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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 132 · 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 4 hours 40 minutes long. How many minutes is that?
  2. 2.A film is 3 hours 15 minutes long. How many minutes is that?
  3. 3.A train leaves at 06:45 and reaches at 07:20. How long is the journey (in minutes)?
  4. 4.A match starts at 12:45 and lasts 1 hour 5 minutes. At what time does it end? (a) 12:50 (b) 14:50 (c) 13:50
  5. 5.A film is 2 hours 20 minutes long. How many minutes is that?
  6. 6.What is 07:35 in 12-hour time? (a) 7:35 a.m. (b) 7:35 p.m. (c) 9:35 a.m.
  7. 7.What is 10:55 in 12-hour time? (a) 10:55 a.m. (b) 12:55 a.m. (c) 10:55 p.m.
  8. 8.What is 10:45 in 12-hour time? (a) 10:45 p.m. (b) 12:45 a.m. (c) 10:45 a.m.
  9. 9.A film is 4 hours 30 minutes long. How many minutes is that?
  10. 10.How many hours are there from 11:00 to 21:00?
  11. 11.What is 20:05 in 12-hour time? (a) 8:05 a.m. (b) 8:05 p.m. (c) 10:05 p.m.
  12. 12.What is 09:20 in 12-hour time? (a) 9:20 p.m. (b) 11:20 a.m. (c) 9:20 a.m.
  13. 13.How many hours are there from 07:00 to 10:00?
  14. 14.A match starts at 14:05 and lasts 1 hour 30 minutes. At what time does it end? (a) 16:35 (b) 14:35 (c) 15:35
  15. 15.A match starts at 18:10 and lasts 2 hours 5 minutes. At what time does it end? (a) 21:15 (b) 19:15 (c) 20:15
  16. 16.How many hours are there from 05:00 to 09:00?
  17. 17.What is 13:00 in 12-hour time? (a) 3:00 p.m. (b) 1:00 p.m. (c) 1:00 a.m.
  18. 18.How many hours are there from 07:00 to 23:00?
  19. 19.Write 4:25 p.m. in 24-hour time. (a) 18:25 (b) 16:25 (c) 04:25
  20. 20.What is 14:30 in 12-hour time? (a) 4:30 p.m. (b) 2:30 a.m. (c) 2:30 p.m.
  21. 21.Write 8:00 p.m. in 24-hour time. (a) 08:00 (b) 22:00 (c) 20:00
  22. 22.A train leaves at 09:30 and reaches at 10:00. How long is the journey (in minutes)?
  23. 23.Write 3:45 a.m. in 24-hour time. (a) 03:45 (b) 15:45 (c) 05:45
  24. 24.A film is 1 hour 25 minutes long. How many minutes is that?
  25. 25.A train leaves at 09:55 and reaches at 12:30. How long is the journey (in minutes)?
  26. 26.Write 3:05 a.m. in 24-hour time. (a) 15:05 (b) 03:05 (c) 05:05
  27. 27.Write 2:15 a.m. in 24-hour time. (a) 04:15 (b) 14:15 (c) 02:15
  28. 28.A film is 3 hours 40 minutes long. How many minutes is that?
  29. 29.A train leaves at 16:20 and reaches at 18:50. How long is the journey (in minutes)?
  30. 30.How many hours are there from 07:00 to 22:00?
  31. 31.A match starts at 07:30 and lasts 3 hours 15 minutes. At what time does it end? (a) 10:45 (b) 11:45 (c) 09:45
  32. 32.How many hours are there from 11:00 to 16:00?
  33. 33.A film is 1 hour 5 minutes long. How many minutes is that?
  34. 34.How many hours are there from 05:00 to 19:00?
  35. 35.What is 15:10 in 12-hour time? (a) 5:10 p.m. (b) 3:10 p.m. (c) 3:10 a.m.
  36. 36.How many hours are there from 08:00 to 19:00?
  37. 37.A film is 2 hours 45 minutes long. How many minutes is that?
  38. 38.Write 4:05 p.m. in 24-hour time. (a) 18:05 (b) 16:05 (c) 04:05
  39. 39.Write 7:05 a.m. in 24-hour time. (a) 07:05 (b) 19:05 (c) 09:05
  40. 40.A match starts at 09:05 and lasts 2 hours 50 minutes. At what time does it end? (a) 10:55 (b) 11:55 (c) 12:55

Answer key

  1. 280
  2. 195
  3. 35
  4. 13:50
  5. 140
  6. 7:35 a.m.
  7. 10:55 a.m.
  8. 10:45 a.m.
  9. 270
  10. 10
  11. 8:05 p.m.
  12. 9:20 a.m.
  13. 3
  14. 15:35
  15. 20:15
  16. 4
  17. 1:00 p.m.
  18. 16
  19. 16:25
  20. 2:30 p.m.
  21. 20:00
  22. 30
  23. 03:45
  24. 85
  25. 155
  26. 03:05
  27. 02:15
  28. 220
  29. 150
  30. 15
  31. 10:45
  32. 5
  33. 65
  34. 14
  35. 3:10 p.m.
  36. 11
  37. 165
  38. 16:05
  39. 07:05
  40. 11:55

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