Algebraic Expressions and PEMDAS

Order of Operations is Important

Whether you’re new to algebraic expressions or working on complicated equations, remembering the order of operations is crucial to getting the correct answer.

The order of operations is frequently referred to as PEMDAS. “Please Excuse My Dear Aunt Sally” is the longer version of this mnemonic. Both try to remind the user to follow the order of operations:

Parenthesis: First do the arithmetic in the parentheses. This is not only the correct first step, but helps simplify what could look like a long problem.

Exponents: Next up is exponents. By getting these out of the way, you’ve simplified the equation even further. The rest is easy!

Multiplication

Division

Addition

Subtraction

How to get help using PEMDAS

Sometimes you need help, even when you have a roadmap. We have you covered. Our SkillsCenter Resource library has tons of resources to help you with algebraic equations and order of operations, and it’s built into the Tutor.com Learning Suite. Check your local library to see if the Learning Suite is available in your area, or find videos, worksheets and more free of charge at our website.

To get you started, here are some of our highly rated resources:

Using Order of Operations

Multiplying Out the Distributive Rule

Order of Operations

Order of Operations with Exponents

Need more help? Connect to a tutor!

One Response to Algebraic Expressions and PEMDAS

  1. Gershom September 3, 2010 at 9:39 PM #

    When we used “Brackets” instead of “Parenthesis”, “Of” io “Exponent”, the mnemonic BODMAS was much easier to remember than looking for excuses for your aunt Sally. However I like your new language.

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