This happened Thursday. By Friday morning the kids who did “base times height” learned that these numbers didn’t match up with the steepness ranking. They said, “That just gives you area.” So I made these sketches, and hopefully the kids understood why finding area wasn’t the same as finding steepness. Those who did not do “base times […]

- Visual Patterns
- Math Talks
- 180 Days of Math at Mesa
- 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