SI Time Units
SI Time Units ajlill Tue, 12/09/2008 - 21:43Name: ___________________________________
So called Standard Notation puts the the English name of the month first, then the day of the month, followed by a comma, and finally the year, like so:
September 4, 1961
Of course standard notation is only standard in countries with a British heritage. Other countries will use their own language, and sometimes a different order of the day, month, and year. This brought about the need for a Standard International means of writing time, or SI notation. This is the 4 digit year, a space, the 2 digit month, a space, and a 2 digit date, like so:
1961 09 04
Write the following in SI notation
| a) March 1, 2004 | ___________________ | b) February 29, 2000 | ___________________ |
| c) June 16, 1921 | ___________________ | d) November 21, 2112 | ___________________ |
| e) July 4, 1776 | ___________________ | f) April 1, 2009 | ___________________ |
Write the following in Standard notation
| a) 1864 03 22 | ________________________ | b) 1999 12 31 | ________________________ |
| c) 2004 05 30 | ________________________ | d) 1929 10 29 | ________________________ |
| e) 1066 10 14 | ________________________ | f) 1759 09 18 | ________________________ |
How do you know this date is incorrect 1997 26 09? Write in standard notation what date I meant to write.
The Language of time
Express the following as a numeric time
| a) twenty to four | ________________________ | b) quarter to ten | ________________________ |
| c) three fourty | ________________________ | d) five minutes to one | ________________________ |
| e) quarter past seven | ________________________ | f) twelve past six | ________________________ |
The Magnitude of time
| a) How many seconds in a minute? | ________________________ |
| b) How many minutes in an hour? | ________________________ |
| c) How many hours in a day? | ________________________ |
| d) How many minutes in 5 hours? | ________________________ |
| e) How many seconds in an hour? | ________________________ |
| f) How many months in a year? | ________________________ |
| g) How many hours in 3 days? | ________________________ |
| h) How many days in a year? | ________________________ |
| i) How many years in a decade? | ________________________ |
| i) How many years in a century? | ________________________ |
| i) How many years in a millenium? | ________________________ |