Thursday, March 04, 2010
Math 7 (Class 120)
Lesson Title
Investigation 2: Similar Figures
Overview
In today’s class students investigate how algebraic rules can be used to describe how shapes are transformed.
Textbook Sections
Problem 2.3 (Txt. p.21) Maing Wump Hats
Vocabulary
similar
corresponding sides
corresponding angles
segment
ratio
perimeter
Key Attitudes
Willingness to work as a group to help meet individual and group goals.
Enduring Understandings
Change is fundamental to understanding functions.
Mathematical relationships can be represented in 4 main ways: Graphical, Numerical, Algebraic, Verbal (written and oral).
Essential Question
How can transformations be described mathematically?
How do different shapes compare to each other?
What is required for two shapes to be similar?
Key Knowledge
Certain properties of a shape are maintained when a shape is enlarged or reduced.
Key Skills
I can use the concept of odds or of probability to solve problems.
I can use algebraic rules to represent how a shape is transformed.
I can determine a rule which will create a specified result.
I can determine if a rule moves a shape, makes it larger or smaller, and is or is not similar.
Turn-In (#-1)
ACE p.22 #2 to 4
GroundWorks Grade 7 Probability: In the Box 4
Handouts
No Handouts Posted
Assignment
ACE p.22 #5, 6
Disclaimer- The assignment as stated in class is the official assignment. Every effort is made to keep this posting accurate, but you should refer to what was stated in class as the final word.
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