Introduction

Similarity, Ratios & Beginning Proportionality

I. Stretching and Shrinking Unit

A.  Ratios

  1. What are they are how are they written
  2. equivalent ratios
  3. Ratios to decimals to percent
  4. Intro to Golden Ratio:  measuring skills

B.  Scale Factor

     1.  Scale Model Investigation

C.  Similarity

  1. Definition of similarity
  2. Similar Triangle Exploration: Connect to Ratios

D.  Combining Scale Factor and Similarity

  1. CMP Investigations 4&5
  2. Scale Drawing Handouts

E.  Outdoor Practice

  1. Using shadows to find height
  2. Extension practical applications

F.  Extensions if time

  1. Coordinate Grid Transformations
  2. Plane Geometry