

Big kids: On the 20th toss.  Bonus: 40 carrot throws, since 4 out of every 5 will be a carrot.

The sky’s the limit: A carrot. At 30 seconds you will do your 16th throw, since it would have been your 15th IF you hadn’t made your first toss at 0 seconds. That 16th throw is right after 3 complete sets, so it will be a carrot.

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About the Author

Laura Overdeck

Laura Overdeck

Laura Bilodeau Overdeck is founder and president of Bedtime Math Foundation. Her goal is to make math as playful for kids as it was for her when she was a child. Her mom had Laura baking before she could walk, and her dad had her using power tools at a very unsafe age, measuring lengths, widths and angles in the process. Armed with this early love of numbers, Laura went on to get a BA in astrophysics from Princeton University, and an MBA from the Wharton School of Business; she continues to star-gaze today. Laura’s other interests include her three lively children, chocolate, extreme vehicles, and Lego Mindstorms.

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