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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 183 · 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.How many hours are there from 10:00 to 15:00?
  2. 2.Write 10:45 a.m. in 24-hour time. (a) 12:45 (b) 22:45 (c) 10:45
  3. 3.A film is 4 hours 10 minutes long. How many minutes is that?
  4. 4.Write 5:35 a.m. in 24-hour time. (a) 07:35 (b) 17:35 (c) 05:35
  5. 5.A match starts at 16:15 and lasts 3 hours 50 minutes. At what time does it end? (a) 21:05 (b) 19:05 (c) 20:05
  6. 6.A train leaves at 18:10 and reaches at 20:00. How long is the journey (in minutes)?
  7. 7.Write 7:20 a.m. in 24-hour time. (a) 09:20 (b) 07:20 (c) 19:20
  8. 8.A train leaves at 12:25 and reaches at 15:00. How long is the journey (in minutes)?
  9. 9.A train leaves at 15:30 and reaches at 18:15. How long is the journey (in minutes)?
  10. 10.A train leaves at 06:20 and reaches at 08:10. How long is the journey (in minutes)?
  11. 11.A match starts at 18:15 and lasts 4 hours. At what time does it end? (a) 21:15 (b) 23:15 (c) 22:15
  12. 12.A match starts at 13:35 and lasts 1 hour. At what time does it end? (a) 14:35 (b) 13:35 (c) 15:35
  13. 13.How many hours are there from 06:00 to 16:00?
  14. 14.What is 17:30 in 12-hour time? (a) 7:30 p.m. (b) 5:30 p.m. (c) 5:30 a.m.
  15. 15.A train leaves at 14:10 and reaches at 16:50. How long is the journey (in minutes)?
  16. 16.A film is 3 hours 15 minutes long. How many minutes is that?
  17. 17.A film is 4 hours 50 minutes long. How many minutes is that?
  18. 18.What is 02:10 in 12-hour time? (a) 4:10 a.m. (b) 2:10 a.m. (c) 2:10 p.m.
  19. 19.What is 11:10 in 12-hour time? (a) 11:10 p.m. (b) 1:10 a.m. (c) 11:10 a.m.
  20. 20.A train leaves at 15:20 and reaches at 16:45. How long is the journey (in minutes)?
  21. 21.A match starts at 12:50 and lasts 1 hour 30 minutes. At what time does it end? (a) 14:20 (b) 13:20 (c) 15:20
  22. 22.Write 5:50 a.m. in 24-hour time. (a) 05:50 (b) 07:50 (c) 17:50
  23. 23.What is 09:25 in 12-hour time? (a) 9:25 a.m. (b) 11:25 a.m. (c) 9:25 p.m.
  24. 24.A match starts at 08:45 and lasts 3 hours 10 minutes. At what time does it end? (a) 10:55 (b) 12:55 (c) 11:55
  25. 25.Write 11:40 a.m. in 24-hour time. (a) 23:40 (b) 11:40 (c) 13:40
  26. 26.What is 20:55 in 12-hour time? (a) 8:55 a.m. (b) 10:55 p.m. (c) 8:55 p.m.
  27. 27.A film is 2 hours 20 minutes long. How many minutes is that?
  28. 28.How many hours are there from 10:00 to 23:00?
  29. 29.Write 4:20 a.m. in 24-hour time. (a) 06:20 (b) 16:20 (c) 04:20
  30. 30.How many hours are there from 05:00 to 12:00?
  31. 31.Write 5:40 p.m. in 24-hour time. (a) 19:40 (b) 17:40 (c) 05:40
  32. 32.A film is 4 hours 40 minutes long. How many minutes is that?
  33. 33.Write 8:55 a.m. in 24-hour time. (a) 20:55 (b) 08:55 (c) 10:55
  34. 34.A train leaves at 09:45 and reaches at 12:45. How long is the journey (in minutes)?
  35. 35.A film is 2 hours 30 minutes long. How many minutes is that?
  36. 36.A film is 3 hours 10 minutes long. How many minutes is that?
  37. 37.A film is 1 hour 20 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 10:35 p.m. in 24-hour time. (a) 10:35 (b) 00:35 (c) 22:35
  40. 40.Write 1:00 p.m. in 24-hour time. (a) 13:00 (b) 01:00 (c) 15:00

Answer key

  1. 5
  2. 10:45
  3. 250
  4. 05:35
  5. 20:05
  6. 110
  7. 07:20
  8. 155
  9. 165
  10. 110
  11. 22:15
  12. 14:35
  13. 10
  14. 5:30 p.m.
  15. 160
  16. 195
  17. 290
  18. 2:10 a.m.
  19. 11:10 a.m.
  20. 85
  21. 14:20
  22. 05:50
  23. 9:25 a.m.
  24. 11:55
  25. 11:40
  26. 8:55 p.m.
  27. 140
  28. 13
  29. 04:20
  30. 7
  31. 17:40
  32. 280
  33. 08:55
  34. 180
  35. 150
  36. 190
  37. 80
  38. 16:05
  39. 22:35
  40. 13:00

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