Searching for mathematical patterns and assist students in creating their own. In this lesson, Ms. Knarr leads the search for mathematical patterns and assists the students of Teaching in Room 9 in ...

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 ...

Archaeologists working in northern Mesopotamia say they have uncovered visual patterns that look a lot like structured counting, even though no written numerals existed at the time. The claim is bold: ...