Monday, April 19, 2010
Math 7 (Class 146)
Lesson Title
Investigation 4: Using Similarity
Overview
In today’s class students share their answers regarding using the map of the state of Utah.
Textbook Sections
Problem 4.4 (Txt. p.45) Using Map Scales
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 do different shapes compare to each other?
What is required for two shapes to be similar?
Why do we use multiplication to find fractions of fractions?
Key Knowledge
If shapes are similar, then scale factor between corresponding sides is constant.
Key Skills
I can determine if it is possible to enlarge an advertisement to fit a given set of dimensions.
Turn-In (#-1)
No homework
Handouts
No Handouts Posted
Assignment
Revise your answers from problem 4.4 and do the follow-up.
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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