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 Page 1


43
ME NT AL
MA
T
HS
 
Time Goes On
Summary
1 Y ear = 12 Months = 365 Days/366 Days {in a leap year}
Number of days in a month:
1 Week = 7 Days
1 Day = 24 Hours
1 Hour = 60 Minutes
1 Minute = 60 Seconds
January, March, May
July, August, October,
December
April, June,
September, November
February
28 days/
29 days in a Leap Year
31 days
30 days
Page 2


43
ME NT AL
MA
T
HS
 
Time Goes On
Summary
1 Y ear = 12 Months = 365 Days/366 Days {in a leap year}
Number of days in a month:
1 Week = 7 Days
1 Day = 24 Hours
1 Hour = 60 Minutes
1 Minute = 60 Seconds
January, March, May
July, August, October,
December
April, June,
September, November
February
28 days/
29 days in a Leap Year
31 days
30 days
44
ME NT AL
MA
T
HS
Questions
1. How many minutes are there in 2 hours?
2. How many times the hour hand goes around the clock in one day?
3. How many times the minute hand goes around the clock in two hours?
4. Ritu gets up at 6.00 a.m. and leaves for her school at 7.30 a.m. How much 
time she took to get ready for school?
5. What is the time shown by the clock?
6. How many total days are there in the month of February and April 2017?
7. Age of father is 25 years more than Asif. If Asif ’s age is 10 years then what 
is his father’s age?
8. Shanti is 18 years younger than Charul. If Charul’s age is 30 years then 
what is Shanti’s age?
9. Rohit’s school is from 7.00 a.m. to 1.30 p.m. For how many hours Rohit 
stays at school?
10. From 2013 to 2017 which is a leap year?
11. How many days are there in 5 weeks?
12. Winter season in from December to February (non leap year). How many 
days are there in this season?
13. What is the time shown by the clock?
Page 3


43
ME NT AL
MA
T
HS
 
Time Goes On
Summary
1 Y ear = 12 Months = 365 Days/366 Days {in a leap year}
Number of days in a month:
1 Week = 7 Days
1 Day = 24 Hours
1 Hour = 60 Minutes
1 Minute = 60 Seconds
January, March, May
July, August, October,
December
April, June,
September, November
February
28 days/
29 days in a Leap Year
31 days
30 days
44
ME NT AL
MA
T
HS
Questions
1. How many minutes are there in 2 hours?
2. How many times the hour hand goes around the clock in one day?
3. How many times the minute hand goes around the clock in two hours?
4. Ritu gets up at 6.00 a.m. and leaves for her school at 7.30 a.m. How much 
time she took to get ready for school?
5. What is the time shown by the clock?
6. How many total days are there in the month of February and April 2017?
7. Age of father is 25 years more than Asif. If Asif ’s age is 10 years then what 
is his father’s age?
8. Shanti is 18 years younger than Charul. If Charul’s age is 30 years then 
what is Shanti’s age?
9. Rohit’s school is from 7.00 a.m. to 1.30 p.m. For how many hours Rohit 
stays at school?
10. From 2013 to 2017 which is a leap year?
11. How many days are there in 5 weeks?
12. Winter season in from December to February (non leap year). How many 
days are there in this season?
13. What is the time shown by the clock?
45
ME NT AL
MA
T
HS
14. Quarter past 7 also represent which time?
15. Quarter to 10 also represent which time?
16. Moon rises at 7.00 p.m. and sets at 5.00 a.m. For how many hours moon 
remain visible?
17. Vikram was born on 12.08.2010. What will be his age on 12.08.2018?
18. Suruchi went to play at 5.00 p.m. and came back at 7.30 p.m. Find the 
duration of her play time.
19. 2 hours 10 minutes = ________ minutes.
20. 260 minutes = ________ hours ________ minutes
21. 15 minutes = ________ seconds.
22. 12 weeks + 3 days = ________ days.
23. 100 days = ________ weeks ________ days.
24. Rashi’s winter break was from 25.12.2016 to 15.01.2017 . What is the 
number of holidays Rashi had?
25. What is the time shown by the clock?
26. How many minutes have passed if the minutes hand has moved from 3  
to 7?
27. 45 minutes + 2 hours = ________ minutes.
28. 3 days + 10 hours = ________ hours.
29. How many hours have passed if the hour hand has moved from 7 to 12?
30. 40 minutes + 40 minutes + 40 minutes = ________ hours.
Page 4


