Section 1.1 Expressions & Formulas August 24, 2010.

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Section 1.1 Section 1.1 Expressions & Formulas Expressions & Formulas August 24, 2010 August 24, 2010

Transcript of Section 1.1 Expressions & Formulas August 24, 2010.

Page 1: Section 1.1 Expressions & Formulas August 24, 2010.

Section 1.1Section 1.1Expressions & FormulasExpressions & Formulas

August 24, 2010August 24, 2010

Page 2: Section 1.1 Expressions & Formulas August 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

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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

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Find the value ofExample 1:

Example 2:

Evaluate if and

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Evaluate if , , and

Example 3:

Example 4:Evaluate if and

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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:

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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