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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 982 · 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.What is 08:55 in 12-hour time? (a) 8:55 a.m. (b) 8:55 p.m. (c) 10:55 a.m.
  2. 2.How many hours are there from 05:00 to 09:00?
  3. 3.A film is 2 hours 30 minutes long. How many minutes is that?
  4. 4.A film is 2 hours 45 minutes long. How many minutes is that?
  5. 5.A film is 1 hour 45 minutes long. How many minutes is that?
  6. 6.A match starts at 11:40 and lasts 4 hours 10 minutes. At what time does it end? (a) 14:50 (b) 15:50 (c) 16:50
  7. 7.How many hours are there from 05:00 to 07:00?
  8. 8.How many hours are there from 07:00 to 13:00?
  9. 9.A match starts at 08:10 and lasts 1 hour 30 minutes. At what time does it end? (a) 09:40 (b) 08:40 (c) 10:40
  10. 10.What is 07:30 in 12-hour time? (a) 7:30 a.m. (b) 7:30 p.m. (c) 9:30 a.m.
  11. 11.A train leaves at 09:05 and reaches at 11:20. How long is the journey (in minutes)?
  12. 12.A match starts at 18:00 and lasts 4 hours. At what time does it end? (a) 23:00 (b) 22:00 (c) 21:00
  13. 13.Write 5:15 a.m. in 24-hour time. (a) 07:15 (b) 17:15 (c) 05:15
  14. 14.Write 3:55 a.m. in 24-hour time. (a) 05:55 (b) 03:55 (c) 15:55
  15. 15.What is 02:35 in 12-hour time? (a) 4:35 a.m. (b) 2:35 a.m. (c) 2:35 p.m.
  16. 16.Write 10:35 a.m. in 24-hour time. (a) 10:35 (b) 12:35 (c) 22:35
  17. 17.What is 14:55 in 12-hour time? (a) 4:55 p.m. (b) 2:55 a.m. (c) 2:55 p.m.
  18. 18.A train leaves at 07:25 and reaches at 10:45. How long is the journey (in minutes)?
  19. 19.A train leaves at 07:20 and reaches at 10:05. How long is the journey (in minutes)?
  20. 20.A match starts at 09:25 and lasts 2 hours 10 minutes. At what time does it end? (a) 10:35 (b) 11:35 (c) 12:35
  21. 21.How many hours are there from 06:00 to 23:00?
  22. 22.How many hours are there from 06:00 to 15:00?
  23. 23.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 4:40 p.m. (c) 2:40 p.m.
  24. 24.Write 3:20 a.m. in 24-hour time. (a) 15:20 (b) 05:20 (c) 03:20
  25. 25.How many hours are there from 05:00 to 08:00?
  26. 26.A film is 4 hours 30 minutes long. How many minutes is that?
  27. 27.What is 08:00 in 12-hour time? (a) 10:00 a.m. (b) 8:00 p.m. (c) 8:00 a.m.
  28. 28.How many hours are there from 09:00 to 21:00?
  29. 29.Write 10:15 a.m. in 24-hour time. (a) 10:15 (b) 22:15 (c) 12:15
  30. 30.A match starts at 11:25 and lasts 3 hours 40 minutes. At what time does it end? (a) 16:05 (b) 15:05 (c) 14:05
  31. 31.A match starts at 17:35 and lasts 2 hours 45 minutes. At what time does it end? (a) 19:20 (b) 21:20 (c) 20:20
  32. 32.How many hours are there from 09:00 to 13:00?
  33. 33.How many hours are there from 07:00 to 18:00?
  34. 34.Write 7:05 a.m. in 24-hour time. (a) 19:05 (b) 09:05 (c) 07:05
  35. 35.Write 3:05 a.m. in 24-hour time. (a) 03:05 (b) 15:05 (c) 05:05
  36. 36.What is 18:15 in 12-hour time? (a) 6:15 p.m. (b) 8:15 p.m. (c) 6:15 a.m.
  37. 37.Write 8:45 a.m. in 24-hour time. (a) 08:45 (b) 20:45 (c) 10:45
  38. 38.How many hours are there from 06:00 to 11:00?
  39. 39.What is 05:00 in 12-hour time? (a) 5:00 a.m. (b) 7:00 a.m. (c) 5:00 p.m.
  40. 40.How many hours are there from 10:00 to 17:00?

Answer key

  1. 8:55 a.m.
  2. 4
  3. 150
  4. 165
  5. 105
  6. 15:50
  7. 2
  8. 6
  9. 09:40
  10. 7:30 a.m.
  11. 135
  12. 22:00
  13. 05:15
  14. 03:55
  15. 2:35 a.m.
  16. 10:35
  17. 2:55 p.m.
  18. 200
  19. 165
  20. 11:35
  21. 17
  22. 9
  23. 2:40 p.m.
  24. 03:20
  25. 3
  26. 270
  27. 8:00 a.m.
  28. 12
  29. 10:15
  30. 15:05
  31. 20:20
  32. 4
  33. 11
  34. 07:05
  35. 03:05
  36. 6:15 p.m.
  37. 08:45
  38. 5
  39. 5:00 a.m.
  40. 7

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