Which Operation First
Operation Order
MDAS
MDAS with Parentheses
PEMDAS
100

42/7+6 x 8

divide

100

8 x 8/2

multiply then divide
100

18+64/8-4

22

100

(7+5) / 6 x 4

8

100

(7+1) x 3

150

200

9 x 5 +36/6

multiply

200

608 - 32 + (4 x 9)

parenthesis, exponents, subtract, add

200

81/9 x 6 x 3 - 4 +2

160

200

36/6 + (212-89)

129

200

898 - 746/2 + 33

103

300

4x 82 /2+19

exponents

300

49 x 6 - 18 x 2

multiply x2, then subtract

300

56/8 + 29 x 2

65

300

(17+57) -(18/3)+18

86

300

(17 x 32) - 20 x 5

53

400

(210/2 x 22) +73

parenthesis

400

16/2 + 8 x 3 -10

divide, multiply, add, subtract

400

312-200/2 +4 

216

400

(4 x 6 /12) /2

1

400

25 + 2 x 4 

80

500

(49x 6 + 12/2) -102

parenthesis

500

25 x 5- (24 -5)

parenthesis with exponents then subtract in parenthesis, then multiply then subtract

500

7 x 4 x 2 + 4 -10

50

500

515 -7 + (121/11) x 2

530

500

(415-391)/12 + 63

218

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