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Section 1.1 Expressions & Formulas

Section 1.1 Expressions & Formulas. August 24, 2010. Vocabulary. Order of Operations Procedure followed when evaluating numerical expressions A common acronym is used as a memory device. Order of Operations. P Parentheses/Brackets E Exponents M Multiplication D Division A Addition

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Section 1.1 Expressions & Formulas

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  1. Section 1.1Expressions & Formulas August 24, 2010

  2. Vocabulary • Order of Operations • Procedure followed when evaluating numerical expressions • A common acronym is used as a memory device

  3. Order of Operations • P Parentheses/Brackets • E Exponents • M Multiplication • D Division • A Addition • S Subtraction Please Excuse My Dear Aunt Sally. • Be sure to start with the inner-most grouping symbols • Always work from left to right 4 basic math operations

  4. Find the value of Evaluate if and Example 1: Example 2: Example 1-1a

  5. Evaluate if , , and Evaluate if and Example 3: Example 4: Example 1-3a

  6. Area of a trapezoid Example 5: Find the area of a trapezoid with base lengths of 13 meters and 25 meters and a height of 8 meters. Example 1-4a

  7. Homework • Worksheet 1-1 # 1 – 25 odd • Complete on a separate sheet • Write the problem and show work. No work – No Credit

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