Ante Meridiem,Post Meridiem || Wheel of Time || Class-4 || Mathematics || Whiteboardweb

 

 

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The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. and p.m. Each period consists of 12 hours .

 

 

 

In the 24 hours of a day,the time from 12 midnight to 12 noon is denoted am and the time from 12 noon to 12 midnight is denoted pm.

 

 

am - Ante meridiem (Before noon)

 

 

pm - Post meridiem (After noon)

 

 

 

ACTIVITY  (Write am or pm)

 

 

Morning 9 o' clock =

 

 

After noon 2'o clock =

 

 

Morning 6'o clock =

 

 

Evening 4'o clock =

 

 

Night 9'o clock = 

 

 

 

How many hours ?

 

 4pm to 7pm - 3 hours

8am to 2pm - --hours

10pm to 3am - --hours

6pm to 10 pm - --hours

4am to 12noon - -- hours

12 noon to 12 midnight - --hours

 

 

 Find out

 

 

1)A fair-price shop's working time is 8 in the morning till noon.4 in the afternoon till 8 in the night. For how many hours does this shop work ?

 

 

2)A bank is open for 10am to 4pm from Monday to Friday.Saturday from 10 am to 2pm.The bank is open for how many hours on a Saturday? What about other days ?

 

 

 

ACTIVITY (Time wheel)

 

 

Take two different colour paper strips and mark am time(12hours) in one colour and pm time(12hours) in another colour.Join two strips together and make a time wheel.