Property Lists for Quadrilaterals
This Property Lists for Quadrilaterals lesson plan also includes:
Students establish classifications of shapes by various properties (angles, sides, etc.). They introduce the important properties of common shapes. Students develop an awareness of the wide variety of ways the 2-D shapes can be alike.
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Investigating Properties of Parallelograms
Given different parallelograms, geometers make conjectures about their properties. They then work in small groups to prove (or disprove) their conjectures. The activity provides many opportunities for making conjectures and critiquing...
7th - 10th Math CCSS: Designed
Investigating Properties of the Diagonals of Quadrilaterals
Tenth graders investigate quadrilaterals. In this geometry lesson plan, 10th graders investigate the properties of the diagonals of quadrilaterals. The dynamic nature of Cabri provides opportunity for conjecture and verification. The...
New Review Geometrica Fights Back
Who killed the Circular family? Learners tackle an unsolved murder of the Circular family. Given a list of descriptions of the culprit, pupils narrow down their list of suspects to find the killer. The descriptions involve properties of...
9th - 12th Math CCSS: Designed