Mathematics Glossary

Front

An early counting tool used for basic arithmetic.

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Abacus

Front

Always a positive number, absolute value refers to the distance of a number from 0.

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Absolute Value

Front

An angle whose measure is between zero degrees and 90 degrees, or with less than 90-degree radians.

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Acute Angle

Front

A number involved in an addition problem; numbers being added are called addends.

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Addend

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The branch of mathematics that substitutes letters for numbers to solve for unknown values.

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Algebra

Front

A procedure or set of steps used to solve a mathematical computation.

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Algorithm

Front

Two rays sharing the same endpoint (called the angle vertex).

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Angle

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The line dividing an angle into two equal angles.

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Angle Bisector

Front

The two-dimensional space taken up by an object or shape, given in square units.

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Area

Front

A set of numbers or objects that follow a specific pattern.

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Array