Why, Why Should I Justify?

Autor: John K. Lannin, David D. Barker, Brian E. Townsend
Rok vydání: 2006
Předmět:
Zdroj: Mathematics Teaching in the Middle School. 11:438-443
ISSN: 2328-5486
1072-0839
DOI: 10.5951/mtms.11.9.0438
Popis: Suppose that in your classroom, as part of an algebraic reasoning unit, students were asked to find a general rule for the Beam Design problem in figure 1. Examine the rules and explanations below to determine those that you would view as acceptable and those that you believe would be unacceptable. Also consider how you would respond to students who provided such explanations.
Databáze: OpenAIRE