Permutations for Kids: Why Every Card Shuffle Is Brand New

Have you ever heard of a math puzzle so mysterious that famous artists hid it in paintings and giant turtles carried it on their backs? Welcome to the incredible world of magic squares! These aren't just ordinary boxes of numbers. In a magic square, every single row, column, and diagonal adds up to the exact same secret number! Join Mira and Finn as they travel back in time to ancient China, where a legendary giant turtle climbed out of a rushing river with a magical pattern of dots on its sh...

Have you ever noticed that weird little symbol on your phone's battery or your weather app? The percent sign (%) is everywhere, but what does it actually mean? Join Mira and Finn as they uncover the invisible mathematical superpower hiding in plain sight! You'll travel back over two thousand years to Ancient Rome, where Emperor Augustus created a special rule called the "centesima" to collect exactly one out of every hundred items sold at massive, chaotic auctions. Discover how thinking "out ...

Have you ever wondered how you might be connected to a baker in Peru or a fisherman in Japan? It sounds like magic, but it is actually math! In 1929, a Hungarian writer named Frigyes Karinthy came up with a wild idea: that every single person on Earth is connected by just a few invisible handshakes! Decades later in 1967, an American scientist named Stanley Milgram decided to test this theory in real life. He asked people in the middle of the United States to mail folders to a specific stockb...

Have you ever played a game of Battleships, looked at a secret pirate treasure map, or watched a little red pin drop on a smartphone map? If so, you have used coordinates! But what exactly are they, and who invented this amazing invisible grid? Join Mira and Finn as they uncover the magic of the Cartesian grid!

Imagine you are a Roman general holding a piece of parchment, but all the words are a completely jumbled mess! Did the messenger drop it in a puddle? No! You are holding a top-secret message locked by Julius Caesar himself! Join Mira and Finn as we travel back two thousand years to Ancient Rome to uncover the amazing mathematical secret behind the famous Caesar shift. Discover how sliding the alphabet over by just three letters created a giant game of hide-and-seek between clever code-makers ...