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Writing Expressions and Equations

This resource introduces key terms such as expression, equation, variable, and coefficient essential for mastering math problems. Learn to distinguish between expressions and equations, identify like terms, and solve problems using inverse operations. Practice translating verbal phrases and sentences into mathematical terms for better problem-solving skills.

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Writing Expressions and Equations

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  1. Writing Expressions and Equations

  2. 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

  3. 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

  4. 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

  5. A-HA Words

  6. Translating Verbal Phrases A number increased by 5 7 less than a number 3 more than twice a number 4 decreased by the quotient of a number and 7

  7. Translating Verbal Sentences 16 increased by a number is 27 The difference of twice a number and 3 equals -4 The product of ½ and a number is 36 -3 is equal to twice the sum of a number and 2

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