Activating students as resources for one - Section 1: Opening Bellringer Activity

  Activating students as resources for one
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Discovering What it Means to be Similar Triangles

Unit 7: Linear Equations in two Variables
Lesson 5 of 23

Objective: SWBAT understand angle relationships with similar triangles, discover correct methods of enlarging similar triangles and then apply this to dilating figures.

Big Idea: Imagine teaching similarity, angle-angle similarity for triangles, and dilations all at once! It’s a three for one deal!

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11 teachers like this lesson
Math, dilation (stretches and shrinks), Geometry, similar triangles, similar figures, 8th Math, master teacher, tangrams, document camer, proving triangles similar, 8th geometry
  65 minutes
discovering what it means to be similar tangrams
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