I’m guessing this was about 5 years ago. I was at an all-day workshop when a high school math teacher, sitting next to me, asked about the PoW (from mathforum.org) that I had assigned to my students. I happened to have an extra copy in my backpack and gave it to her. Dad’s Cookies [Problem #2959] Dad bakes some […]

- Visual Patterns
- Math Talks
- 180 Days of Math at Mesa
- Between 2 Numbers
- Math Arguments 180
- Estimation 180
- Dan Meyer's 3-Act Math Tasks
- Andrew Stadel's 3-Act Math Tasks
- Robert Kaplinsky Lessons
- Nathan Kraft's Virtual Filing Cabinet
- Sam Shah's Virtual Filing Cabinet
- Mathalicious Lessons
- Math Munch
- Yummy Math Lessons
- Desmos Classroom Activities
- Graphing Stories
- Math Mistakes
- 101 Questions
- Would You Rather
- Open Middle
- Which One Doesn't Belong?
- Fractions Talk