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6.8 Order of Operations

Please Excuse My Dear Aunt Sally !. 6.8 Order of Operations. The student will evaluate whole number numerical expressions, using order of operations . Anticipatory The Order of Operations Song and Intro http://studyjams.scholastic.com/studyjams/jams/math/algebra/aorder-of-operations.htm.

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6.8 Order of Operations

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  1. Please Excuse My Dear Aunt Sally! 6.8Order of Operations The student will evaluate whole number numerical expressions, using order of operations

  2. AnticipatoryThe Order of Operations Song and Introhttp://studyjams.scholastic.com/studyjams/jams/math/algebra/aorder-of-operations.htm

  3. Pg. 6.8 Foldable goes here! • 6.8 Pg. • Expression A mathematical phrase that contains operations, numbers, and/or variables. • Operation -The math processes used to solve an expression. (+, -, x, ÷) • Order of operations - The rules to follow when more than one operation is used in a numerical expression. • PEMDAS - Mnemonic used when solving an expression. • (Please Excuse My Dear Aunt Sally ) • -Parenthesis • - Exponents • - Multiplication/Division-whichever comes first • Addition/Subtraction-whichever comes first • Go down the list and complete the first operation you see. If you don’t see that operation, move to the next operation on the list. • Example: • 2 + (7 x 2) - 3 + 62 ÷ 4 x 2 • P 2 + 14 - 3 + 62 ÷ 4 x 2 • E 2 + 14 - 3 + 36 ÷ 4 x 2 • MD 2 + 14 - 3 + 18 • AS 31

  4. Order of Operations Foldable Directions Front Inside Order of Operations Parenthesis ( ) Exponents Multiplication •, *, x Division ÷, / Left to right Addition Subtraction Left to right Example: (44 + 20) ÷ -7 + 4 • 5 Complete all operations inside grouping symbols 64 ÷ -7 + 4 • 5 Evaluate exponents next 64 ÷ 8 -7 + 4 • 5 Complete all •, *, x, and ÷, / from left to right First come first serve 8-7 + 4 •5 8-7 + 20 Complete all + and - from left to right- First come first serve 1 + 20 21 is the answer! 23 P 23 E yx MD AS

  5. Let’s Practice! 42 + 3 x 2 + (8- 22) ÷ 2 P E MD AS

  6. Let’s Practice! (3 x 2) + 10- 22 ÷ 4 P E MD AS

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