Quadrilateral Properties Chart
Tenth graders investigate quadrilaterals. In this geometry activity, 10th graders organize and summarize the properties of quadrilaterals as they identify which quadrilaterals have which properties.
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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, 10th graders investigate the properties of the diagonals of quadrilaterals. The dynamic nature of Cabri provides opportunity for conjecture and verification. The...