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# Geometric Construction Review

Lesson 11 of 13

## Objective: SWBAT demonstrate knowledge of constructions through review

#### Do Now

*5 min*

As students walk in the room, I have them write descriptions of the undefined terms "point," "line," and "plane." This is a review from the first lesson in the unit. After about three minutes, we discuss their descriptions and why the terms are called "undefined." This leads students into the next section where they practice various constructions.

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#### Activity

*35 min*

Students review and practice the various constructions from throughout the unit. Since we have already spent time on the constructions, we do not go over them together, unless students need a refresher. The majority of students are able to perform the constructions without my help. When students do need help, I pair them with another student who is able to help his or her partner with the construction. Additionally, I have the students refer back to their notes to help them when they are stuck.

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#### Summary

*5 min*

At the end of the lesson, we go over the worksheet. I ask a few students to show their constructions on the document projector. We discuss the accuracy of the constructions and correct any errors the students have made.

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- UNIT 1: Preparing for the Geometry Course
- UNIT 2: Geometric Constructions
- UNIT 3: Transformational Geometry
- UNIT 4: Rigid Motions
- UNIT 5: Fall Interim Assessment: Geometry Intro, Constructions and Rigid Motion
- UNIT 6: Introduction to Geometric Proofs
- UNIT 7: Proofs about Triangles
- UNIT 8: Common Core Geometry Midcourse Assessment
- UNIT 9: Proofs about Parallelograms
- UNIT 10: Similarity in Triangles
- UNIT 11: Geometric Trigonometry
- UNIT 12: The Third Dimension
- UNIT 13: Geometric Modeling
- UNIT 14: Final Assessment

- LESSON 1: What is Geometry?
- LESSON 2: Geometric Terms
- LESSON 3: What are Geometric Constructions?
- LESSON 4: Bisecting Angles
- LESSON 5: Constructing Parallel Lines
- LESSON 6: Constructing Triangles
- LESSON 7: Constructing Inscribed Regular Triangles, Quadrilaterals and Hexagons
- LESSON 8: Introduction to Constructions with Geometer's Sketchpad
- LESSON 9: Constructing Quadrilaterals using Geometer's Sketchpad
- LESSON 10: Constructing Regular Polygons Inscribed in Circles using Geometer's Sketchpad
- LESSON 11: Geometric Construction Review
- LESSON 12: Geometric Constructions End of Unit Assessment
- LESSON 13: Geometric Constructions Assessment Error Analysis