Mastering Math Vocabulary: Grade 6 Edition

What do we call a mathematical sentence that contains an equals sign (=)?

• Expression

• Equation

• Variable

• Inverse Operation

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Which term describes letter used to represent a number that is not yet known?

• Equation

• Expression

• Variable

• Inverse Operation

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What is the term for operations that undo each other, such as addition and subtraction?

• Equation

• Expression

• Variable

• Inverse Operation

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What do we call a combination of numbers, variables, and operations WITHOUT an equals sign?

• Equation

• Expression

• Variable

• Inverse Operation

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If multiplication is used to combine a number and a variable, what is the inverse operation that can be used to separate them?

• Addition

• Subtraction

• Division

• Exponentiation

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When you use the opposite operation you are using ?

• Equation

• Expression

• Variable

• Inverse Operation

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Which of the following is an example of an equation?

• 3x + 5

• x^2 - 1

• 2 + 2 = 4

• 7y

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If you have the equation x + 5 = 12, what operation would you use to solve for x?

• Addition

• Subtraction

• Multiplication

• Division

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What do you call a letter that represents a number in an algebraic expression or equation?

• Coefficient

• Constant

• Variable

• Term

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When you replace a letter with a numerical value you are using ?

• Expression

• Substitution

• Inverse

• Equation

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