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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 154 · 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 7:55. How long is the film? (a) 3 h 40 min (b) 1 h 40 min (c) 2 h 50 min (d) 2 h 40 min
  2. 2.What time will it be 20 minutes after 6:40? (a) 7:00 (b) 6:50 (c) 6:00 (d) 8:00
  3. 3.What time was it 55 minutes before 10:35? (a) 9:50 (b) 10:40 (c) 8:40 (d) 9:40
  4. 4.A film starts at 5:10 and ends at 5:30. How long is the film? (a) 10 min (b) 30 min (c) 1 h 20 min (d) 20 min
  5. 5.A film starts at 2:05 and ends at 3:00. How long is the film? (a) 45 min (b) 1 h 5 min (c) 1 h 55 min (d) 55 min
  6. 6.What time was it 55 minutes before 5:35? (a) 3:40 (b) 5:40 (c) 4:40 (d) 4:50
  7. 7.A film starts at 2:40 and ends at 4:25. How long is the film? (a) 45 min (b) 2 h 45 min (c) 1 h 55 min (d) 1 h 45 min
  8. 8.What time will it be 20 minutes after 3:30? (a) 3:50 (b) 2:50 (c) 4:50 (d) 3:40
  9. 9.What time was it 45 minutes before 4:00? (a) 3:25 (b) 3:15 (c) 4:15 (d) 2:15
  10. 10.What time was it 55 minutes before 9:50? (a) 9:05 (b) 9:55 (c) 7:55 (d) 8:55
  11. 11.What time will it be 20 minutes after 4:00? (a) 4:10 (b) 5:20 (c) 3:20 (d) 4:20
  12. 12.What time will it be 20 minutes after 10:20? (a) 11:40 (b) 9:40 (c) 10:30 (d) 10:40
  13. 13.What time will it be 20 minutes after 8:10? (a) 9:30 (b) 8:30 (c) 8:20 (d) 7:30
  14. 14.What time will it be 50 minutes after 7:45? (a) 8:35 (b) 7:35 (c) 8:25 (d) 9:35
  15. 15.What time was it 35 minutes before 11:10? (a) 10:45 (b) 10:35 (c) 9:35 (d) 11:35
  16. 16.A film starts at 3:15 and ends at 4:10. How long is the film? (a) 1 h 55 min (b) 1 h 5 min (c) 55 min (d) 45 min
  17. 17.What time will it be 25 minutes after 7:40? (a) 9:05 (b) 7:05 (c) 8:05 (d) 7:55
  18. 18.What time was it 25 minutes before 9:10? (a) 8:45 (b) 7:45 (c) 8:55 (d) 9:45
  19. 19.What time will it be 35 minutes after 7:25? (a) 8:00 (b) 9:00 (c) 7:50 (d) 7:00
  20. 20.What time was it 15 minutes before 8:30? (a) 7:15 (b) 9:15 (c) 8:25 (d) 8:15
  21. 21.What time will it be 15 minutes after 10:45? (a) 10:00 (b) 11:00 (c) 12:00 (d) 10:50
  22. 22.A film starts at 2:50 and ends at 3:20. How long is the film? (a) 40 min (b) 1 h 30 min (c) 30 min (d) 20 min
  23. 23.A film starts at 6:10 and ends at 6:55. How long is the film? (a) 45 min (b) 35 min (c) 55 min (d) 1 h 45 min
  24. 24.What time was it 20 minutes before 3:10? (a) 1:50 (b) 3:50 (c) 2:50 (d) 3:00
  25. 25.What time was it 25 minutes before 11:30? (a) 11:05 (b) 10:05 (c) 11:15 (d) 12:05
  26. 26.What time will it be 30 minutes after 8:05? (a) 8:25 (b) 9:35 (c) 7:35 (d) 8:35
  27. 27.What time was it 40 minutes before 2:45? (a) 2:05 (b) 1:05 (c) 2:15 (d) 3:05
  28. 28.What time will it be 15 minutes after 2:05? (a) 3:20 (b) 1:20 (c) 2:10 (d) 2:20
  29. 29.What time will it be 50 minutes after 1:50? (a) 1:40 (b) 2:30 (c) 2:40 (d) 3:40
  30. 30.What time will it be 50 minutes after 7:55? (a) 7:45 (b) 8:35 (c) 9:45 (d) 8:45
  31. 31.What time will it be 25 minutes after 5:35? (a) 5:50 (b) 6:00 (c) 7:00 (d) 5:00
  32. 32.What time will it be 55 minutes after 9:20? (a) 9:15 (b) 10:15 (c) 10:05 (d) 11:15
  33. 33.A film starts at 6:30 and ends at 7:50. How long is the film? (a) 20 min (b) 2 h 20 min (c) 1 h 20 min (d) 1 h 30 min
  34. 34.A film starts at 5:05 and ends at 7:45. How long is the film? (a) 3 h 40 min (b) 2 h 50 min (c) 2 h 40 min (d) 1 h 40 min
  35. 35.A film starts at 4:30 and ends at 7:30. How long is the film? (a) 3 h (b) 4 h (c) 3 h 10 min (d) 2 h
  36. 36.What time will it be 20 minutes after 9:40? (a) 9:50 (b) 9:00 (c) 11:00 (d) 10:00
  37. 37.A film starts at 3:40 and ends at 6:30. How long is the film? (a) 2 h 50 min (b) 3 h 50 min (c) 3 h (d) 1 h 50 min
  38. 38.What time was it 40 minutes before 7:05? (a) 7:25 (b) 6:35 (c) 5:25 (d) 6:25
  39. 39.What time will it be 15 minutes after 4:30? (a) 4:45 (b) 3:45 (c) 5:45 (d) 4:35
  40. 40.A film starts at 8:10 and ends at 10:40. How long is the film? (a) 3 h 30 min (b) 2 h 30 min (c) 1 h 30 min (d) 2 h 40 min

Answer key

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

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