Ordinal numbers in English show the position or order of things—like first, second, third, and so on. They’re used all the time in everyday English, whether you’re talking about dates, competitions, floors in a building, or steps in a process. In this complete guide, you’ll learn how to form ordinal numbers, how to use them correctly in sentences, and how they’re different from cardinal numbers. We’ve also included an ordinal number list from 1st to 100th, helpful grammar tips, abbreviation rules (1st, 2nd, 3rd…), and a fun quiz to test your understanding...

by John L. Murphy Social Security Bulletin, Vol. 73, No. 1, 2013 (released February 2013) his study uses data from the Health and Retirement Study (HRS) to analyze the psychological and social variables associated with financial literacy. The HRS is a nationally representative longitudinal survey of individuals older than age 50 and their spouses. An ordinary least squares linear regression analysis explores the relationship between financial literacy and several economic and psychosocial variables. After controlling for earnings, level of education, and other socioeconomic variables in this exploratory...