1. Diagonals in quadrilaterals 11/19/09 EQ: What are the properties of diagonals in quadrilaterals?

2. Review: Parallel? Perpendicular? Diagonal? Line of Symmetry?

3. Review: Look at diagonal figures in Venn from yesterday

4. Review: Which ones have diagonals that are perpendicular to a side?

5. Review: Which ones have diagonals that are parallel to a side?

6. Hand out blank paper. Fold in sixths. In each section, draw:

7. Parallelogram Trapezoid Square Rectangle Rhombus

8. Hand out charts. Read headings for columns. What goes in column one? Fill it in.

9. What does the word bisect mean? Cut exactly in half. Look at figures and do the predict columns 2, 4, 6.

10. Hand out rulers and measure sides and diagonals for columns 2, 5, 7. Record data. Be prepared to share

11. Answer questions at bottom of sheet.

12. EQ: What are the properties of diagonals in quadrilaterals?