Wednesday, March 03, 2010
Math 7 (Class 119)
Lesson Title
Investigation 2: Similar Figures
Overview
In today’s class students continue to work with odds, probability, and ratios during the opener. During the lesson they continue to investigate what it takes to make two rectangle similar.
Textbook Sections
Problem 2.2 (Txt. p.18) Nosing Around
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 write and use a ratio related to odds, probability, or simialrity.
I can determine if two rectangles are similar by observation or by examining the lengths of the sides or the perimeters of the rectangles.
Turn-In (#-1)
ACE p.22 #11
Handouts
No Handouts Posted
Assignment
ACE p.22 #2 to 4
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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