Take a Walk with a Fish

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.

Take a Walk with a Fish

December 6, 2018

People walk, fish swim…it all makes sense, right? Well, it turns out fish can walk, too. As our friend Michael B. just shared, scientists deep under the sea found a fish walking on the ocean floor. It’s called a pink frogmouth, and as you see in the video, it uses its fins like feet. They live between 600 and 1,000 feet below the surface. It’s not the cutest fish, but you have to admit, it has skills.

Wee ones: Take a step with your left foot. Now take a step with your right! How many steps have you taken?

Little kids: If the fish walks with 2 funny fins in front and 2 funny fins in the back, how many fins does it use?  Bonus: If it takes a step with a front fin, then a back fin, then a front fin, then back to repeat, which kind of fin takes the 11th step?

Big kids: If you can swim down 100 feet each minute, how many minutes would it take you to reach a fish 800 feet deep? (And yes, you have an air tank!)  Bonus: How many more minutes would it take to swim down 1,000 feet to catch another frogmouth?

The sky’s the limit: If the frogmouth takes 20 teeny steps for each of yours as you “walk” together, how many steps do you take if the fish has taken 1,900 more steps than you have?












Wee ones: 2 steps.

Little kids: 4 fins.  Bonus: A front fin.

Big kids: 8 minutes.  Bonus: 2 more minutes, since the new trip would take 10 minutes total.

The sky’s the limit: 100 steps. The fish takes 19 more steps than you on each of yours, and 1,900 has 100 of those “sets.”

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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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