13. Thirteens

Source: NRICH Maths – Elevenses Why did we choose this problem? Good Play With Your Math problems: involve some sort of “play” before choosing a specific strategy. have a low floor (accessibility and entry point) have a high ceiling (need for more complex mathematics) have a succinct, accessible, intuitive wording and visualization This problem meets … Continue reading 13. Thirteens


On the first day of school, I gave my students notecards with their table number. On that card, I asked for their name, 2 examples of everyday problems, and 2 examples of everyday creativity. I gave minimal guidance about what an "everyday problem" or "everyday creativity" is. I took the results and turned them into … Continue reading Everyday