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Order of operations

en.wikipedia.org/wiki/Order_of_operations

In mathematics and computer programming, the order of operations (or operator precedence) is a collection of rules that define which procedures to perform first ...

Order of Operations - Math Goodies

www.mathgoodies.com/Lessons/vol7/order_operations.html

Order of Operations presented by Math Gooodies. Learn order of operations with our self-paced instruction.

The Order of Operations: PEMDAS - Purplemath

www.purplemath.com/modules/orderops.htm

Explains the order of operations 'PEMDAS') in plain terms, points out common mistakes, and presents worked examples.

Order of Operations | MathPlayground.com

www.mathplayground.com/order_of_operations.html

Parentheses first, exponents next, the multiplication and division from left to right, followed by addition and subtraction from left to right. How many true equations ...

Order of Operations Flashcards - Aplusmath.com

www.aplusmath.com/cgi-bin/Flashcards/Order_Of_Operations

Order of Operations. Can you solve this problem? 3 - 1 - 1 × 7 =

www.ask.com/youtube?q=Order of Operations&v=dAgfnK528RA
Apr 16, 2012 ... Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!

Order of Operations - BrainPOP

www.brainpop.com/math/numbersandoperations/orderofoperations/

Sometimes order matters! In this BrainPOP movie, Tim and Moby introduce you to the order of operations that you should use when solving a math problem.

Interactivate: Order of Operations Four - Shodor

www.shodor.org/interactivate/activities/OrderOfOperationsFou/

Order of Operations Four. Shodor > Interactivate > Activities > Order of Operations Four. Find us in the App Store. Learner. Activity. Help. Instructor. tab0 content ...

Order of Operations Bingo - Illuminations

illuminations.nctm.org/Lesson.aspx?id=2583

Students can often rattle off the acronym PEMDAS or "Please Excuse My Dear Aunt Sally" as being associated with the order of operations. Putting this memory  ...

Order of Operations Worksheets | Order of Operations ... - Math Aids

www.math-aids.com/Order_of_Operations/

These Order of Operations Worksheets are perfect for teachers, homeschoolers, moms, dads, and children looking for some practice in solving problems using ...

Answer
To follow the order of operations in math, first do any calculations that are inside parentheses and take care of exponents and roots. Next, perform all multiplications and divisions, left to right. Then do all additions and subtractions, left to right.
A handy mnemonic for remembering the order of operations is PEMDAS, or "Please excuse my dear aunt Sally".
More Info

Intro to order of operations | Arithmetic properties | Khan Academy

www.khanacademy.org

This example clarifies the purpose of order of operations: to have ONE way to interpret a mathematical statement.

Order of Operations - PEMDAS - Math is Fun

www.mathsisfun.com

Order of Operations - PEMDAS. Operations. "Operations" means things like add, subtract, multiply, divide, squaring, etc. If it isn't a number it is probably an ...

MathSteps: Grade 4: Order of Operations: What Is It? - Education Place

www.eduplace.com

The Order of Operations. When children initially learn addition, subtraction, multiplication, and division, they begin by performing operations on two numbers.