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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 657 · 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 4:40 and ends at 6:45. How long is the film? (a) 2 h 5 min (b) 3 h 5 min (c) 1 h 5 min (d) 2 h 15 min
  2. 2.A film starts at 6:15 and ends at 7:55. How long is the film? (a) 2 h 40 min (b) 1 h 40 min (c) 1 h 50 min (d) 40 min
  3. 3.What time will it be 50 minutes after 6:55? (a) 8:45 (b) 7:35 (c) 6:45 (d) 7:45
  4. 4.A film starts at 7:35 and ends at 9:05. How long is the film? (a) 1 h 40 min (b) 1 h 30 min (c) 2 h 30 min (d) 30 min
  5. 5.A film starts at 7:00 and ends at 8:45. How long is the film? (a) 1 h 45 min (b) 45 min (c) 1 h 55 min (d) 2 h 45 min
  6. 6.A film starts at 7:10 and ends at 8:10. How long is the film? (a) 50 min (b) 1 h (c) 1 h 10 min (d) 2 h
  7. 7.A film starts at 5:55 and ends at 6:25. How long is the film? (a) 1 h 30 min (b) 30 min (c) 40 min (d) 20 min
  8. 8.What time will it be 40 minutes after 1:15? (a) 1:55 (b) 1:45 (c) 2:05 (d) 2:55
  9. 9.What time will it be 40 minutes after 5:50? (a) 6:20 (b) 6:30 (c) 5:30 (d) 7:30
  10. 10.What time will it be 55 minutes after 2:15? (a) 2:10 (b) 4:10 (c) 3:00 (d) 3:10
  11. 11.A film starts at 7:35 and ends at 8:55. How long is the film? (a) 2 h 20 min (b) 1 h 20 min (c) 1 h 30 min (d) 20 min
  12. 12.A film starts at 4:25 and ends at 6:00. How long is the film? (a) 35 min (b) 2 h 35 min (c) 1 h 45 min (d) 1 h 35 min
  13. 13.What time will it be 20 minutes after 2:25? (a) 3:45 (b) 2:35 (c) 2:45 (d) 1:45
  14. 14.What time will it be 45 minutes after 10:40? (a) 10:25 (b) 11:15 (c) 11:25 (d) 12:25
  15. 15.What time will it be 15 minutes after 2:45? (a) 4:00 (b) 2:00 (c) 3:00 (d) 2:50
  16. 16.What time was it 20 minutes before 9:00? (a) 9:40 (b) 8:40 (c) 8:50 (d) 7:40
  17. 17.What time will it be 30 minutes after 3:35? (a) 3:55 (b) 5:05 (c) 3:05 (d) 4:05
  18. 18.A film starts at 1:25 and ends at 2:10. How long is the film? (a) 35 min (b) 55 min (c) 1 h 45 min (d) 45 min
  19. 19.A film starts at 5:00 and ends at 7:25. How long is the film? (a) 3 h 25 min (b) 2 h 35 min (c) 2 h 25 min (d) 1 h 25 min
  20. 20.A film starts at 3:55 and ends at 5:50. How long is the film? (a) 2 h 5 min (b) 2 h 55 min (c) 1 h 55 min (d) 55 min
  21. 21.A film starts at 2:20 and ends at 3:55. How long is the film? (a) 35 min (b) 1 h 45 min (c) 1 h 35 min (d) 2 h 35 min
  22. 22.What time will it be 45 minutes after 8:05? (a) 7:50 (b) 8:40 (c) 9:50 (d) 8:50
  23. 23.What time will it be 20 minutes after 3:30? (a) 4:50 (b) 3:50 (c) 3:40 (d) 2:50
  24. 24.A film starts at 3:55 and ends at 4:30. How long is the film? (a) 1 h 35 min (b) 45 min (c) 25 min (d) 35 min
  25. 25.A film starts at 2:10 and ends at 3:30. How long is the film? (a) 2 h 20 min (b) 1 h 20 min (c) 20 min (d) 1 h 30 min
  26. 26.What time will it be 55 minutes after 5:05? (a) 5:50 (b) 7:00 (c) 5:00 (d) 6:00
  27. 27.A film starts at 6:25 and ends at 6:45. How long is the film? (a) 10 min (b) 20 min (c) 1 h 20 min (d) 30 min
  28. 28.What time will it be 20 minutes after 2:45? (a) 2:55 (b) 2:05 (c) 3:05 (d) 4:05
  29. 29.What time was it 20 minutes before 7:25? (a) 8:05 (b) 7:15 (c) 6:05 (d) 7:05
  30. 30.What time will it be 20 minutes after 1:05? (a) 1:25 (b) 1:35 (c) 1:15 (d) 2:25
  31. 31.What time will it be 15 minutes after 7:05? (a) 7:10 (b) 8:20 (c) 6:20 (d) 7:20
  32. 32.A film starts at 1:20 and ends at 3:35. How long is the film? (a) 1 h 15 min (b) 2 h 25 min (c) 2 h 15 min (d) 3 h 15 min
  33. 33.A film starts at 4:15 and ends at 7:10. How long is the film? (a) 3 h 5 min (b) 2 h 55 min (c) 3 h 55 min (d) 1 h 55 min
  34. 34.A film starts at 4:55 and ends at 6:25. How long is the film? (a) 30 min (b) 1 h 40 min (c) 1 h 30 min (d) 2 h 30 min
  35. 35.What time was it 25 minutes before 4:55? (a) 4:40 (b) 3:30 (c) 4:30 (d) 5:30
  36. 36.What time was it 15 minutes before 9:30? (a) 8:15 (b) 9:15 (c) 9:25 (d) 10:15
  37. 37.A film starts at 4:40 and ends at 7:10. How long is the film? (a) 2 h 40 min (b) 2 h 30 min (c) 1 h 30 min (d) 3 h 30 min
  38. 38.What time was it 35 minutes before 4:45? (a) 3:10 (b) 5:10 (c) 4:10 (d) 4:20
  39. 39.What time will it be 35 minutes after 8:55? (a) 10:30 (b) 9:30 (c) 8:30 (d) 9:20
  40. 40.A film starts at 5:00 and ends at 5:40. How long is the film? (a) 50 min (b) 40 min (c) 1 h 40 min (d) 30 min

Answer key

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

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