Numerical and Algebraic Expressions

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Evaluate the numerical expression: 2(10 + 5)

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30

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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Which of the following is an example of an algebraic expression? 1) 3(2 + 7) - 10 2) 78 - 5 + 3 3) 3x + 6y 4) 8(3) - 5 + 2

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3x + 6y

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CCSS.6.EE.A.2B

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Evaluate the numerical expression: 5 x (2 + 1)

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15

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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A(n) __________________ consists of one or more numbers, variables, and operations.

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algebraic expression

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CCSS.6.EE.A.2B

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A _____________ is a symbol, usually a letter that stands for a number.

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variable

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CCSS.6.EE.A.2B

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What is a numerical expression?

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A combination of numbers and operations (like addition, subtraction, multiplication, and division) without variables.

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CCSS.6.EE.A.2B

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What is an algebraic expression?

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An expression that contains numbers, variables, and operations.

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CCSS.6.EE.A.2B

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Evaluate the expression: 4 + 3 x 2

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10

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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What does the term 'coefficient' refer to in an algebraic expression?

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A number that multiplies a variable.

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CCSS.6.EE.A.2B

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What is the value of x in the equation: 2x + 3 = 11?

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4

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CCSS.7.EE.B.4A