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# Assessment for Sweet Similar Shapes

Lesson 8 of 8

## Objective: SWBAT to show their understanding of similarity by proving the Pythagorean Theorem using similar triangles and applying their knowledge of similarity to real-world problems

*90 minutes*

#### Do Now

*20 min*

Usually the day of a major exam like this, I provide students with an opportunity to review their Practice Test and also their notes in lieu of a formal Do Now. This allows the class a quiet few minutes before we begin our final review, and I find gives me a chance to check in with students (especially those who may leave the room to take the test in an alternate location per their IEP).

#### Resources

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In this Unit Test,students have an opportunity to show their knowledge of similar shapes. The beginning of the test features multiple choice questions while the ending focuses on open response questions, many which require students to persevere through challenging questions (MP 1) and other questions which require use of tools like a compass (MP 5).

Please note that the last question in the test is a "take home" question. This question asks students to prove the Pythagorean Theorem using similar triangles. I typically would ask students to sign an Honor Code Letter that verifies that they have not used any outside resources to complete this take home question. Depending on your population of students, you may want to give students an opportunity to try this "take home" question as part of the exam. Another alternative would be to make this entire exam a problem set which could be worked on in-class with the use of notes.

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- UNIT 1: Introduction to Geometry: Points, Lines, Planes, and Angles
- UNIT 2: Line-sanity!
- UNIT 3: Transformers and Transformations
- UNIT 4: Tremendous Triangles
- UNIT 5: Three Triangle Topics
- UNIT 6: Pretty Polygons
- UNIT 7: MidTerm Materials
- UNIT 8: Circles
- UNIT 9: 3-D Shapes and Volume
- UNIT 10: Sweet Similar Shapes
- UNIT 11: Trig Trickery
- UNIT 12: Finally Finals

- LESSON 1: Discovering Similar Triangles
- LESSON 2: More Discovering Similar Triangles
- LESSON 3: Transformations + Similarity
- LESSON 4: 2 Triangles in 1
- LESSON 5: Arabic Surveying Project
- LESSON 6: Proving Pythagoras' Theorem
- LESSON 7: Review Day for Sweet Similar Shapes
- LESSON 8: Assessment for Sweet Similar Shapes