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4 - Order of ÷ Operations () + X The Order of Operations tells us how to a math problem with more than one operation, in the correct order Please Excuse My Dear Aunt Sally This will help to you to remember the order of operations Please Excuse My Dear Aunt Sally P E M D A S Parentheses ( ) Exponents Multiply Divide Add + ÷ x Please Excuse My Dear Aunt Sally Parentheses ( Always parentheses 1st ) Please Excuse My Dear Aunt Sally Exponents Always Exponents 2nd Please Excuse My Dear Aunt Sally Multiply Divide ÷ x Do multiplication and division 3rd, from left to right Please Excuse My Dear Aunt Sally Add + Subtract - Do addition and subtraction 4th, from left to right Let’s Try Some Problems! PEMDAS 3+2 3+2 (9+1) 3+810 1110 101 PEMDAS (9+1) + 2 63(10)+6 3(10)+3 630+3 66 PEMDAS 4+5 x (6-2) 4+5 x 4+2 024 PEMDAS 4+ 10 x 4+10 x -16 4+ 80 -16 -16 8468 16 PEMDAS 21 + 10 ÷ 1021+100÷10 21 + 31 10 PEMDAS 10+7 -2 x 10+49–2 x 10+495 1059 104 PEMDAS 64 ÷ (9 x 364÷(27 –19) 19) 64 ÷ 8 Have fun doing the Order of Operations!
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