Unit 4 Review: Numeric and Algebraic Expressionss

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What is the distributive property?

Back

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.

Tags

CCSS.6.EE.A.3

Front

Completely factor the expression 28 + 36 using the distributive property.

Back

4(7 + 9)

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CCSS.7.EE.A.1

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Back

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CCSS.8.EE.A.1

Front

What is the associative property of multiplication?

Back

The associative property states that (a x b) x c = a x (b x c). It shows that the way in which numbers are grouped does not change their product.

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CCSS.3.OA.B.5

Front

If Amy drives at a rate of x miles per hour, what expression represents Uma's speed if she drives half of Amy's speed?

Back

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CCSS.6.EE.B.6

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Select the expression that is equivalent to 6(3m + 9).

Back

18m + 54

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CCSS.6.EE.A.4

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

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CCSS.6.EE.A.2B

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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 numbers for the variables and performing the operations.

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CCSS.6.EE.A.2C

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What is a numeric expression?

Back

A numeric expression is a mathematical phrase that includes numbers and operation symbols but no variables. For example, 4 + 5 is a numeric expression.

Tags

CCSS.6.EE.A.2B

Front

What is the difference between an equation and an expression?

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An equation states that two expressions are equal, while an expression is a combination of numbers, variables, and operations without an equality sign.