I heavily skimmed the middle parts of this book when I bought it in May 2012. [Thanks to Christopher Danielson for recommending it.] I’m re-reading some parts now, and the sub-section Teaching Number Sense [pages 124 – 128] resonates with me, not just in elementary school mathematics, but in K-12 mathematics. If my hypothesis is correct, innumeracy is with […]

- 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