Wednesday, January 17, 2007
Geometry (Class 42)
Overview
In previous classes we have developed and proved various properties of parallelograms as well as reviewed the names, properties, and definitions of various convex quadrilaterals. In this lesson we will turn our attention to the diagonals of quadrilaterals and see what we can uncover.
Textbook Sections
§6.5 (Txt. p.356) Trapezoids and Kites
§6.6 (Txt. p.364) Special Quadrilaterals
Key Attitudes
Mathematics can be a tool for investigating and uncovering facts.
Investigating requires creativity and persistence.
If you don’t first succeed, try, try again.
Key Ideas
The diagonals of quadrilaterals possess unique cahrateristics.
Key Skills
Identifying quadrilaterals from given information (ex: a quadrilateral with 4 right angles is a _____.)
Making and testing conjectures.
Vocabulary
Sufficient
Necessary
Handouts
Chapter 6, Lesson 3: Diagonals of Quadrilaterals
Chapter 6 Test A
Assignment
Finals Exam Review- Chapter 5
Chapter 6 Test A