Geometric Constructions End of Unit Assessment

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Objective

SWBAT demonstrate their knowledge of geometric constructions

Big Idea

Students will complete an end of unit assessment on geometric constructions.

Lesson Author

Marisa Laks

New York, NY

Grade Level

Tenth grade

Subjects

Math

Construction

Geometry

Constructions and Transformations

Standards

HSG-CO.A.1

Know precise definitions of angle, circle, perpendicular line, parallel line, and line segment, based on the undefined notions of point, line, distance along a line, and distance around a circular arc.

HSG-CO.D.12

Make formal geometric constructions with a variety of tools and methods (compass and straightedge, string, reflective devices, paper folding, dynamic geometric software, etc.). Copying a segment; copying an angle; bisecting a segment; bisecting an angle; constructing perpendicular lines, including the perpendicular bisector of a line segment; and constructing a line parallel to a given line through a point not on the line.

HSG-CO.D.13

Construct an equilateral triangle, a square, and a regular hexagon inscribed in a circle.

MP3

Construct viable arguments and critique the reasoning of others.

MP4

Model with mathematics.

MP5

Use appropriate tools strategically.

MP6

Attend to precision.

Do Now

5 minutes

When the students first come into the room, I give them a few minutes to read through their notes. I also allow them to ask any last minute questions before I hand out the assessment. While the students are reading through their notes, I pass out the the compasses and straightedges. After about five minutes, I tell the students to put away their notes and I hand out the assessment.

Assessment

40 minutes

Geometric Constructions End of Unit Assessment Reflections

Geometric Constructions Assessment Reflection.mov

While students are working on the assessment, I circulate around the classroom to ensure students stay on task and work independently. I answer questions about non-content vocabulary and clarify instructions, but answer little else.

The students have the whole class period to work on the exam. If extra time is needed, I allow them to come back during lunch or after school to complete the exam.

After I grade the assessment, I hand it back to the students and allow them to make test corrections for partial credit. My goal is for the students to learn the concept and correct misconceptions.

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