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Different Measures of Time: –
To measure lengthy time period we use dates, weeks, months and years. = 12 months or 365/three hundred and sixty six days
1 hour
60 minutes
1 12 months
24 hours
1 month = 30/31 days or 4 weeks approx. 1 day
60 seconds
1 week = 7 days
1 minute
Maintain in Thoughts
Solely February has 28 days. In leap years, it has 29 day Change 6 days into hours:
Change 7 hours 20 minutes into minutes:
1 hour 60 minutes ..
7 hour = 7 x 60 minutes = 420 minutes
1 day = 24 hours ..
6 days 6 × 24 hours
= 420 minutes + 20 minutes
= 144 hours
= 440 minutes
Change 5 months 2 weeks into days:
1 month 30 days .. 5 months = 5 x 30 = 150 days
1 week = 7 days
2 weeks = 2 x7 = 14 days
= 150 days + 14 days = 165 days
Change 4 minutes 30 seconds into seconds
1 minute 60 seconds .. 4 minutes = 4 x 60
= 240 seconds
= 240 seconds + 30 seconds
= 270 seconds
Train 10C
I. Fill within the blanks:
a. 8 months =
days
e. 10 hours = minutes
b. 4 weeks = days
seconds
f. 10 minutes =
g. 7 months =
c. 5 hours = d. 8 days = hours
minutes
days
h. 2 weeks =
hours
II. Change and write in your notice e-book:
a. 5 days into hours
b. 4 hours 12 minutes into minutes
e. 5 days and 6 hours into hours f. 3 hours 17 minutes into minutes
c. 5 weeks and 4 days into days
d. 9 minutes 30 seconds into seconds
g. 13 minutes into seconds
h. 8 months 12 days into days
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