Numberexamples

Numberexamples is a term used in mathematics education and knowledge resources to describe concrete numerical instances that illustrate a concept, property, or operation. The term emphasizes practical demonstration through actual numbers rather than abstract descriptions alone.

In teaching and documentation, number examples help learners recognize patterns, test conjectures, and contrast different categories of numbers. They can be selected to highlight features such as parity, divisibility, or decimal representation, and they may be used in exercises, proofs, or computational demonstrations.

Common categories of example numbers include natural numbers (such as 1 or 7, with 0 included in some conventions), integers (for example -3, 0, 4), rational numbers (such as 1/2 and 3.75), irrational numbers (such as the square root of 2 and pi), real numbers in general, and complex numbers (for instance 3 + 4i).

In computational contexts, number examples are used to initialize data sets, verify algorithms, or illustrate edge cases, such as zero, negative values, large magnitudes, or repeating decimals.

See also numbers, numeral, numerical example, mathematical constants.