Classifying, Exploring, Constructing & Defining QuadrilateralsDue to the hierarchical structure of the investigations, with each one building on the preceding ones, it is advisable to do the investigations in the order in which they appear below. Suggested Grades are indicated. Investigation 1: Classifying Quadrilaterals Visually by Dragging (Grades 1-7) Investigation 2: Exploring the Properties of (some) Quadrilaterals (Grades 4-9) Investigation 3: Constructing Quadrilaterals (Grades 7-10) (New) Investigation 4: Defining Quadrilaterals (under construction) Modified by Michael de Villiers, 31 May 2013 at profmd@mweb.co.za |