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Published byFelicity Vickrey Modified over 3 years ago

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Order of Operation: Why words matter! There is order in everything we do! Order enables consistent results! This is true in math as in driving a car! Recognition of this order is the open door to working algebra/geometry. Can you identify what is the order in these equations?: 4 + 4 = 8 8= 4 + 4 What is the difference in the order of these equations?

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Words paint a picture! Sum Difference Of Add In Is Equal The use of any one of these words defines a course of action or the result of an action! Example: sum only applies as the result of the completion of what math function? Addition!

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Follow the order of operation within this sentence: add five to seven. Write these words as a math expression. Which of the following is the correct expression?

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5 + 7 7 + 5 Explain why you choose your answer!

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Turn this equation into a sentence following the order of operation. 5 + 7 – 4 = 8 Example: Seven added to five decreased by four equals eight. Following this order the above expression is correct.

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Write an algebraic expression using the following sentence. Mary paid for her meal at the restaurant with a twenty dollar bill. She had $2.75 left. The drink cost $1.45. What was the cost of her food? X(Food) + 1.45 + 2.75 = 20.00 20.00 – 2.75 – 1.45 = Food Both are correct! Which one is the best expression! Why?

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1-2 Writing Algebraic Expressions Warm Up Evaluate each expression for the given values of the variables. Which operation symbol goes with each word? 23.

1-2 Writing Algebraic Expressions Warm Up Evaluate each expression for the given values of the variables. Which operation symbol goes with each word? 23.

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