Building Thinking Classrooms in Mathematics, Grades K-12: 14 Teaching Practices for Enhancing Learning (Corwin Mathematics Series)

by Peter Liljedahl

1. how long (in seconds) it took them to start talking about the problem, 2. how long (in seconds) it took them to make their first mathematical notation on whatever workspace they were assigned to, and 3. how long (in minutes) they were willing to keep working without the teacher needing to encourage them to keep going.

Persuasive epistemic