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from my desk• Notes: Start Chapter 1

Order of Operations Using formulas

Order of OperationsParenthesis and other grouping symbols like brackets, fractions barsExponents (Powers)Multiplication and Division (left to right)Addition and Subtraction (left to right)

ExamplesA) 7 – 6 × 3 = B) 9(4 + 2) =C) (8 6) + 12 =D) (4 – 3)5 – 9 = E) 2 4 6

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Practice

Partner ExerciseAdd grouping symbols (parenthesis) to make the equation true.1. 1 + 3 ×22 = 16 2. 1 + 3 × 22 = 373. 1 + 3 × 22 = 494. 1 + 3 × 22 = 13

Homework• Pg 10: 19 – 27 odd