Section 1.1 Expressions & Formulas August 24, 2010.
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Transcript of Section 1.1 Expressions & Formulas August 24, 2010.
Section 1.1Section 1.1Expressions & FormulasExpressions & Formulas
August 24, 2010August 24, 2010
VocabularyVocabulary
Order of OperationsOrder of Operations
Procedure followed when evaluating Procedure followed when evaluating numerical expressionsnumerical expressions
A common acronym is used as a A common acronym is used as a memory devicememory device
Order of OperationsOrder of Operations
PP Parentheses/BracketsParentheses/Brackets EE ExponentsExponents MM MultiplicationMultiplication DD DivisionDivision AA AdditionAddition SS SubtractionSubtraction
Please Excuse My Dear Aunt Sally.Please Excuse My Dear Aunt Sally.
Be sure to start with the inner-most grouping symbolsBe sure to start with the inner-most grouping symbols
Always work from left to rightAlways work from left to right
4 basic math operations
Find the value ofExample 1:
Example 2:
Evaluate if and
Evaluate if , , and
Example 3:
Example 4:Evaluate if and
Find the area of a trapezoid with base lengths of 13 meters and 25 meters and a height of 8 meters.
Area of a trapezoid
Example 5:
HomeworkHomework
Worksheet 1-1 # 1 – 25 oddWorksheet 1-1 # 1 – 25 oddComplete on a separate sheetComplete on a separate sheetWrite the problem and show work. Write the problem and show work.
No work – No CreditNo work – No Credit