## Rigid Motions and Congruence Unit Test Part 2 (Version A) - Section 2: Unit Quiz

*Rigid Motions and Congruence Unit Test Part 2 (Version A)*

# Rigid Motion and Congruence Unit Quiz

Lesson 16 of 17

## Objective: SWBAT describe the result of a rigid motion and use precise transformations to analyze the symmetry of a polygon. Students will understand the properties of rigid motions and how they are related to the concepts of congruence and symmetry.

*53 minutes*

#### Lesson Open

*8 min*

The warm-up prompt for this lesson asks students to describe the transformations that carry a rectangle to itself. The warm-up follows our Team Warm-up routine. I choose students at random to write the team's answer on the board.

I ask the class to look at the drawings each team has made on the board. This is an opportunity to point out careless errors or omissions that will needlessly cost students points on the quiz.

I display the Agenda and Learning Targets for the lesson. Today is the unit quiz.

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The lesson close follows our Individual Size-Up Routine. The prompt asks students how they thought they did on the quiz and what was the most difficult part? I use their responses to see how students are feeling at the end of the unit.

**Homework**

I normally like to assign review problems for homework following a quiz. Since this unit ran right up to Thanksgiving Break, I assigned no homework. There are some extra problems at the end of Rigid Motions and Congruence Homework Set 2 that could be assigned. Problem #18 previews the proofs of the Corresponding Angles and Alternate Interior Angles Theorems that begin the next unit.

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- UNIT 1: Models and Constructions
- UNIT 2: Dimension and Structure
- UNIT 3: Congruence and Rigid Motions
- UNIT 4: Triangles and Congruence
- UNIT 5: Area Relationships
- UNIT 6: Scaling Up- Dilations, Similarity and Proportional Relationships
- UNIT 7: Introduction to Trigonometry
- UNIT 8: Volume of Cones, Pyramids, and Spheres

- LESSON 1: Previewing Congruence and Rigid Motions
- LESSON 2: Congruence and Coincidence
- LESSON 3: Re-Discovering Symmetry
- LESSON 4: Perfect Polygons
- LESSON 5: Bisector Bonanza
- LESSON 6: The Shortest Segment
- LESSON 7: From Perpendiculars to Parallels
- LESSON 8: Reviewing Congruence
- LESSON 9: Re-Examining Reflections
- LESSON 10: Reconsidering Rotations
- LESSON 11: Taking Apart Translations
- LESSON 12: Visualizing Transformations
- LESSON 13: Reasoning About Rigid Motions
- LESSON 14: Analyzing the Symmetry of a Polygon
- LESSON 15: Reviewing Rigid Motions
- LESSON 16: Rigid Motion and Congruence Unit Quiz
- LESSON 17: Describing Precise Transformations