A Lesson Designed Around One Problem—100 ÷ 3

Did I teach an entire division lesson focused on just one problem? Yes! From giving many hundreds of interviews where students solve problems mentally, we’ve learned that solving 100 ÷ 3 is often a challenge. After recently interviewing and hearing two answers for 100 ÷ 3 that I’d never heard before, I taught this lesson. The post A Lesson Designed Around One Problem—100 ÷ 3 appeared first on…