Uses of Number < Back to Number Uses of Number Stage 1 Junior & Senior Infants Through appropriately playful and engaging learning experiences, children should be able to Stage 2 1st & 2nd Class Through appropriately playful and engaging learning experiences, children should be able to Stage 3 3rd & 4th Class Through appropriately playful and engaging learning experiences, children should be able to Stage 4 Fifth and Sixth class Through appropriately engaging learning experiences, children should be able to develop an awareness that numbers have a variety of uses. Concepts Numbers can be used in different ways. Numbers are used for labelling and identification purposes (nominality), e.g. phone number, number of a bus. Numbers denote quantity or the amount within a set (cardinality). Numbers describe the position of something in a list such as 1st, 2nd, 3rd (ordinality). Numbers are used to measure. Progression Continuum Click on the image to access the progression continuum for the strand unit of 'Uses of number'