REVIEW: Writing Expressions and Algebra Properties

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What is a term in an algebraic expression?

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A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by addition or subtraction. For example, in the expression 5x³ - 7x + 11, there are three terms: 5x³, -7x, and 11.

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CCSS.6.EE.A.2B

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How many terms are in the expression 5x³ - 7x + 11?

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3

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CCSS.6.EE.A.2B

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What does it mean to simplify an expression?

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To simplify an expression means to combine like terms and perform any operations to reduce it to its simplest form.

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CCSS.7.EE.A.1

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CCSS.7.EE.A.1

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What is an algebraic expression?

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An algebraic expression is a combination of numbers, variables, and operations (such as addition, subtraction, multiplication, and division) that represents a value.

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CCSS.6.EE.A.2B

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How do you evaluate an expression?

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To evaluate an expression, substitute the values of the variables into the expression and perform the operations according to the order of operations.

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CCSS.6.EE.A.2C

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6

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CCSS.6.EE.A.2C

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What is the Distributive Property?

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The Distributive Property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

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CCSS.6.EE.A.3

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Give an example of the Distributive Property.

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3(w + 4) = 3w + 12.

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CCSS.6.EE.A.3

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What is a variable in algebra?

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A variable is a symbol, usually a letter, that represents an unknown value in an expression or equation.

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CCSS.6.EE.A.2B