Mathematical Concepts and Operations

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Sum

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The result of adding two or more numbers.

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Unknown

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A value that is not known or specified.

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Subtraction

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The operation of finding the difference between two numbers.

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More

Back

A greater amount or number.

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Expanded form

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A way of writing numbers to show the value of each digit.

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Partition

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To divide into parts or sections.

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Inverse operation

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An operation that reverses the effect of another operation.

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About

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Approximately or nearly.

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Comparison

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The act of evaluating two or more things to determine similarities and differences.

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Relationship

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The way in which two or more concepts are connected.