PEMDAS
What problem do you solve first?
6 × 2 + 2 × 12
6 x 2
6 × 2 + 2 × 12
36
9 × (7 + 14 − 11) − 6
84
112 − {3 × [8 − (52 − 19)]}
115
What does the P in PEMDAS mean?
(Parenthesis)
5 × 8 − 4 × 6
16
9 × 7 + 14 − (11 − 6)
72
112 − [3 × (8 − 5)2 ] − 19
75
If two operations are on the same level, example: Addition & Subtraction, how do you know which operation to do first?
Which ever one you see first (Left to Right).
2 × 4 + 6 − 2
12
(18 + 15) − 2 × 15 + 6
6
12 × (3 + 11 + 6) ÷ 23
30
What do you do first, Division or Exponents
Exponents
8 × 5 + 10 − 12
38
12 × (38 − 25 − 10) + 9
45
42 + 22 × [40 ÷ (31 − 29)2 ]
56
Put these operations in order
Exponent, Parenthesis, Subtraction, Multiplication
Parenthesis
Exponent
Multiplication
Subtraction
8 + 10 − 4 × 3
6
6 × (17 + 10 + 8) − 15
195
102 × 9 − (43 − 4 × 10)
876
What are the other 2 types of Parentheses called?
Brackets & Braces
4 × 4 × 2 − 9
23
(12 − 7) × (33 − 26) − 45 ÷ 5
26
42 + 32− {25 − [2 × (11 + 9 − 13)]}
14