Stretching+and+Shrinking+c+08

__ Stretching and Shrinking __

Big Idea  Many things in our world are mathematically similar and we can use this to understand and describe the world around us.

EQ1 How can I make a drawn figure larger? 1.1 Stretching a Figure - HSB MR13 - AM

EQ2 What is the same and what is different about “similar” figures? 2.1 Drawing Wumps - NC 2.2 Nosing Around - MA 2.3 Making Wump Hats - MA MR27 - MSK

EQ 3 How can I use math to check if two figures are similar? 3.1 Identifying Similar Figures - MK 3.2 Building with Rep-tiles - OC 3.3 Subdividing to find Rep-tiles - ED MR40 - AB

EQ 4/5 What types situations can I use my similarity ideas to solve? 4.1 Using Similarity to Solve a Mystery - ST 4.2 Scaling Up - SF 4.3 Making Copies - AR 4.4 Using Map Scales - AA MR58 - GA

EQ 4/5 What types situations can I use my similarity ideas to solve? 5.1 Using Shadows to Find Heights - PM 5.2 Using Mirrors to Find Heights - FA 5.3 Using Similar Triangles to find Distances - HSB MR74 - MK

EQ6 How can I use turtle math? 6.1 Drawing Similar Figures with a Computer - FA 6.2 Stretching and Shrinking Flags - ST MR84 - TC

__ Stretching and Shrinking Vocabulary  __
 * 1) angle measure
 * 2) compare
 * 3) congruent
 * 4) corresponds, corresponding
 * 5) diameter
 * 6) image
 * 7) parallel
 * 8) perpendicular
 * 9) ratio
 * 10) scale, scale factor
 * 11) similar
 * 12) vertex