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Introduction to congruence and similarity through transformations

# Introduction to congruence and similarity through transformations

Unit 8: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

Lesson 1 of 18

Lesson 1 of 18

## Objective: SWBAT understand congruence and similarity through transformations.

## Big Idea: Which one of these is not like the other? Investigate how Sesame Street is connected to congruence and similarity.

Subject(s):

Math, Similarity and Congruence, Geometry, reflection (Geometry), translation (Geom Transformations), rotation (Geom Transformations), 8th grade, transformation

*75 minutes*

1

#### Warm Up

*10 min*

Each day, students complete a Warm Up that usually consists of spiraling the previous day's material, in addition to older material. Warm-up problems also sometimes extend lessons that students have encountered before to more unfamiliar contexts.

For a video narrative about how I structure each lesson, and how the warm-up fits in, click here.

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2

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4

#### Homework

*15 min*

Homework 100 is to be completed at home and should take students approximately 15 minutes.

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Feedback (2)

Give Jeff some feedback on this lesson

BetterLesson Community Feedback

Jeff Li MTP:

*Responding to Helen Schwarting*Helen - thanks so much for the kind words. I am glad that you found this lesson and the materials helpful!

Best,

Jeff

| 2 years ago | Reply
Helen Schwarting:

Thank you, great ideas and ways of getting the information across to students.

| 2 years ago | ReplyNo comments at this time. Add yours above.

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- UNIT 1: FLUENCIES AND THE LANGUAGE OF ALGEBRA
- UNIT 2: SOLVING LINEAR EQUATIONS
- UNIT 3: INTRODUCTION TO FUNCTIONS
- UNIT 4: INTERPRETING AND COMPARING LINEAR FUNCTIONS
- UNIT 5: SYSTEMS OF LINEAR EQUATIONS
- UNIT 6: EXPONENTS AND SCIENTIFIC NOTATION
- UNIT 7: PARALLEL LINES, TRANSVERSALS, AND TRIANGLES
- UNIT 8: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS
- UNIT 9: PATTERNS OF ASSOCIATION IN BIVARIATE DATA
- UNIT 10: SLOPE REVISITED
- UNIT 11: VOLUME OF CYLINDERS, CONES, AND SPHERES
- UNIT 12: POLYNOMIALS AND FACTORING
- UNIT 13: QUADRATIC FUNCTIONS

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- LESSON 1: Introduction to congruence and similarity through transformations
- LESSON 2: Translations 1
- LESSON 3: Translations 2
- LESSON 4: Reflections 1
- LESSON 5: Reflections 2
- LESSON 6: Reflections 3
- LESSON 7: Rotations 1
- LESSON 8: Rotations 2
- LESSON 9: Mixed Review - Transformations
- LESSON 10: Congruence and Similarity Through Transformations Test 1
- LESSON 11: Dilations 1
- LESSON 12: Dilations 2
- LESSON 13: Similarity 1
- LESSON 14: Similarity 2
- LESSON 15: Series of Transformations that Lead to Congruence
- LESSON 16: Series of Transformations that Lead to Similarity
- LESSON 17: Mixed Review - Transformations
- LESSON 18: Congruence and Similarity Through Transformations Unit Test

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