Order Of Operations 1
What do you complete first? What is the answer to that first step?
46 + 90 + 61 - 28 + (5 x 9)
(5 x 9) = 45
What does the first letter in PEDMAS stand for?
Parentheses
5 + 53 - 7
What is 51
74 - 26 ÷ 2
61
2 x 2 x 2 x 2 + (75 x 10) - 1
765
What is the saying that helps us remember the steps when using the order of operations: PEMDAS?
Please excuse my dear aunt Sally
What do you complete second? What is the answer to that second step?
46 + 90 + 61 - 28 + (57 x 9)
46 + 90 = 136
What does the second letter in PEMDAS stand for?
Exponents
5 x 3 + (6÷6) + 6
22
64 - 6 x 5 + (6÷2)
17
69 + 40 - 19 - 10 + (8 x 6)
128
True or False? Using the order of operations, you do addition BEFORE subtraction?
False!!! It's whichever one comes first, going left to right.
What do you complete third? What is the answer to that second step?
46 + 90 + 61 - 28 + (57 x 9)
136 + 61 = 197
What is the third step in the Order of Operations?
Division or Multiplication
58 + 10÷5 x 2
62
(5 x 6) - 30 - 1 + 18
17
31 + (7 + 4 x 2 ) x 4 ÷ 4
46
True!
Solve the problem.
1 + (10 x 5 x 2 x 4 - 80) ÷ 80
5
What is the last step of the Order of Operations?
Addition or Subtraction
(87 - 15 - 20 - 20) x 6 ÷ 2
96
53 - 28 + (50 ÷ 25)
27
5 x (6 + 6) - 3 + 26 + 55
138
True!
Solve the problem.
3 x 3 + 6 x 12 + 53 - 26
108
Solve the problem.
(10 - 4) - 2 x 2 - 1
1
(42 + 8 x 3 - 4 + 5 x 2)
72
97 - 18 + (35 - 31) + 4 x 4
99
(23 + 1) - 9 x 2 + (25 ÷ 5)
11
What are exponents?