Ms. Liefland @ Harper Junior High: Semester 2: Week 1 Geometry

Wednesday, January 23, 2013

Semester 2: Week 1 Geometry

Wednesday - 1/23

Introduction to Proofs!
HW: 7-46 and 47

Thursday - 1/24
7-49, 52, 56

Friday - 1/25

2 Proofs in class: 7-63 and 65
7-61 independent practice

Friday's (1/25) Notes can be downloaded here: https://dl.dropbox.com/u/40810525/REASONS%20TO%20USE.docx
These are some REASONS that we collected that can be used to prove various things

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Quote Wall

The mathematician's patterns, like the painter's or the poet's must be beautiful; the ideas, like the colors or the words must fit together in a harmonious way. Beauty is the first test: there is no permanent place in this world for ugly mathematics.

- G. H. Hardy (1877 - 1947), A Mathematician's Apology, Cambridge University Press, 1994.

"Legend has it that the Pythagorean philosopher Hippasus used geometric methods to demonstrate the irrationality of while at sea and, upon notifying his comrades of his great discovery, was immediately thrown overboard by the fanatic Pythagoreans."

It seems to me now that mathematics is capable of an artistic excellence as great as that of any music, perhaps greater; not because the pleasure it gives (although very pure) is comparable, either in intensity or in the number of people who feel it, to that of music, but because it gives in absolute perfection that combination, characteristic of great art, of godlike freedom, with the sense of inevitable destiny; because, in fact, it constructs an ideal world where everything is perfect but true.

- Bertrand Russell (1872-1970), Autobiography, George Allen and Unwin Ltd, 1967, v1, p158

Gauss: You have no idea how much poetry there is in the calculation of a table of logarithms!

-Jane Muir, Of Men & Numbers, Dover, 1996.