Proving Theorems about Quadrilaterals

Click here to print all of the worksheets for this unit.

5.1 The Polygon Angle-Sum Theorems

(1) Knowre 6-1 Introduction to Polygons

(2) Knowre 6-3 Angles of Polygons

(3) Math XL 5.1

(4) Page 29 (Joke #23)

Notes with Mrs. G: Polygon Sum Theorem Investigation, Exterior Angle Applet

5.2 Properties of Parallelograms

(1) Knowre 6-2 Parallelograms

(2) Math XL 5.2

(3) Page 34 (Joke #28)

5.3 Proving that a Quadrilateral is a Parallelogram

(1) Knowre 6-4 Test for Parallelograms

(2) Math XL 5.3

5.4 Properties of Rhombuses, Rectangles, and Squares

(1) Knowre 6-5 Rectangles

(2) Math XL 5.4

(3) Page 35 (joke #29)

(4) Enrichment 6-1

Quiz 5.1 to 5.4

5.5 Conditions for Rhombuses, Rectangles, and Squares

(1) Knowre 6-6 Rhombuses and Squares

(2) Math XL 5.5

5.6 Trapezoids and Kites

(1) Knowre 6-7 Trapezoids and their Midsegments

(2) Knowre 6-8 Kites

(3) Math XL 5.6

(4) Joke #26

(5) Enrichment - trapezoids and kites

5.7 Applying Coordinate Geometry

(1) Math XL 5.7

5.8 Proofs Using Coordinate Geometry

(1) Math XL 5.8

(2) Enrichment - applying coordinate geometry

(3) Enrichment 6-6

Summative:

(1) Math XL Test on Unit 5