Big-Jumping Bunnies

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.

Big-Jumping Bunnies

May 2, 2017

Horses are great runners and jumpers, and the best ones leap over fences in jumping shows. But a much jumpier animal now does this, too: rabbits! In this video, fluffy bunnies compete in rabbit show jumping. It’s hard to teach rabbits to do this: they aren’t as smart as horses, and have to stay on a leash so they don’t wander away (since they aren’t very smart). Sometimes their human friend has to “re-set” the bunny to a better spot to jump. But the winning bunnies make it over all 12 little hurdles. They also try to jump the highest and the farthest, with the world bunny long-jump record at almost 10 feet! Best of all, when you’re a big kid, you can try running the hurdles or jumping the long jump or high jump, too!

Wee ones: Bunnies have 4 legs. Get down on your hands and knees like a bunny, and pick up your back right leg!

Little kids: The checkerboard hurdle is the 4th one in the course. How many hurdles do the bunnies jump over before it? Bonus: If the 3rd bunny makes it over the checkerboard hurdle, then the 6th bunny, then the 9th, which bunny should make it next?

Big kids: The record-winning rabbit jump was 9 feet 10 inches. How far short of 10 feet is that? (Hint if needed: A foot has 12 inches.) Bonus: If each hurdle is 5 feet away from the next, how far does the bunny run from the 2nd hurdle to the 8th hurdle?

The sky’s the limit: If the bunny has just 5 hurdles left, and jumps only 2 of them, how many possible pairs of 2 hurdles could that be?

 

 

Answers:
Wee ones: Try to find your back right leg!

Little kids: 3 hurdles. Bonus: The 12th bunny.

Big kids: 2 inches short. Bonus: 30 feet.

The sky’s the limit: 10 pairs. There are 4 pairs that include the 1st hurdle (1-2, 1-3, 1-4, 1-5), then 3 new pairs include the 2nd hurdle (2-3, 2-4, 2-5), then 2 more include the 3rd hurdle (3-4, 3-5), and finally 4-5 is the last. So we get 4+3+2+1 = 10 possible pairs.

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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 while still in diapers, 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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