When you have a math problem that involves more than one operation—for example, addition and subtraction, or subtraction and multiplication—which do you do first?

In cases like these, we follow the order of operations. The order in which operations should be done is abbreviated as PEMDAS:

Parentheses

Exponents

Multiplication and Division (from left to right)

Addition and Subtraction (from left to right)

Apr 25th, 2015

When you have a math problem that involves more than one operation—for example, addition and subtraction, or subtraction and multiplication—which do you do first?

In cases like these, we follow the order of operations. The order in which operations should be done is abbreviated as PEMDAS: