In Erin Bryan’s 5th grade math classroom, TGIF takes on a whole new meaning. Fridays don’t just herald the coming weekend. They’re also game days. “They all come in here on Fridays pumped,” said Bryan ...

Jack Murtagh is a freelance math writer and puzzle creator. He writes a column on mathematical curiosities for Scientific ...

Gather ’round children! Today we are going to learn about one of the coolest fields of study: math. “But numbers are boring!” I’m sure you’ll say. They are on their own, yes, but what about when those ...

Jovan built these five houses of cards using a total of exactly 90 playing cards. Now he wants to build one large house consisting of exactly 100 cards. Can such a house of cards exist? The number of ...

One morning my preschooler walked into the kitchen wearing a colorful outfit and shouted, “ladies and gentlemen, this way to ...