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Published byAdelia Nash Modified over 9 years ago
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POWERS and ORDER of OPERATIONS PRE265 Parentheses (includes brackets) Exponents & Roots Multiplication & Division (left to right) Addition & Subtraction (left to right) The order of operations helps us keep order when expressions become complicated. 4 2 + 5 × 2 + 2 3 ÷ 2 + 1 × 3 2 – 6 = 16 + 5 × 2 + 8 ÷ 2 + 1 × 9 – 6 = 16 + 10 + 4 + 9 – 6 = 33 1.Exponents. 2.Mult and div (L to R) 3.Add and sub (L to R)
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POWERS and ORDER of OPERATIONS PRE265 Parentheses (includes brackets) Exponents & Roots Multiplication & Division (left to right) Addition & Subtraction (left to right) Ex 1) 4 + 5(2) + 2 2 ÷ 2 + 12(3) – 6 YOUR TURN! Ex 2) 4 2 + 6(3) ÷ 3 2 + 2 3 × 0
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POWERS and ORDER of OPERATIONS PRE265 ANSWERS! Parentheses (includes brackets) Exponents & Roots Multiplication & Division (left to right) Addition & Subtraction (left to right) 16 + 6(3) ÷ 9 + 8(0) = 16 + 18 ÷ 9 + 8(0) = 16 + 2 + 0 = 18 4 + 10 + 4 ÷ 2 + 36 – 6 = 4 + 10 + 2 + 36 – 6 = 4 + 10 + 2 + 36 – 6 = 46 Ex 2) 4 2 + 6(3) ÷ 3 2 + 2 3 (0)Ex 1) 4 + 5(2) + 2 2 ÷ 2 + 12(3) – 6
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