12/9 Lesson 4.1.1 Similar Figures

1.  Warm-up:  Convert the following percents into decimals

a)  50%      b)  300%    c)  142%     d)  7.5%   


2.  Lesson 4.1.1 Similar Figures (page 188)

• Objective:  I will identify corresponding sides of similar figures and compare their ratios
• Similar figures video.
• Vocabulary building:
• Enlargement
• Reduction
• Scale Factor
• Corresponding Sides
• Problem #1 as whole class
• Problem #2-4 in teams

3.  Closure:  How do you identify similar figures?  What can you conclude about two figures if you know they are similar?  (You may want to read problem #4 to help you with these questions)

Homework:  4.1.1 R/P (answers in GC)