Pythagorean Mistakes

Consider the math mistakes¬†below. Not real samples of student work (for that, go here), but real mistakes. I’ve seen each one. I think you’ll recognize them.



Answer questions 1 and 2.

1. What math mistake did each student make?

2. What are some implications for our work?

Good. Now answer questions 3 and 4.

3. What role did memorization of the times table play?

4. What are some implications for the conversations we could be having?