Stretching+and+Shrinking+0809

__ 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.

Essential Question # 1 - How can I make a drawn figure larger? 1.1 Stretching a Figure - Ambrin Mathematical Reflection p.13 - B.C.

Essential Question # 2 - What is the same and what is different about “similar” figures? 2.1 Drawing Wumps - Astrid 2.2 Nosing Around - Shadab 2.3 Making Wump Hats - Arnavi  Mathematical Reflection p.27 - Manaal

Essential Question # 3 - How can I use math to check if two figures are similar? 3.1 Identifying Similar Figures - Jee Hoon 3.2 Building with Rep-tiles - RJ 3.3 Subdividing to find Rep-tiles - Clara  Mathematical Reflection p.40 - Tom

Essential Question # 4/5 - What types situations can I use my similarity ideas to solve? 4.1 Using Similarity to Solve a Mystery - JC 4.2 Scaling Up - Tristan 4.3 Making Copies - Faraaz 4.4 Using Map Scales - Claudia  Mathematical Reflection p.58- Vib

Essential Question # 4/5 - What types situations can I use my similarity ideas to solve? 5.1 Using Shadows to Find Heights - Shurjo 5.2 Using Mirrors to Find Heights - Mae 5.3 Using Similar Triangles to find Distances - Melanie  Mathematical Reflection p.74- Rowan

__ 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