Here’s a simple number game to play on a rainy day, or while sheltering in place. You and I take turns crossing out numbers from the list {1, 2, 3, …, 9}. The winner is the last person to cross out a ...

Ms. Knarr will guide students in looking and making numerical patterns. In this lesson, Ms. Knarr will guide students in looking and making numerical patterns. / Julia Knarr, The Soulard School / ...

Brain teasers and visual puzzles have become a favourite pastime on social media platforms like X (formerly Twitter), Instagram, and Facebook. But beyond entertainment, these little challenges help ...

Montgomery happened to find strikingly similar behavior in the prime numbers— specifically, the correlations between the ...