Name
Reteach
5.6
Date
Order of Operations
Find 25 ⴜ (12 – 7) ⴙ 42.
Follow the order of operations.
Order of Operations
25 ⫼ (12 ⫺ 7) ⫹ 42 =
5
25 ⫼ (12 ⫺ 7) ⫹ 42 =
Simplify within the parentheses
1. Parentheses
Simplify the terms with exponents
16
25 ⫼ 5 ⫹ 42 =
2. Exponents
Multiply and divide from left to right
5
25 ⫼ 5 ⫹ 16 =
3. Multiply and Divide
5 ⫹ 16 = 21
Add and subtract from left to right
4. Add and Subtract
This may help you to remember the Order of Operations:
Please
parentheses
excuse
exponents
my
multiplication
dear
division
Aunt
addition
Sally
subtraction
Simplify.
1.
17 ⫹ 8 ⫼ 2
2.
42 ⫼ (14 ⫺ 8)
3.
21 ⫺ (6 ⫹ 2)
4.
(10 ⫺ 4) ⫻ (16 ⫼ 4)
5.
(48 ⫼ 8) ⫻ 3
6.
15 ⫺ (7 ⫹ 4)
7.
8 ⫻ (49 ⫼ 7)
8.
51 ⫺ (8 ⫻ 4) ⫹ 32
9.
5 ⫹ (17 ⫺ 8) ⫹ 12
11.
43 – (6 ⫻ 7) ⫹ 14
12.
10.
4 ⫻ (2 ⫻ 3) ⫼ 8
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33 ⫹ 22 ⫹ (81 ⫼ 9)
Use with text pages 124–126.