Ryan Generating Equivalent Expressions

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What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 5x + 9 is an algebraic expression.

Tags

CCSS.6.EE.A.2B

Front

How many terms are in the expression 5x + 9 - 4b?

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There are 3 terms in the expression: 5x, 9, and -4b.

Tags

CCSS.6.EE.A.2B

Front

What does it mean for two expressions to be equivalent?

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Two expressions are equivalent if they have the same value for all values of the variables involved.

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CCSS.6.EE.A.4

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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 each term inside a parentheses.

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CCSS.6.EE.A.3

Front

Use the distributive property to simplify: 5(2f + 4). What is the equivalent expression?

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The equivalent expression is 10f + 20.

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CCSS.6.EE.A.3

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What is a coefficient in an algebraic expression?

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A coefficient is a numerical factor that multiplies a variable. In 4x, 4 is the coefficient.

Tags

CCSS.6.EE.A.2B

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What is the result of combining like terms in the expression 6m - m?

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The result is 5m.

Tags

CCSS.7.EE.A.1

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What is a constant in an algebraic expression?

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A constant is a fixed value that does not change. In the expression 5m + 5, the number 5 is a constant.

Tags

CCSS.6.EE.A.2B

Front

Simplify the expression: 5m + 5 - 3m. What is the equivalent expression?

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The equivalent expression is 2m + 5.

Tags

CCSS.7.EE.A.1

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What is the first step in simplifying an algebraic expression?

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The first step is to identify and combine like terms.

Tags

CCSS.7.EE.A.1