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Published byCleopatra Ward Modified over 8 years ago
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Writing Expressions and Equations
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Key Vocabulary Expression – a math sentence without equal signs Equation – a math sentence with equal signs Variable – a letter that is used to represent a number Terms – the part of an expression that is being added together
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Key Vocabulary Coefficient – the number part of the term that has a variable with it Constant Term – a term that has a number but no variable Like Terms – terms that have identical variables Inverse Operation – the opposite operation used to solve an equation
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Expressions vs Equations Expressions – written as phrases Example – the sum of six and a number x + 6 Equations – written as sentences Example – the sum of six and a number IS ten x + 6 = 10
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A-HA Words AddSubtractMultiplyDivide PlusMinusTimes Divided by The sum of The difference of The product of The quotient of Increased by Decreased by of
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Translating Verbal Phrases A. A number increased by 5 B. 7 less than a number C. 3 more than twice a number D. 4 decreased by the quotient of a number and 7
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Translating Verbal Sentences A. 16 increased by a number is 27 B. The difference of twice a number and 3 equals -4 C. The product of ½ and a number is 36 D. -3 is equal to twice the sum of a number and 2
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