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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 465 · 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 50 minutes long. How many minutes is that?
  2. 2.How many hours are there from 11:00 to 20:00?
  3. 3.A train leaves at 10:20 and reaches at 10:45. How long is the journey (in minutes)?
  4. 4.Write 11:20 a.m. in 24-hour time. (a) 23:20 (b) 11:20 (c) 13:20
  5. 5.Write 9:50 a.m. in 24-hour time. (a) 21:50 (b) 09:50 (c) 11:50
  6. 6.What is 21:50 in 12-hour time? (a) 9:50 a.m. (b) 11:50 p.m. (c) 9:50 p.m.
  7. 7.Write 3:45 a.m. in 24-hour time. (a) 03:45 (b) 05:45 (c) 15:45
  8. 8.A match starts at 06:45 and lasts 3 hours 10 minutes. At what time does it end? (a) 09:55 (b) 08:55 (c) 10:55
  9. 9.A train leaves at 18:05 and reaches at 19:40. How long is the journey (in minutes)?
  10. 10.What is 15:40 in 12-hour time? (a) 3:40 p.m. (b) 5:40 p.m. (c) 3:40 a.m.
  11. 11.Write 11:40 a.m. in 24-hour time. (a) 23:40 (b) 11:40 (c) 13:40
  12. 12.What is 10:15 in 12-hour time? (a) 10:15 p.m. (b) 12:15 a.m. (c) 10:15 a.m.
  13. 13.What is 23:35 in 12-hour time? (a) 1:35 p.m. (b) 11:35 p.m. (c) 11:35 a.m.
  14. 14.Write 7:50 p.m. in 24-hour time. (a) 07:50 (b) 21:50 (c) 19:50
  15. 15.How many hours are there from 06:00 to 18:00?
  16. 16.How many hours are there from 08:00 to 11:00?
  17. 17.Write 2:05 a.m. in 24-hour time. (a) 14:05 (b) 04:05 (c) 02:05
  18. 18.What is 05:50 in 12-hour time? (a) 7:50 a.m. (b) 5:50 a.m. (c) 5:50 p.m.
  19. 19.A film is 1 hour 35 minutes long. How many minutes is that?
  20. 20.How many hours are there from 09:00 to 15:00?
  21. 21.Write 2:55 a.m. in 24-hour time. (a) 14:55 (b) 02:55 (c) 04:55
  22. 22.Write 11:50 a.m. in 24-hour time. (a) 11:50 (b) 23:50 (c) 13:50
  23. 23.A film is 4 hours 35 minutes long. How many minutes is that?
  24. 24.A match starts at 07:00 and lasts 3 hours 35 minutes. At what time does it end? (a) 09:35 (b) 11:35 (c) 10:35
  25. 25.How many hours are there from 11:00 to 18:00?
  26. 26.How many hours are there from 07:00 to 12:00?
  27. 27.What is 20:30 in 12-hour time? (a) 8:30 p.m. (b) 8:30 a.m. (c) 10:30 p.m.
  28. 28.Write 7:40 a.m. in 24-hour time. (a) 09:40 (b) 07:40 (c) 19:40
  29. 29.Write 8:35 p.m. in 24-hour time. (a) 08:35 (b) 20:35 (c) 22:35
  30. 30.A train leaves at 07:55 and reaches at 10:35. How long is the journey (in minutes)?
  31. 31.A train leaves at 16:05 and reaches at 19:10. How long is the journey (in minutes)?
  32. 32.A film is 4 hours 40 minutes long. How many minutes is that?
  33. 33.How many hours are there from 05:00 to 16:00?
  34. 34.Write 11:35 a.m. in 24-hour time. (a) 13:35 (b) 11:35 (c) 23:35
  35. 35.A match starts at 16:45 and lasts 3 hours 50 minutes. At what time does it end? (a) 19:35 (b) 20:35 (c) 21:35
  36. 36.Write 8:00 p.m. in 24-hour time. (a) 22:00 (b) 08:00 (c) 20:00
  37. 37.A train leaves at 14:50 and reaches at 16:50. How long is the journey (in minutes)?
  38. 38.What is 05:15 in 12-hour time? (a) 5:15 a.m. (b) 7:15 a.m. (c) 5:15 p.m.
  39. 39.A match starts at 13:35 and lasts 1 hour 10 minutes. At what time does it end? (a) 14:45 (b) 15:45 (c) 13:45
  40. 40.How many hours are there from 12:00 to 14:00?

Answer key

  1. 290
  2. 9
  3. 25
  4. 11:20
  5. 09:50
  6. 9:50 p.m.
  7. 03:45
  8. 09:55
  9. 95
  10. 3:40 p.m.
  11. 11:40
  12. 10:15 a.m.
  13. 11:35 p.m.
  14. 19:50
  15. 12
  16. 3
  17. 02:05
  18. 5:50 a.m.
  19. 95
  20. 6
  21. 02:55
  22. 11:50
  23. 275
  24. 10:35
  25. 7
  26. 5
  27. 8:30 p.m.
  28. 07:40
  29. 20:35
  30. 160
  31. 185
  32. 280
  33. 11
  34. 11:35
  35. 20:35
  36. 20:00
  37. 120
  38. 5:15 a.m.
  39. 14:45
  40. 2

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