Cardinal and ordinal numbers Waclaw Sierpinski
Publisher: PWN, Warsaw

Videos, stories and songs to help Grade 1 kids learn about ordinal numbers. As a final project for my Intro to Analysis class, I'm TeXing up a paper and giving a lecture on a topic of my choosing. We have a collection of ordinal numbers songs, videos, games, worksheets and activities that are suitable for Grade 1 kids. Cardinal numbers (“nombres cardinaux” : 1, 2, 3… un, deux, trois… one, two, three…) are used to tell a quantity. I picked cardinal/ordinal numbers. Print After a noun we usually use a cardinal number (e.g. Compare: the third chapter – Chapter Three; the fifth act – Act Five. NOTE: I get a lot of hits from Internet searches on “cardinal and ordinal numbers”. The system of ordinal numbers is again entwined in set theory, and, unlike cardinal numbers, they can be expressed as sets. Quoted from: Pi in the Sky, by John Barrow. If that's how you got here, consider going directly to an expanded and illustrated version of this post on Sophia. One, two, three etc) instead of an ordinal number (e.g.first, second, third etc).