Monday, September 24, 2007
Algebra (Class 9)
&tOverview
In today’s class we practice writing and solving equations involving grouping symbols. We focus on understanding what the grouping symbols represent and how an equivalent expression can be written without the grouping symbols.
Textbook Sections
§3-3 (Txt. p.107) Using Several Transformations
Key Attitudes
Math is about investigating and confirming
Key Ideas
A number in front of grouping symbols tells you how many of the group you have.
An expression with grouping symbols should be written as an equivalent expression without grouping symbols in order to solve the equation.
Key Skills
Solving a balance problem involving grouping symbols using both pictures and algebraic notation. (Week 11-SP10-SP12)
Turn-In (#8)
Packet-- Unit 3: Week 11 AND Txt. p.97 #25-36
Txt. p.98 “Problems” #4-6
Handouts
No Handouts Posted
Assignment
§3-3 (Txt. p.109) #1-24
§3-4 (Txt. p113) #1-3
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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