Order of Operations
Objective & Essential Question Common Core Objective: 6.EE.1 Student Friendly Terms: Students will be able to perform basic five and six step order of operations problems with 80% accuracy. Essential Question: Why is order important in math?
Definition The order in which mathematicians perform math problems. a)Parenthesis – Working Inward Outward b)Exponents c)Multiply or Divide – Left to Right d)Add or Subtract – Left to Right
Mnemonic P lease Parenthesis E xcuse Exponents M y D ear Multiply or Divide – Left to Right A unt S ally Add or Subtract – Left to Right
Example 1: 2 x 3 - (4-2) Multiplication Parenthesis Subtraction Addition Exponents
2 x 3 - (4-2) x Parenthesis Exponents Multiply 2 x Add or Subtract – Left to Right
Example 2: 4 X 6 – (3 + 4) Multiplication Parenthesis Subtraction Addition Exponents
4 X 6 – (3 + 4) x Parenthesis Exponents 24 – Multiply 4 X 6 – Add or Subtract – Left to Right
Practice Problems x 7 2.(1 + 3) x (8 - 4) (7 - 0) (5 - 1) x 8 – / 6 x 2 x 2 / x (4+(6 x 3-8)) x2 Answer
Resources Math Goodies tml tml Amby.com The World of Math Online l l Fun Brain Dositey – Mystery Game Aplus Math – Flash Cards bin/Flashcards/Order_Of_Operations bin/Flashcards/Order_Of_Operations AAA Math.com
3 + 5 x Back
(1 + 3) x (8 - 4) 4 x (8 – 4) 4 x 4 16 Back
(7 - 0) – 7 6 – – 7 7 – 7 0 Back
(5 - 1) – 3 4 – – 3 5 – 3 2 Back
3 + 9 x 8 – X 8 – – – Back
24 / 6 x 2 x 2 / 4 4 x 2 x 2 8 x 2 16 Back
2+3 x (4+(6 x 3-8)) x x (4 + (18 – 8)) x x (4 + 10) x x 14 x x Back