Algebraic Expressions Evaluation

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What is an algebraic expression?

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

Tags

CCSS.6.EE.A.2B

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How do you evaluate an algebraic expression?

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To evaluate an algebraic expression, substitute the values of the variables into the expression and perform the operations according to the order of operations.

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CCSS.6.EE.A.2C

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Evaluate the expression 3x + 5 for x = 2.

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11

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CCSS.6.EE.A.2C

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What is the formula for the perimeter of a rectangle?

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The perimeter P of a rectangle is given by the formula P = 2(length + width).

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CCSS.4.MD.A.3

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Find the perimeter of a rectangle with length 4x and width 6.

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The perimeter is 20x.

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CCSS.7.EE.A.1

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9

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CCSS.6.EE.A.2C

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What does it mean to simplify an algebraic expression?

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Simplifying an algebraic expression means to combine like terms and reduce the expression to its simplest form.

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CCSS.7.EE.A.1

Front

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Tags

CCSS.6.EE.A.2C

Front

Evaluate the expression 4y - 2z for y = 3 and z = 2.

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8

Tags

CCSS.6.EE.A.2C

Front

What is a variable in algebra?

Back

A variable is a symbol, usually a letter, that represents an unknown value in an expression or equation.

Tags

CCSS.6.EE.A.2B