6th Grade Review- 1st Semester

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4

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CCSS.6.NS.B.3

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How many coefficients are in the expression 12x + 7y - 2?

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2

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CCSS.6.EE.A.2B

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Grace writes an expression showing the sum of a variable m with a coefficient of 5 and a constant of 8. Which did Grace write?

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5m + 8

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CCSS.6.EE.B.6

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Which of the following numbers is an integer but not a whole number? -5, 0, 7, -3

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-3

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20

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CCSS.7.NS.A.3

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What is a coefficient in an algebraic expression?

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A coefficient is a numerical factor in a term of an algebraic expression.

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CCSS.6.EE.A.2B

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Define an integer.

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An integer is a whole number that can be positive, negative, or zero.

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What is the difference between a whole number and an integer?

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Whole numbers are non-negative integers (0, 1, 2, ...), while integers include negative numbers as well.

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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 substituting variables with numbers.

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CCSS.6.EE.A.2C

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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.

Tags

CCSS.7.NS.A.3