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# Rotations 2

Lesson 8 of 18

## Objective: SWBAT understand rotations.

## Big Idea: Get kids fluent in rotations by providing them with a lot of independent practice with rotations!

*75 minutes*

#### 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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#### Huddle

*10 min*

In keeping with the theme of having kids sketch their own graphs when the question does not provide one, we review #4 in the huddle.

I ask kids to come up to the board to sketch their graphs, and walk through their logic, and then we critique/respond to that kid. If I have time, I might ask how the problem would change if I did counterclockwise instead of clockwise. What about 180 degrees?

#### Resources

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#### Homework

*15 min*

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

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*Responding to Claudia Wagner*

Claudia - thanks so much for posting this kind note; I appreciate the feedback. I am in NY but am not using the EngageNY materials as a base curriculum; I found that I like using my own materials while using EngageNY questions as a bar for rigor as well as sample problems. I prefer walking through the material in ways that I think generate understanding in kids, and I generally try to simplify rather than make more complex. :)

The structure of my class is based on a sports theme:

a) The warm up - a few questions that spiral previous material and set the stage for the day's lesson

b) HW check - exactly what it sounds like.

c) Play of the Day - this is the aim/objective for the day - the new "play" we are learning in preparation for our season. :)

d) Practice - this is the time dedicated to practice where kids can get better.

e) Huddle - after each practice time, it's always good to bring it together to summarize/consolidate learning, point out misconceptions, and allow students to explain their answers.

Here is a video clip that discusses this as well: https://www.youtube.com/watch?v=2fyUXc_FFrM&feature=youtu.be

That's the basic structure, and I hope it's helpful! My email is jli@kippinfinity.org if you have any follow-up questions.

Cheers,

Jeff

| 3 years ago | Reply

Hi Jeff,

This looks awesome!! Very useful. This is our first time doing Geometry in 8th grade. So this is uncharted territory and I am out looking for good and helpful stuff. I noticed you are in NY. We are using Engage NY as our base curriculum. Do you use any of it? Your instruction seems much simpler.

I love your idea of football theme (play of the day, huddle). Any more details on how you use that?? I'm looking forward to checking out your other lessons. Thank you for sharing!!

Claudia Wagner (Oceanside, CA)

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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

- 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