Tuesday, February 16, 2010
Math 7 (Class 113)
Lesson Title
Investigation 2: Similar Figures
Overview
In today’s class students investigate probabilities and revisit the “ATLANTA” problem to see how a letter which is repeated three times effects the number of different possible combinations.
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 collect data and organize data.
I can use data to make predictions and generalizations.
I can confirm or refute generalizations using data.
Turn-In (#-1)
No Homework
Handouts
No Handouts Posted
Assignment
Justification of your answer to “ATLANTA”
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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