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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 447 · 40 sums
TalentJR

The method (Add 12 after noon): a.m. → keep the hour, written with 2 digits: 07:15. p.m. → add 12 to the hour: 3:35 p.m. = 15:35. 24-hour back to 12-hour: hour more than 12 → take away 12 and say p.m. Time taken: count whole hours, then minutes. 1 hour = 60 minutes.

NameDateTime takenScore ___ / 40
  1. 1.A film is 2 hours 30 minutes long. How many minutes is that?
  2. 2.What is 15:50 in 12-hour time? (a) 3:50 a.m. (b) 3:50 p.m. (c) 5:50 p.m.
  3. 3.What is 09:20 in 12-hour time? (a) 11:20 a.m. (b) 9:20 a.m. (c) 9:20 p.m.
  4. 4.What is 03:25 in 12-hour time? (a) 5:25 a.m. (b) 3:25 p.m. (c) 3:25 a.m.
  5. 5.A train leaves at 17:40 and reaches at 20:30. How long is the journey (in minutes)?
  6. 6.A film is 3 hours 20 minutes long. How many minutes is that?
  7. 7.How many hours are there from 08:00 to 11:00?
  8. 8.A match starts at 10:40 and lasts 1 hour 10 minutes. At what time does it end? (a) 10:50 (b) 12:50 (c) 11:50
  9. 9.A film is 2 hours 20 minutes long. How many minutes is that?
  10. 10.A train leaves at 08:05 and reaches at 10:25. How long is the journey (in minutes)?
  11. 11.How many hours are there from 12:00 to 15:00?
  12. 12.A match starts at 08:00 and lasts 1 hour 35 minutes. At what time does it end? (a) 09:35 (b) 10:35 (c) 08:35
  13. 13.Write 2:45 a.m. in 24-hour time. (a) 14:45 (b) 04:45 (c) 02:45
  14. 14.Write 8:55 a.m. in 24-hour time. (a) 10:55 (b) 20:55 (c) 08:55
  15. 15.How many hours are there from 12:00 to 21:00?
  16. 16.A match starts at 13:15 and lasts 2 hours 50 minutes. At what time does it end? (a) 15:05 (b) 16:05 (c) 17:05
  17. 17.How many hours are there from 10:00 to 20:00?
  18. 18.What is 21:25 in 12-hour time? (a) 11:25 p.m. (b) 9:25 p.m. (c) 9:25 a.m.
  19. 19.A match starts at 11:30 and lasts 2 hours 40 minutes. At what time does it end? (a) 13:10 (b) 15:10 (c) 14:10
  20. 20.Write 6:50 p.m. in 24-hour time. (a) 18:50 (b) 06:50 (c) 20:50
  21. 21.A film is 1 hour 55 minutes long. How many minutes is that?
  22. 22.How many hours are there from 12:00 to 16:00?
  23. 23.A match starts at 16:35 and lasts 1 hour 15 minutes. At what time does it end? (a) 16:50 (b) 18:50 (c) 17:50
  24. 24.A train leaves at 11:30 and reaches at 12:45. How long is the journey (in minutes)?
  25. 25.A film is 2 hours 45 minutes long. How many minutes is that?
  26. 26.Write 2:40 p.m. in 24-hour time. (a) 02:40 (b) 16:40 (c) 14:40
  27. 27.A film is 2 hours 55 minutes long. How many minutes is that?
  28. 28.What is 14:45 in 12-hour time? (a) 2:45 a.m. (b) 4:45 p.m. (c) 2:45 p.m.
  29. 29.What is 13:55 in 12-hour time? (a) 1:55 a.m. (b) 3:55 p.m. (c) 1:55 p.m.
  30. 30.How many hours are there from 11:00 to 21:00?
  31. 31.A film is 3 hours 15 minutes long. How many minutes is that?
  32. 32.How many hours are there from 10:00 to 18:00?
  33. 33.Write 9:55 a.m. in 24-hour time. (a) 21:55 (b) 11:55 (c) 09:55
  34. 34.Write 10:20 a.m. in 24-hour time. (a) 22:20 (b) 10:20 (c) 12:20
  35. 35.A train leaves at 15:35 and reaches at 16:45. How long is the journey (in minutes)?
  36. 36.A match starts at 16:25 and lasts 1 hour 10 minutes. At what time does it end? (a) 18:35 (b) 16:35 (c) 17:35
  37. 37.A train leaves at 08:50 and reaches at 09:35. How long is the journey (in minutes)?
  38. 38.Write 7:05 a.m. in 24-hour time. (a) 07:05 (b) 19:05 (c) 09:05
  39. 39.A train leaves at 12:40 and reaches at 14:45. How long is the journey (in minutes)?
  40. 40.A match starts at 07:15 and lasts 2 hours. At what time does it end? (a) 09:15 (b) 10:15 (c) 08:15

Answer key

  1. 150
  2. 3:50 p.m.
  3. 9:20 a.m.
  4. 3:25 a.m.
  5. 170
  6. 200
  7. 3
  8. 11:50
  9. 140
  10. 140
  11. 3
  12. 09:35
  13. 02:45
  14. 08:55
  15. 9
  16. 16:05
  17. 10
  18. 9:25 p.m.
  19. 14:10
  20. 18:50
  21. 115
  22. 4
  23. 17:50
  24. 75
  25. 165
  26. 14:40
  27. 175
  28. 2:45 p.m.
  29. 1:55 p.m.
  30. 10
  31. 195
  32. 8
  33. 09:55
  34. 10:20
  35. 70
  36. 17:35
  37. 45
  38. 07:05
  39. 125
  40. 09:15

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