Know the Basic Number Concept

In this tutorial, we may look at the concept of numbers from three different views as:

Ø  Cardinal number concept

Ø  Ordinal number concept

Ø  Ratio number concept

The Cardinal Number Concept:

This number concept expresses quantity. When we count the number of elements in the set, we are talking about the cardinal number concept. E.g. 2, 4, 8 and so on.

The Ordinal Number Concept:

This number concept expresses position. It involves ranking of numbers. When we finding the position of an event e.g. 1^st person in class test, 3th person in a race, 5^th January etc. The numbers 1^st, 3^rd, 5^th, 7^th, etc express the ordinal of number.

The Ratio Number Concept:

This number concept is comparing number with standard measure. It involves measurement. The number is attached to measurement in the ratio number concept. If a book is 4cm long then the book is 4cm compared to a standard centimetre. The numbers 2meters, 4cm, 5kg, 9litres etc express ratio concept of numbers.

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