Symmetry:  The Art of Mathematics				Hillyard/Rasmussen

				Class 3 Outline

I) Nuts and Bolts

	A) Assignment 1:  Great Job !!
	B) Construction Quiz will be on next Monday 4/10/06


II) Last class and assignment 2 discussion

	A) Review of last class
		1) Some geometry properties
			a) Sum of the angles of a triangle
			b) SSS
			c) SAS
		2) Constructions with compass and straightedge
			a) student’s explored constructions
			b) construction of perpendicular to a given point on a given line
			c) construction of perpendicular from a given point 
			to a given line with the given point not on the given line
			d) group exercise as a paired team: I draw given point and given line

		3) Homework problem: Construction of a square: paired teams do, report

III) New constructions

	A) Paired teams again
		1) construct an equilateral triangle
		2) construct the midpoint of a line segment

IV) Break


V) Reconvene in computer room: Share websites found for homework

VI) Reflections

	A) General definition of what a reflection is
	B) Web search for some examples:  students’ report
	C) Discuss how one could make reflections of different types
	D) Experiment making reflections
	E) Share results
	F) Instructor’s comments
		1) a “re-look” at a previous construction with compass and straightedge
		2) the term “a figure admits a reflection”


VII) Final project

	A) Start looking for a team and thinking about a culture that interests you

VIII) Homework
	
	A) Hand out assignment 3 due Wednesday April 5, 2006.