Monday, March 15, 2010
Math 7 (Class 127)
Lesson Title
Investigation 3: Patterns of Similar Figures
Overview
The openers for this week help students review and deepen their understanding of multiplying with fractions and whole numbers. In the lesson today students continue exploring rep-tiles and how the scale factor for the area is related to the scale factor for the sides.
Textbook Sections
Problem 3.2 (Txt. p.29) Building with Rep-tiles
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 visually determine if two shapes are similar.
Turn-In (#-1)
No Homework
Handouts
No Handouts Posted
Assignment
ACE p.33 #16, 17
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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