12. Worksheet: Racing Seconds

Q1: Check it is a leap year or not?
(i) 2012

(ii) 2009

Q2: Draw the hands of the clocks to show the time:

(i) 10:05

(ii) 5:15

(iii) 11:40

(iv) 1:40

(v) 4:45

Q3: Write down the time shown by each of the following clocks:
(i) 1:15

(ii) 10:25

(iii) 4:00

Q4: Write the time using a.m. or p.m. :
(i) 10 minutes after midnight

(ii) 5:45 in the evening

(iii) 12:10 in the afternoon

(iv) 11:50 in the morning

(v) 5:35 in the morning

(vi) 12:05 during the night

(vii) 8:15 in the morning

(viii) 4:10  in the evening

Q5: Write a.m. or p.m. in the given blank spaces to make the sentences correct:
(i) Piyush comes back from school at 2:00

(ii) Shilpa cleans her teeth at 6:30

(iii) You take your lunch at 1: 00

(iv) Divya goes to school at 7:30

Q6: What time will it be:
(i) 3 hours after 11:10 p.m.?

(ii) 2 hours after 10:00 p.m.?

(iii) 2 hours before 1:30 p.m.?

(iv) 2 hours after 7:35 a.m.?

(v) 4 hours before 3:00 a.m.?

Q7: Convert the following into seconds:

Note: 1 hour = 60 minutes and 1 minute = 60 seconds

(i) 32 minutes

(ii) 12 minutes

Q8: Answer the following questions:
(i) Manvar started dreaming at 11:50 p.m. His dream lasted for 40 minutes. When did his dream end?

(ii) Shinde started playing volleyball at 4:45 p.m. He played for 1 hour 15 minutes. When did he stop playing?

(iii) A ferry boat started to sail at 11:30 a.m. It completed the journey at 3:10 p.m. How long did it sail?

(iv) Ragini started her dance practice at 5:40 p.m. and stopped it at 7:10 p.m. How long did she practice?


Q9: How many minutes are in 1 hour?
(a)
 60
(b) 
120
(c) 
50
(d) 
30