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Mathematics Chapter Two Lesson Four Order Of Operations Mathematics Matrix Grant Alyssa

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Directions Step 1: You have to type a number sentence in a row, for example: 285+93÷(3−2)x3x4²

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PEMDAS Then you have to write PEMDAS on top of the number sentence. That means: Parentheses Exponents Multiplication Division Addition Subtraction An easy way to remember the steps is by this saying: Please Excuse My Dear Aunt Sally.

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Parentheses Then you have to rewrite the number sentence until you get to the parentheses. Then solve what is in the parentheses. 285+93÷1x3x4² The 1 is the answer in the parentheses. You have to subtract 3-2. Which is 1.

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Exponents Then you have to check if there is any exponents. If there is then you have to solve. 285+93÷1x3x16 The 16 is the answer for the exponents. You have to do 4x4. Which is 16.

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Division Then you have to check if there is division or multiplication. Which ever one comes first in the number sentence. 285+93x3x16 93 is the answer for division. You have to do 93÷1. Which is 93.

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Multiplication Then you have to do multiplication. 285+279x16. 279 is the answer for the multiplication. Then you have to multiply 93x3. Which is 279.

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Multiplication Continued Then you have to do multiplication again because there is still multiplication in the number sentence. 285+4464 4464 is the answer for the other multiplication. Then you have to multiply 279x16. Which is 4464.

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Addition Now you have to solve what is left. 285+4464=

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Answer Now you write the answer: 4749 is the answer for the problem.

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