Seconds
How many seconds are in a full minute?
60
How many minutes are in a full hour?
60 minutes
half-past means...
30 minutes after
For example, 4:30 pm
If I get to school at 7:30 and get home at 4:00, how long was I gone?
8.5 Hours
8 Hours, 30 Minutes
How many seconds are in a half-minute?
30 seconds
How many minutes are in a half hour?
30 minutes
quarter-past means...
15 minutes after
For example, 4:15 pm
If I leave to go shopping at 9:00 am & get home at 3:45 pm, how long was I gone?
6 Hours, 45 Minutes
How many seconds are in a quarter of a minute?
15 seconds
How many minutes are in a quarter of an hour?
15 minutes
quarter-til means...
15 minutes until the next hour
For example, 4:45 pm
If I leave for work at 8:00 am and return home 7 hours and 35 minutes later, what time did I get home?
2:35 pm