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Published byAshlee Dalton Modified over 9 years ago
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Warm Up!! (Left side) What is the difference between an Equation and an Expression??
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Order of Operations PEMDAS Rules? Operation vs. Step
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Order of Operations What do I do first? (12 – 6 + 3) 2 10 + 7 2 3 5 – 3
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Order of Operations Tricks to Remember 3(2) 4 – (– 5 ) 3 – 12 ( – 6) ( – 4 ) ( – 2 ) 2 vs. – 2 2
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Warm Up!! (Left side) Why do we need x’s and y’s (variables)?? How does that relate to word problems?
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Verbal Expression Mathematical Expression Key words?? (Left) More than Double Half Fewer
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Are these the same? (Guess left, write right) The sum of 5 times a number and 13 5 times the sum of a number and 13 Verbal Expression Mathematical Expression
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1. 3 less than 4 times a number 2. The sum of 6 times a number and 2 3. 3 more than half the product of 7 and a number Verbal Expression Mathematical Expression
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How many ways can we write this as a verbal expression? (5x + 1) – 3 Verbal Expression Mathematical Expression
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Properties of Equality Commutative Associative Distributive Sounds like… Def in Math
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Properties of Equality 1. 3x – 7 + 4x – 6 2. 5a + 2(4 – 6a) 3. 7(2x + 3) + 4(x – 1)4. 9x – (11 – 14x)
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