Traveling toward Proof
Timothy Craine, Rheta Rubenstein
April 2000, Volume 93, Issue 4, Page 289
We have found that the extended metaphor of Aristotle Airlines is extremely helpful in supporting students' construction of proofs. It fits well with both flow and two-column forms, and it acts as a stepping-stone to paragraph proofs, as well.
Geometry & Measurement
Skill and Fluency
Reasoning and Proof