Math Vocabulary

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Sum

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The answer to an addition problem. Example: The sum of 3 and 4 is 7.

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Difference

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The answer to a subtraction problem. Example: The difference between 10 and 6 is 4.

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Product

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The answer to a multiplication problem. Example: The product of 5 and 3 is 15.

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Quotient

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The answer to a division problem. Example: The quotient of 12 divided by 4 is 3.

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Factor

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A number that is multiplied in a multiplication sentence. Example: In 3×4=12, 3 and 4 are factors of 12.

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Multiple

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The product of a number and any whole number. Example: Multiples of 5 are 5, 10, 15, 20, etc.

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Greatest Common Factor (GCF)

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The largest factor that two or more numbers have in common. Example: The GCF of 18 and 24 is 6.

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Least Common Multiple (LCM)

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The smallest multiple that two or more numbers have in common. Example: The LCM of 4 and 6 is 12.

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Numerator

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The top number in a fraction. Example: In the fraction 3/5, 3 is the numerator.

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Denominator

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The bottom number in a fraction. Example: In the fraction 3/5, 5 is the denominator.