Page 145 - New Medley 4 Semester 2 PDF (Merged)

B. Read and write the time by drawing hands on the clocks.

1. 2. 3.

8:13 2:32 12 minutes to 7

C. Convert the following into minutes.
1. 2 h 2. 11 h 3. 3 h 40 min 4. 10 h 15 min

D. Convert the following into seconds.

1. 11 min 2. 16 min 20 s 3. 21 min 5 s 4. 32 min 8 s

E. Convert the following into hours and minutes.

1. 600 min 2. 425 min 3. 1300 min 4. 2045 min

F. Convert the following into minutes and seconds.
1. 840 s 2. 1800 s 3. 4280 s 4. 5540 s

Use of A.M. and P.M.

In Class 3, we learnt that the time from one midnight to next midnight is
called a day. In a day, the hour hand completes two rounds on the face

of a clock. That means, a day has 2 × 12 hours or 24 hours.

Ante meridiem (in short a.m.)

is used for time between Midnight
12 midnight to 12 noon and 10 11 12 1 2
9 3
post meridiem (in short p.m.) 8 4
7 Post Meridiem Ante Meridiem 5
is used for the time between
Evening 6 6 Morning
12 noon to 12 midnight. This can
be understood by observing the 5 7
4 P.M. A.M. 8
adjacent diagram. 3 2 9
1 12 11 10
Noon

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