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When You’re Stuck in the Sand
July 11th, 2021

Longtime Bedtime Math fan Sophia Y. asked us, how many sand particles would it take to cover a person? Sand particles are really tiny, so they add up fast! Read on to find out, and do the math on this super sandy question.

Race Against the Waves
January 8th, 2020

Bedtime Math fan Elena S. asked us, how many footprints can a person make before they’re washed away? Read on to find out, and step up your math game on footprints!

What Does a Billion Grains of Sand Look Like?
November 18th, 2015

Bedtime Math fan Jay A. asked how many grains of sand are in a sandcastle. Turns out there’s a big difference between a teeny tiny sand castle and a huge one. So just how tiny is the smallest sandcastle? And how many grains of sand are in a normal-sized sandcastle? Read on to dig up the answers and do the sums in sand!

Puff Daddy
August 24th, 2014

We humans love to build sandcastles, but we aren’t the only ones. Click “Read More” to see what other animals enjoy a good sandcastle, and do some underwater math!

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