43
ME NT AL
MA
T
HS
 
Time Goes On
Summary
1 Y ear = 12 Months = 365 Days/366 Days {in a leap year}
Number of days in a month:
1 Week = 7 Days
1 Day = 24 Hours
1 Hour = 60 Minutes
1 Minute = 60 Seconds
January, March, May
July, August, October,
December
April, June,
September, November
February
28 days/
29 days in a Leap Year
31 days
30 days
44
ME NT AL
MA
T
HS
Questions
1. How many minutes are there in 2 hours?
2. How many times the hour hand goes around the clock in one day?
3. How many times the minute hand goes around the clock in two hours?
4. Ritu gets up at 6.00 a.m. and leaves for her school at 7.30 a.m. How much 
time she took to get ready for school?
5. What is the time shown by the clock?
6. How many total days are there in the month of February and April 2017?
7. Age of father is 25 years more than Asif. If Asif ’s age is 10 years then what 
is his father’s age?
8. Shanti is 18 years younger than Charul. If Charul’s age is 30 years then 
what is Shanti’s age?
9. Rohit’s school is from 7.00 a.m. to 1.30 p.m. For how many hours Rohit 
stays at school?
10. From 2013 to 2017 which is a leap year?
11. How many days are there in 5 weeks?
12. Winter season in from December to February (non leap year). How many 
days are there in this season?
13. What is the time shown by the clock?
45
ME NT AL
MA
T
HS
14. Quarter past 7 also represent which time?
15. Quarter to 10 also represent which time?
16. Moon rises at 7.00 p.m. and sets at 5.00 a.m. For how many hours moon 
remain visible?
17. Vikram was born on 12.08.2010. What will be his age on 12.08.2018?
18. Suruchi went to play at 5.00 p.m. and came back at 7.30 p.m. Find the 
duration of her play time.
19. 2 hours 10 minutes = ________ minutes.
20. 260 minutes = ________ hours ________ minutes
21. 15 minutes = ________ seconds.
22. 12 weeks + 3 days = ________ days.
23. 100 days = ________ weeks ________ days.
24. Rashi’s winter break was from 25.12.2016 to 15.01.2017 . What is the 
number of holidays Rashi had?
25. What is the time shown by the clock?
26. How many minutes have passed if the minutes hand has moved from 3  
to 7?
27. 45 minutes + 2 hours = ________ minutes.
28. 3 days + 10 hours = ________ hours.
29. How many hours have passed if the hour hand has moved from 7 to 12?
30. 40 minutes + 40 minutes + 40 minutes = ________ hours.
46
ME NT AL
MA
T
HS
Answer Key
1. 120 minutes 16. 10 hours
2. 2 times  17. 8 years
3. 2 times 18. 2½ hours or 2 hour 30 minutes
4. 1 hour 30 minutes 19. 130
5. 1:30/half past one 20. 4, 20
6. 58 days 21. 900
7. 35 years 22. 87
8. 12 years 23. 14
9. Six and a half hours 24. 22 days
10. 2016 25. 10:10
11. 35 days 26. 20 minutes
12. 90 days 27. 165
13. 6:40 28. 82
14. 7:15 29. 5 hours
15. 9:45 30. 2 
Page 5


