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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 578 · 40 questions
TalentJR

How to solve it (Jump to the hour): Minutes after: jump to the next full hour, then add the minutes that are left. Minutes before: jump back to the full hour, then go back the rest. How long: change both times to minutes, take away, then change back to hours and minutes (60 minutes = 1 hour).

NameDateTime takenScore ___ / 40
  1. 1.A film starts at 5:15 and ends at 5:55. How long is the film? (a) 30 min (b) 50 min (c) 1 h 40 min (d) 40 min
  2. 2.A film starts at 1:40 and ends at 2:25. How long is the film? (a) 35 min (b) 45 min (c) 1 h 45 min (d) 55 min
  3. 3.A film starts at 6:05 and ends at 6:25. How long is the film? (a) 30 min (b) 20 min (c) 10 min (d) 1 h 20 min
  4. 4.What time was it 55 minutes before 3:40? (a) 2:45 (b) 3:45 (c) 2:55 (d) 1:45
  5. 5.What time will it be 30 minutes after 10:15? (a) 10:45 (b) 11:45 (c) 9:45 (d) 10:35
  6. 6.What time will it be 50 minutes after 6:10? (a) 8:00 (b) 7:00 (c) 6:50 (d) 6:00
  7. 7.What time will it be 25 minutes after 4:55? (a) 5:20 (b) 4:20 (c) 5:10 (d) 6:20
  8. 8.What time was it 30 minutes before 7:20? (a) 7:50 (b) 5:50 (c) 7:00 (d) 6:50
  9. 9.A film starts at 3:20 and ends at 5:45. How long is the film? (a) 2 h 35 min (b) 1 h 25 min (c) 3 h 25 min (d) 2 h 25 min
  10. 10.What time was it 15 minutes before 8:05? (a) 6:50 (b) 7:50 (c) 8:00 (d) 8:50
  11. 11.What time was it 15 minutes before 4:05? (a) 3:50 (b) 4:50 (c) 4:00 (d) 2:50
  12. 12.A film starts at 8:05 and ends at 10:05. How long is the film? (a) 2 h 10 min (b) 2 h (c) 1 h (d) 3 h
  13. 13.What time will it be 50 minutes after 9:00? (a) 8:50 (b) 9:40 (c) 10:50 (d) 9:50
  14. 14.What time was it 20 minutes before 5:30? (a) 6:10 (b) 5:10 (c) 5:20 (d) 4:10
  15. 15.A film starts at 5:30 and ends at 6:10. How long is the film? (a) 50 min (b) 30 min (c) 1 h 40 min (d) 40 min
  16. 16.A film starts at 4:20 and ends at 5:35. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 15 min (d) 1 h 25 min
  17. 17.What time was it 25 minutes before 3:35? (a) 3:10 (b) 4:10 (c) 3:20 (d) 2:10
  18. 18.A film starts at 1:25 and ends at 2:35. How long is the film? (a) 2 h 10 min (b) 1 h 20 min (c) 10 min (d) 1 h 10 min
  19. 19.A film starts at 2:45 and ends at 4:10. How long is the film? (a) 1 h 35 min (b) 25 min (c) 2 h 25 min (d) 1 h 25 min
  20. 20.What time will it be 15 minutes after 10:55? (a) 12:10 (b) 11:00 (c) 11:10 (d) 10:10
  21. 21.What time was it 55 minutes before 5:30? (a) 4:45 (b) 4:35 (c) 5:35 (d) 3:35
  22. 22.A film starts at 8:05 and ends at 8:50. How long is the film? (a) 45 min (b) 1 h 45 min (c) 55 min (d) 35 min
  23. 23.What time was it 55 minutes before 11:40? (a) 9:45 (b) 11:45 (c) 10:55 (d) 10:45
  24. 24.A film starts at 2:30 and ends at 4:10. How long is the film? (a) 1 h 50 min (b) 2 h 40 min (c) 1 h 40 min (d) 40 min
  25. 25.What time will it be 35 minutes after 9:20? (a) 8:55 (b) 9:45 (c) 9:55 (d) 10:55
  26. 26.What time was it 40 minutes before 11:45? (a) 11:05 (b) 11:15 (c) 12:05 (d) 10:05
  27. 27.A film starts at 6:15 and ends at 8:40. How long is the film? (a) 3 h 25 min (b) 1 h 25 min (c) 2 h 25 min (d) 2 h 35 min
  28. 28.A film starts at 8:30 and ends at 9:30. How long is the film? (a) 1 h 10 min (b) 50 min (c) 1 h (d) 2 h
  29. 29.What time was it 45 minutes before 8:30? (a) 8:45 (b) 7:55 (c) 7:45 (d) 6:45
  30. 30.What time will it be 20 minutes after 2:05? (a) 2:15 (b) 2:25 (c) 1:25 (d) 3:25
  31. 31.What time will it be 30 minutes after 7:50? (a) 9:20 (b) 8:10 (c) 7:20 (d) 8:20
  32. 32.A film starts at 3:40 and ends at 6:00. How long is the film? (a) 1 h 20 min (b) 3 h 20 min (c) 2 h 30 min (d) 2 h 20 min
  33. 33.A film starts at 3:30 and ends at 4:45. How long is the film? (a) 2 h 15 min (b) 15 min (c) 1 h 15 min (d) 1 h 25 min
  34. 34.What time was it 35 minutes before 10:15? (a) 10:40 (b) 9:40 (c) 9:50 (d) 8:40
  35. 35.What time will it be 20 minutes after 10:10? (a) 10:20 (b) 9:30 (c) 10:30 (d) 11:30
  36. 36.What time will it be 50 minutes after 2:40? (a) 4:30 (b) 2:30 (c) 3:20 (d) 3:30
  37. 37.What time will it be 15 minutes after 3:10? (a) 3:15 (b) 2:25 (c) 4:25 (d) 3:25
  38. 38.What time was it 20 minutes before 7:10? (a) 7:00 (b) 6:50 (c) 7:50 (d) 5:50
  39. 39.What time was it 55 minutes before 11:50? (a) 9:55 (b) 11:05 (c) 11:55 (d) 10:55
  40. 40.A film starts at 3:15 and ends at 3:50. How long is the film? (a) 35 min (b) 1 h 35 min (c) 25 min (d) 45 min

Answer key

  1. 40 min
  2. 45 min
  3. 20 min
  4. 2:45
  5. 10:45
  6. 7:00
  7. 5:20
  8. 6:50
  9. 2 h 25 min
  10. 7:50
  11. 3:50
  12. 2 h
  13. 9:50
  14. 5:10
  15. 40 min
  16. 1 h 15 min
  17. 3:10
  18. 1 h 10 min
  19. 1 h 25 min
  20. 11:10
  21. 4:35
  22. 45 min
  23. 10:45
  24. 1 h 40 min
  25. 9:55
  26. 11:05
  27. 2 h 25 min
  28. 1 h
  29. 7:45
  30. 2:25
  31. 8:20
  32. 2 h 20 min
  33. 1 h 15 min
  34. 9:40
  35. 10:30
  36. 3:30
  37. 3:25
  38. 6:50
  39. 10:55
  40. 35 min

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