Wednesday, September 12, 2007
Algebra (Class 5)
&tOverview
In today’s class we check to see how students doing on the material we have studied so far. In addition we begin our next section of material which focuses on the solving of equations-- first degree single-variable.
There is a nice interactive version of solving equations as a balance at http://nlvm.usu.edu/en/nav/frames_asid_324_g_3_t_2.html?open=instructions
Textbook Sections
§1-4 (Txt. p.14) Translating Words into Symbols
§3-1 (Txt. p.95) Transforming Equations: Addition and Subtraction
Vocabulary
balance scale
beam balance
equal sign
equation
expression
simplify an expression
solve an equation
distributive property
zero pairs
Key Attitudes
Math is about investigating and confirming
Key Ideas;/b>
The meaning of an equal sign.
An equation can be represented by a balance scale.
The law of balance-- in order to keep a balance, what you do to one side of the balance, you have to do to the other side of the balance
Key Skills
Determine which stone weighs more on a balance (Week 11- SP2)
Determine the weight of stones on a balance. (Week 11- SP3)
Determine the missing stone on a balance. (Week 11-SP4)
Translating verbal statements into expressions.
Evaluating expressions.
Turn-In (#4)
Unit 3: Expressions and Equations Week 10 packet
Txt. p.8 #1-10, 29, 30
Handouts
No Handouts Posted
Assignment
§1-4 (Txt. p.16) #1-28
§1-3 (Txt. p.8) #31, 32
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.