Mathematics Terminology

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Digit

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A single whole number that can be used to write other numbers; part of a number.

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Standard Form

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Writing numbers using only digits.

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Expanded Form

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Writing a number to show the value of each digit.

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Place Value

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The value of a digit based on where in a number it is located (its position).

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Base Ten

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Our number system, which uses ten different digits and place value to represent amounts.

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Equation

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A number sentence; both sides equal to each other, using an equal sign.

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Numerical Expression

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Contains a collection of numbers and operations.

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Algorithm

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Step-by-step method for solving a problem.

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Inverse Operation

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Operations that undo each other; the opposite operation.

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Addition

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The process of combining two or more numbers to find their sum/total.