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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".

en.wikipedia.org/wiki/Order_of_operations

In mathematics and computer programming, the

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

www.purplemath.com/modules/orderops.htm

Explains the

www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

This example shows the steps and clarifies the purpose of

www.mathsisfun.com/operation-order-pemdas.html

"

www.eduplace.com/math/mathsteps/4/a/

The

www.mathplayground.com/order_of_operations.html

Play

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

In this educational animated movie about Math learn about parenthesis, exponents, multiplications, divisions, addition, subtraction, and pemdas.