Order of Operations Practice Problem

Pre-Algebra Tutorial

Order of Operations Practice Problem

Intro

The order of operations can be tricky. A key to ensuring computation is accurate, is to review the order of operations. This problem has a twist that also involves calculating negative numbers.

Sample Problem

Solve: 7-[8-4(3-5)]

15


-9


9


31


7


Solution

Order of Operations*from left to right*

P-parenthesis
E-exponents
M-multiplication
D-division
A-addition
S-subtraction

7-[8-4(3-5)] Evaluate the innermost grouping symbol first.

= 7-[8-4(-2)] Perform multiplication before subtraction.

= 7-[8-(-8)] When subtracting negative numbers with unlike symbols, follow the rules.

=7-16 Apply the rule for subtraction.

=7+(-16)= -9

Answer: -9



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