Work with Multiples of 10

From Baskets to Hoops
March 23rd, 2023

March Madness is hitting high gear, with Sweet 16 games tonight. But did you know basketball hasn’t always been played with an orange bouncy ball? The game used to be played with a soccer ball until the basketball was invented in 1894. And that’s not all, before basketball hoops were invented, the game was played […]

How to Mail a Coconut
February 17th, 2023

When you go to the post office, you can mail lots of different things just by putting them in a box and putting stamps on them. But at one post office in Hawaii, you can smack some stamps right on a coconut and send it to a friend – no box required! Read on to see how the postage and fun add up when you go nuts mailing coconuts.

Super-Sized Snowflakes
February 5th, 2023

Snowflakes are beautiful, but it’s hard to see exactly what they look like. One photographer figured out how to take close-up pictures of them, though – and you can see all the shapes, patterns, and math in them. Read on to discover the beauty and math in Mother Nature’s snowflakes!

“Canstruction”
January 22nd, 2023

Canned food isn’t just for eating. Each year, people get together and build cool-looking statues out of them for an event called “Canstruction.” Read on to do the building math in playing with your (canned) food.

Swimming with Killer Whales
January 20th, 2023

Imagine floating on the ocean and having a giant killer whale swim right under you! That’s what happened to one guy in California. At 30 feet long and with a fin that’s 6 feet high, these gentle giants are full of math. Read on to go big with the killer whale math.

Messed-up Pennies
December 3rd, 2022

Pennies are always only worth 1 cent…right? Not all of them. Read on to crunch the numbers behind messed-up money and how that makes some pennies more valuable than others!

The Race to Eat 100 Plates
November 25th, 2022

The holiday eating season is just getting started, which may be why our friend Charlize C. asked, how long would it take to eat 100 plates of food? Well, that depends on both the food and the person eating it. Competitive speed-eaters can eat 13 grilled cheese sandwiches in just 1 minute. *IF* they could eat […]

Going Batty
October 30th, 2022

Bats may look a little weird and scary, but they’re pretty neat animals that help us out more than we may know! Read on to go batty with the math behind these cool creatures.

Lady with a Big Foot
September 30th, 2022

The tall, green Statue of Liberty is known all around the world. But do you know just how big she is? The answer might surprise you – so read on to find out the numbers behind this large, lovely Lady!

The Tortoise That (Almost) Beats the Hare
September 16th, 2022

When you think of a speedy animal, we bet you don’t think of turtles or tortoises. But the world’s speediest tortoise might change your mind…or maybe not. Read on to speed through the math and see how fast this four-legged friend is.

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