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