Order of Operations
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Lesson Description:
An introduction to order of operations, what the acronym PEMDAS stands for, and how to use order of operations to compute values of expressions.
Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.
Questions answered by this video:
- What is the order of operations?
- How can you remember the order of operations?
- What does PEMDAS stand for?
- Why don't you always do multiplication before division in order of operations?
- How do you evaluate 17 - 3 + 7 using order of operations?
- How do you evaluate 2[(2 - 3) + 5] + 7 using order of operations?
- When do you evaluate brackets in order of operations?
- How do you evaluate (5 + 3) - 2^2 / 4 * 3 using order of operations?
- How do you evaluate 4^2 / 2^3 + 3 * 5 using order of operations?
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Staff Review
This is a great introduction to the order of operations for computing expressions. An explanation to the order of operations as well as several example problems are shown in this lesson. The example problems include brackets, parentheses, exponents, multiplication, division, addition, and subtraction. -
