Mathematical Terms and Operations

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Estimate

Back

To estimate is to give a rough calculation of a number by rounding.

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Round

Back

To round is to simplify a number to the nearest 10, 100, 1000, etc.

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Difference

Back

The result of subtracting one number from another number is called the difference.

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Sum

Back

The result of adding one number to another number is called the sum.

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Dividend

Back

The number being divided in a division problem is called the dividend.

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Divisor

Back

The number that divides another number in a division problem is called the divisor.

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Product

Back

When you multiply two numbers together, the answer is called the product.

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Quotient

Back

When you divide two numbers, the answer is called the quotient.

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Parentheses

Back

We use parentheses to group parts of a mathematical expression together.

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Order of operations

Back

We use PEMDAS to help us remember the order of operations, which are the rules used to determine the sequence in which math operations are performed.