Discovering Discovering Parallelograms Parallelograms

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$By: Melissa Hanel Math B/Grade 11 5 Day Unit Plan Technologies ...$

Summary: Including your lab. findings (and previous knowledge about parallelograms), list as many attributes or properties of a rhombus as possible below. Be specific! 20
Day #2: Now that you have constructed a rhombus, try to answer the following questions: • What is the definition of a rhombus? • How are the diagonals of a rhombus related? • What special triangles do you see on your constructed rhombus? • What kind of triangle congruencies do you see? (Be specific!) • How is a square related to a rhombus? • How do you think the diagonals of a square are related? Sketchpad directions: #1. Construct square ABCD. Does it have the properties of a rhombus? Measure the diagonals and angles to verify. What other special properties does it have? Make as many conjectures as possible about your square (include angles, diagonals, and triangles formed). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ _____________________________________________________________ #2. Check your conjectures by measuring the angles, diagonal segments, etc.. Then summarize your findings. 21
Page 1 and 2: Discovering Parallelograms by Mary
Page 3 and 4: G.R.P.9 Apply inductive reasoning i
Page 5 and 6: III. Trapezoids 1. Properties a. ba
Page 7 and 8: POLYGON ACTIVITY I. INTERIOR ANGLES
Page 9 and 10: II. EXTERIOR ANGLES: Triangle ∠6
Page 11 and 12: IV. Assignment: pg. 415, problems #
Page 13 and 14: 12. Hide the original lines: F5Ψhi
Page 15 and 16: 8. Construct diagonal BC (follow th
Page 17 and 18: • Each student will construct and
Page 19: #9. Measure and record the length o

Discovering Discovering Parallelograms Parallelograms

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