9. Four Fours

I meant to blog about this problem about 10 months ago, but better late than never. Highlight: We got student-supplied answers for 1-100. Lowlight: Those 100 answers did not come from 100 different students. In fact, one student was able to come up with about a third of them himself. We got some but not nearly … Continue reading 9. Four Fours


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

This Year, I’m Excited to Try …

1. Dan Meyer's 5, 4, 3, 2, 1 ... strategy to earn students' attention Getting students' attention in order to transition from group/individual work to whole-class discussion is a classroom management problem that's been bugging me for two years. I've seen and rejected several solutions to this problem because I didn't think I could pull them off; I fear … Continue reading This Year, I’m Excited to Try …