7th Grade Math Vocabulary Test

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Operations that undo each other

Back

Inverse operations are operations that reverse the effect of each other, such as addition and subtraction or multiplication and division.

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Fractions that have the same value

Back

Equivalent fractions are different fractions that represent the same value, such as 1/2 and 2/4.

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A symbol used to represent an unknown number

Back

A variable is a letter or symbol that stands for a number that is not yet known.

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A comparison of two quantities by division

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A ratio is a relationship between two numbers indicating how many times the first number contains the second.

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A whole number that has exactly two factors, 1 and itself

Back

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

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A number that can be expressed as a fraction of two integers

Back

A rational number is any number that can be written as a fraction, where both the numerator and the denominator are integers.

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A mathematical statement that two expressions are equal

Back

An equation is a statement that asserts the equality of two expressions.

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A number that is not a whole number

Back

A decimal number is a number that includes a decimal point, representing a fraction of a whole.

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A number that is less than zero

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A negative number is a number that is less than zero, indicating a value below the baseline.

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A mathematical phrase that can contain numbers, variables, and operators

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An expression is a combination of numbers, variables, and operations that represents a value.