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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 83 · 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 6:15 and ends at 9:15. How long is the film? (a) 3 h 10 min (b) 4 h (c) 2 h (d) 3 h
  2. 2.What time will it be 40 minutes after 2:25? (a) 2:55 (b) 4:05 (c) 3:05 (d) 2:05
  3. 3.What time will it be 20 minutes after 3:40? (a) 5:00 (b) 3:00 (c) 4:00 (d) 3:50
  4. 4.What time will it be 25 minutes after 2:30? (a) 3:55 (b) 2:45 (c) 1:55 (d) 2:55
  5. 5.A film starts at 7:15 and ends at 7:55. How long is the film? (a) 1 h 40 min (b) 50 min (c) 40 min (d) 30 min
  6. 6.A film starts at 7:25 and ends at 8:50. How long is the film? (a) 1 h 35 min (b) 25 min (c) 1 h 25 min (d) 2 h 25 min
  7. 7.What time will it be 50 minutes after 10:45? (a) 10:35 (b) 11:25 (c) 12:35 (d) 11:35
  8. 8.A film starts at 7:25 and ends at 9:55. How long is the film? (a) 3 h 30 min (b) 2 h 40 min (c) 2 h 30 min (d) 1 h 30 min
  9. 9.What time will it be 20 minutes after 1:45? (a) 1:05 (b) 1:55 (c) 2:05 (d) 3:05
  10. 10.A film starts at 3:55 and ends at 5:55. How long is the film? (a) 1 h (b) 3 h (c) 2 h (d) 2 h 10 min
  11. 11.What time will it be 40 minutes after 1:40? (a) 2:10 (b) 3:20 (c) 1:20 (d) 2:20
  12. 12.What time will it be 30 minutes after 9:05? (a) 10:35 (b) 9:35 (c) 9:25 (d) 8:35
  13. 13.What time was it 50 minutes before 5:05? (a) 4:15 (b) 5:15 (c) 4:25 (d) 3:15
  14. 14.What time was it 20 minutes before 7:50? (a) 6:30 (b) 7:30 (c) 7:40 (d) 8:30
  15. 15.A film starts at 6:25 and ends at 8:20. How long is the film? (a) 55 min (b) 2 h 5 min (c) 1 h 55 min (d) 2 h 55 min
  16. 16.What time was it 30 minutes before 4:35? (a) 4:05 (b) 5:05 (c) 4:15 (d) 3:05
  17. 17.What time will it be 45 minutes after 2:55? (a) 3:40 (b) 3:30 (c) 4:40 (d) 2:40
  18. 18.What time will it be 20 minutes after 4:20? (a) 4:30 (b) 3:40 (c) 5:40 (d) 4:40
  19. 19.A film starts at 2:45 and ends at 3:35. How long is the film? (a) 1 h 50 min (b) 1 h (c) 50 min (d) 40 min
  20. 20.What time will it be 25 minutes after 5:25? (a) 6:50 (b) 5:50 (c) 5:40 (d) 4:50
  21. 21.What time will it be 30 minutes after 6:35? (a) 8:05 (b) 6:55 (c) 6:05 (d) 7:05
  22. 22.What time will it be 55 minutes after 3:40? (a) 4:25 (b) 4:35 (c) 3:35 (d) 5:35
  23. 23.What time was it 50 minutes before 11:25? (a) 10:45 (b) 9:35 (c) 11:35 (d) 10:35
  24. 24.What time will it be 25 minutes after 9:35? (a) 9:50 (b) 11:00 (c) 9:00 (d) 10:00
  25. 25.What time was it 20 minutes before 7:05? (a) 6:45 (b) 6:55 (c) 7:45 (d) 5:45
  26. 26.What time was it 25 minutes before 11:15? (a) 10:50 (b) 11:50 (c) 11:00 (d) 9:50
  27. 27.What time will it be 35 minutes after 4:30? (a) 5:05 (b) 4:55 (c) 4:05 (d) 6:05
  28. 28.What time was it 40 minutes before 2:15? (a) 2:35 (b) 1:35 (c) 1:25 (d) 1:45
  29. 29.What time was it 15 minutes before 4:35? (a) 4:30 (b) 3:20 (c) 4:20 (d) 5:20
  30. 30.What time will it be 35 minutes after 2:45? (a) 4:20 (b) 3:20 (c) 3:10 (d) 2:20
  31. 31.What time will it be 40 minutes after 2:15? (a) 1:55 (b) 3:55 (c) 2:55 (d) 2:45
  32. 32.A film starts at 3:00 and ends at 4:15. How long is the film? (a) 2 h 15 min (b) 1 h 25 min (c) 1 h 15 min (d) 15 min
  33. 33.A film starts at 5:35 and ends at 6:50. How long is the film? (a) 15 min (b) 2 h 15 min (c) 1 h 15 min (d) 1 h 25 min
  34. 34.What time will it be 35 minutes after 9:00? (a) 10:35 (b) 9:25 (c) 8:35 (d) 9:35
  35. 35.What time will it be 25 minutes after 5:55? (a) 6:20 (b) 6:10 (c) 7:20 (d) 5:20
  36. 36.What time will it be 45 minutes after 9:10? (a) 9:45 (b) 10:55 (c) 9:55 (d) 8:55
  37. 37.What time was it 40 minutes before 8:45? (a) 7:05 (b) 8:15 (c) 8:05 (d) 9:05
  38. 38.A film starts at 8:10 and ends at 8:40. How long is the film? (a) 40 min (b) 1 h 30 min (c) 20 min (d) 30 min
  39. 39.A film starts at 3:55 and ends at 4:45. How long is the film? (a) 1 h 50 min (b) 40 min (c) 50 min (d) 1 h
  40. 40.A film starts at 4:15 and ends at 6:35. How long is the film? (a) 2 h 30 min (b) 3 h 20 min (c) 1 h 20 min (d) 2 h 20 min

Answer key

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

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