Someone just pointed me at a video on YouTube showing an interesting graphical multiplication technique using intersecting lines. Of course, the problem with YouTube is that once you're there, you see ...

Fun math trick: What's the final number? 🔢🤔!!

Unlock amazing math secrets with these fun tricks! 🔢 🧠!!

“Abracadabra, make two more pennies appear!” my daughter said as she shifted the paper plates to magically show three pennies total on the table. Money appearing from thin air is everyone’s dream, and ...