Monday, October 18, 2010

"The grand thing is to be able to reason backwards." Arthur Conan Doyle

Today we embarked on our study of proofs.  In some ways it was painstaking, but in other ways, energizing, as I saw students struggle to make sense of what we were doing (and why), and then to see them understand the sequence of reasoning.  Not everyone was convinced of the value of the exercise on this first day, but the tenacity with which many stuck with it was impressive.  I think this will be a very good year for Proof at HSGC.

Do a little research on proof on line, and share a little bit about it with us below - perhaps the history of it, or how and why it is used as a discipline in math, why do we continue to study proof?

Friday, October 8, 2010

Polygon Lesson

Polygons Fall 2010                                                                   

Compound Statements Graphic Organizer

Conditional Statements Graphic Org