Series of Transformations that Lead to Similarity

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SWBAT understand what happens when a series of translations, reflections, rotations, and/or dilations is performed on a figure.

Big Idea

Unlock students' creativity by pushing them to create two similar figures in multiple ways by using different series of transformations.

Warm Up

10 minutes

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.

Play of the Day

40 minutes


10 minutes

For the huddle in this lesson, I ask kids to come up with multiple ways to demonstrate compound transformations, and it's really cool the kinds of things they come up with.

 See the student samples for some ideas.

I push kids also to be VERY precise about their explanations... how much of a translation?  In which direction?  Reflection over what line, exactly?  This is really, really important.


15 minutes

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