43
ME NT AL
MA
T
HS
 
Time Goes On
Summary
1 Y ear = 12 Months = 365 Days/366 Days {in a leap year}
Number of days in a month:
1 Week = 7 Days
1 Day = 24 Hours
1 Hour = 60 Minutes
1 Minute = 60 Seconds
January, March, May
July, August, October,
December
April, June,
September, November
February
28 days/
29 days in a Leap Year
31 days
30 days
44
ME NT AL
MA
T
HS
Questions
1. How many minutes are there in 2 hours?
2. How many times the hour hand goes around the clock in one day?
3. How many times the minute hand goes around the clock in two hours?
4. Ritu gets up at 6.00 a.m. and leaves for her school at 7.30 a.m. How much 
time she took to get ready for school?
5. What is the time shown by the clock?
6. How many total days are there in the month of February and April 2017?
7. Age of father is 25 years more than Asif. If Asif ’s age is 10 years then what 
is his father’s age?
8. Shanti is 18 years younger than Charul. If Charul’s age is 30 years then 
what is Shanti’s age?
9. Rohit’s school is from 7.00 a.m. to 1.30 p.m. For how many hours Rohit 
stays at school?
10. From 2013 to 2017 which is a leap year?
11. How many days are there in 5 weeks?
12. Winter season in from December to February (non leap year). How many 
days are there in this season?
13. What is the time shown by the clock?
45
ME NT AL
MA
T
HS
14. Quarter past 7 also represent which time?
15. Quarter to 10 also represent which time?
16. Moon rises at 7.00 p.m. and sets at 5.00 a.m. For how many hours moon 
remain visible?
17. Vikram was born on 12.08.2010. What will be his age on 12.08.2018?
18. Suruchi went to play at 5.00 p.m. and came back at 7.30 p.m. Find the 
duration of her play time.
19. 2 hours 10 minutes = ________ minutes.
20. 260 minutes = ________ hours ________ minutes
21. 15 minutes = ________ seconds.
22. 12 weeks + 3 days = ________ days.
23. 100 days = ________ weeks ________ days.
24. Rashi’s winter break was from 25.12.2016 to 15.01.2017 . What is the 
number of holidays Rashi had?
25. What is the time shown by the clock?
26. How many minutes have passed if the minutes hand has moved from 3  
to 7?
27. 45 minutes + 2 hours = ________ minutes.
28. 3 days + 10 hours = ________ hours.
29. How many hours have passed if the hour hand has moved from 7 to 12?
30. 40 minutes + 40 minutes + 40 minutes = ________ hours.
46
ME NT AL
MA
T
HS
Answer Key
1. 120 minutes 16. 10 hours
2. 2 times  17. 8 years
3. 2 times 18. 2½ hours or 2 hour 30 minutes
4. 1 hour 30 minutes 19. 130
5. 1:30/half past one 20. 4, 20
6. 58 days 21. 900
7. 35 years 22. 87
8. 12 years 23. 14
9. Six and a half hours 24. 22 days
10. 2016 25. 10:10
11. 35 days 26. 20 minutes
12. 90 days 27. 165
13. 6:40 28. 82
14. 7:15 29. 5 hours
15. 9:45 30. 2 
47
ME NT AL
MA
T
HS
ACTIVITY
Tell the Time
1. Tell the time shown in each clock. Write it in numerals and words. 
One is done for you.
  (a) (b)
 6.30 / half past six
2. Show the given time on the clocks. Then, write it in numbers.
  (i) (ii) (iii) (iv)
  Ten half past quarter ten minutes 
  o’clock three to four past eight
  (v) (vi)
  Five minutes to twelve quarter past ten
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FAQs on Printable Textbook: Time Goes On - Level 3 - Mental Maths - Class 1

1. What is the main theme of "Time Goes On - Level 3 Class 1"?
Ans. The main theme of "Time Goes On - Level 3 Class 1" revolves around the concept of time and its significance in our lives. It explores how time influences various aspects, including personal growth, historical events, and the natural world. The text emphasizes the importance of understanding time not just as a measurement but as a framework that shapes experiences and memories.
2. How does the article explain the passage of time in relation to human experiences?
Ans. The article explains the passage of time by highlighting its impact on human experiences, such as aging, learning, and relationships. It discusses how individuals perceive time differently based on their age and experiences, suggesting that time can feel slow or fast depending on one’s activities and emotional states. The text illustrates these points with examples from daily life and historical perspectives.
3. Are there any specific historical events mentioned in the article that illustrate the concept of time?
Ans. Yes, the article mentions several historical events that illustrate the concept of time, such as significant milestones in human history and advancements in technology that have altered how we perceive and measure time. These events serve to highlight the progression of society and the importance of time in shaping cultural and historical narratives.
4. What lessons about time management does the article provide?
Ans. The article provides valuable lessons on time management, emphasizing the importance of prioritizing tasks and setting goals. It suggests techniques such as creating schedules, breaking tasks into smaller steps, and reflecting on how time is spent. By managing time effectively, individuals can enhance productivity and make the most of their experiences.
5. How can the concepts from "Time Goes On - Level 3 Class 1" be applied to everyday life?
Ans. The concepts from "Time Goes On - Level 3 Class 1" can be applied to everyday life by encouraging individuals to be mindful of how they use their time. By recognizing the value of each moment and making deliberate choices about activities, people can create meaningful experiences, foster personal growth, and develop stronger relationships. The article promotes a proactive approach to time, urging readers to reflect on their priorities and make the most of their time.
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