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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 56 · 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.Write 6:55 p.m. in 24-hour time. (a) 06:55 (b) 20:55 (c) 18:55
  2. 2.A match starts at 16:40 and lasts 3 hours 30 minutes. At what time does it end? (a) 21:10 (b) 19:10 (c) 20:10
  3. 3.A train leaves at 12:30 and reaches at 15:40. How long is the journey (in minutes)?
  4. 4.What is 23:00 in 12-hour time? (a) 11:00 p.m. (b) 1:00 p.m. (c) 11:00 a.m.
  5. 5.A film is 1 hour 15 minutes long. How many minutes is that?
  6. 6.Write 10:00 a.m. in 24-hour time. (a) 10:00 (b) 22:00 (c) 12:00
  7. 7.A match starts at 16:05 and lasts 1 hour 20 minutes. At what time does it end? (a) 18:25 (b) 17:25 (c) 16:25
  8. 8.A film is 4 hours 10 minutes long. How many minutes is that?
  9. 9.A train leaves at 18:20 and reaches at 19:50. How long is the journey (in minutes)?
  10. 10.A film is 4 hours 40 minutes long. How many minutes is that?
  11. 11.A match starts at 17:45 and lasts 2 hours 15 minutes. At what time does it end? (a) 20:00 (b) 21:00 (c) 19:00
  12. 12.A match starts at 09:35 and lasts 3 hours 5 minutes. At what time does it end? (a) 13:40 (b) 12:40 (c) 11:40
  13. 13.A match starts at 07:05 and lasts 1 hour 45 minutes. At what time does it end? (a) 07:50 (b) 08:50 (c) 09:50
  14. 14.How many hours are there from 12:00 to 22:00?
  15. 15.A film is 2 hours 55 minutes long. How many minutes is that?
  16. 16.How many hours are there from 08:00 to 20:00?
  17. 17.A match starts at 06:00 and lasts 1 hour 35 minutes. At what time does it end? (a) 08:35 (b) 07:35 (c) 06:35
  18. 18.How many hours are there from 08:00 to 14:00?
  19. 19.Write 8:10 p.m. in 24-hour time. (a) 08:10 (b) 22:10 (c) 20:10
  20. 20.Write 8:35 a.m. in 24-hour time. (a) 20:35 (b) 10:35 (c) 08:35
  21. 21.What is 02:30 in 12-hour time? (a) 2:30 p.m. (b) 4:30 a.m. (c) 2:30 a.m.
  22. 22.A train leaves at 12:15 and reaches at 14:05. How long is the journey (in minutes)?
  23. 23.How many hours are there from 09:00 to 12:00?
  24. 24.How many hours are there from 05:00 to 15:00?
  25. 25.A film is 4 hours 15 minutes long. How many minutes is that?
  26. 26.A train leaves at 09:10 and reaches at 11:10. How long is the journey (in minutes)?
  27. 27.A film is 3 hours 20 minutes long. How many minutes is that?
  28. 28.A film is 1 hour 50 minutes long. How many minutes is that?
  29. 29.What is 13:25 in 12-hour time? (a) 3:25 p.m. (b) 1:25 p.m. (c) 1:25 a.m.
  30. 30.A film is 2 hours 10 minutes long. How many minutes is that?
  31. 31.What is 01:15 in 12-hour time? (a) 1:15 p.m. (b) 3:15 a.m. (c) 1:15 a.m.
  32. 32.A film is 3 hours 15 minutes long. How many minutes is that?
  33. 33.How many hours are there from 08:00 to 12:00?
  34. 34.A match starts at 07:00 and lasts 1 hour 10 minutes. At what time does it end? (a) 08:10 (b) 07:10 (c) 09:10
  35. 35.Write 8:50 a.m. in 24-hour time. (a) 20:50 (b) 10:50 (c) 08:50
  36. 36.How many hours are there from 12:00 to 21:00?
  37. 37.A film is 1 hour 40 minutes long. How many minutes is that?
  38. 38.How many hours are there from 12:00 to 14:00?
  39. 39.A match starts at 16:55 and lasts 2 hours 50 minutes. At what time does it end? (a) 18:45 (b) 20:45 (c) 19:45
  40. 40.Write 9:00 p.m. in 24-hour time. (a) 23:00 (b) 21:00 (c) 09:00

Answer key

  1. 18:55
  2. 20:10
  3. 190
  4. 11:00 p.m.
  5. 75
  6. 10:00
  7. 17:25
  8. 250
  9. 90
  10. 280
  11. 20:00
  12. 12:40
  13. 08:50
  14. 10
  15. 175
  16. 12
  17. 07:35
  18. 6
  19. 20:10
  20. 08:35
  21. 2:30 a.m.
  22. 110
  23. 3
  24. 10
  25. 255
  26. 120
  27. 200
  28. 110
  29. 1:25 p.m.
  30. 130
  31. 1:15 a.m.
  32. 195
  33. 4
  34. 08:10
  35. 08:50
  36. 9
  37. 100
  38. 2
  39. 19:45
  40. 21:00

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