2.1 8th Grade Computation

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CCSS.5.NF.B.6

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11

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CCSS.7.NS.A.3

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28

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CCSS.7.NS.A.3

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

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CCSS.7.NS.A.3

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What is the definition of a fraction?

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CCSS.3.NF.A.1

CCSS.3.NF.A.2B

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What is the order of operations in mathematics?

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The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

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CCSS.7.NS.A.3

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What does it mean to evaluate an expression?

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To evaluate an expression means to calculate its value by performing the operations indicated.

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CCSS.6.EE.A.2C

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What is the sum of two fractions?

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To add two fractions, find a common denominator, convert the fractions, and then add the numerators.

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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What is the definition of an exponent?

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An exponent indicates how many times a number (the base) is multiplied by itself.

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CCSS.6.EE.A.1