Tuesday, November 20, 2007
Algebra (Class 29)
Overview
In today’s class we finish Unit 5: Week 17- Ratio, Proportion, and Percent. In addition extend our knowledge of the graphs of lines by starting to examine how we could find the point of intersection of two lines. Finally, we take out 6th test whose focus remains writing and using equations of lines.
Textbook Sections
§9-1 (Txt. p.413) The Graphing Method
Key Attitudes
Math is about investigating and confirming
Key Ideas
Ratio, rates, proportions, and percents are all ways to compare the relative size of two quantites.
Key Skills
Setting up and solving proportions.
Computing percents.
Finding factors of numbers.
Graphing lines
Turn-In (#28)
Nothing to turn in today.
Handouts
No Handouts Posted
Assignment
§9-1 (Txt. p.415) #1-3 (Accurate graphs required! Use graph paper if needed.)
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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