Thursday, December 10, 2015

12/10 Lesson 4.1.2 Creating a Scale Drawing

1.  Warm-up:



a)  Is the copy an enlargement or reduction of the original?

b)  Examine 3 pairs of corresponding sides.  What is the ratio of their length? Copy/Original

c)  Using your answer from part b, state the scale factor.




2.  Lesson 4.1.2 Creating a Scale Drawing (page 192)
  • Objectives:
    • I will create a scale drawing given a specific set of actual measurements
    • I will use scale drawings to solve problems
  • Problem 12 in teams (objective #1)
    • Choose a scale
    • Draw the lot first
    • Use a ruler!
  • Problem 13 in teams (objective #2)
  • Dojo Challenge:  Problem 15
Homework:  Lesson 4.1.2 R/P (answers in GC)