:: Digital 24 Hour Clocks ::

On a digital 24 hour clock, at certain times, all the numbers are consecutive (in counting order). You can count forwards or backwards e.g.1:23 or 5:43

http://www.neuton.net/signup/id36.htm

How many times are there times like this between midday and 7:00 a.m.?
How many similar times are there between 7:00 a.m. and midday?
How many similar times are there between midday and midnight?

:: CHALLENGE ::

You have some interstate visitors staying with you who want to visit Hornsby. They need to visit a friend in Hornsby Hospital at 10:30 a.m. and they need to be back home by 4:00 p.m.
Work out how you can spend the time in Hornsby. You must visit Hornsby Hospital but then you can choose to visit three other places e.g. The Aquatic Centre, the Water Clock, McDonalds, the library or do some shopping.You are to travel by public transport. You need to work out what time to leave home, how long it will take you to walk from one place to another and how much time to spend at each place.

www.131500.info/newJourney.asp
www.whereis.com.au
www.cityrail.nsw.gov.au
www.hornsby.nsw.gov.au