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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 316 · 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 2:40 and ends at 3:45. How long is the film? (a) 5 min (b) 1 h 5 min (c) 2 h 5 min (d) 1 h 15 min
  2. 2.What time will it be 55 minutes after 5:20? (a) 7:15 (b) 5:15 (c) 6:05 (d) 6:15
  3. 3.What time was it 25 minutes before 3:25? (a) 3:10 (b) 3:00 (c) 4:00 (d) 2:00
  4. 4.What time was it 30 minutes before 3:50? (a) 3:30 (b) 3:20 (c) 4:20 (d) 2:20
  5. 5.What time will it be 45 minutes after 6:00? (a) 5:45 (b) 7:45 (c) 6:45 (d) 6:35
  6. 6.What time was it 15 minutes before 8:45? (a) 7:30 (b) 8:40 (c) 9:30 (d) 8:30
  7. 7.What time will it be 55 minutes after 8:00? (a) 9:55 (b) 7:55 (c) 8:55 (d) 8:45
  8. 8.What time was it 50 minutes before 11:15? (a) 9:25 (b) 11:25 (c) 10:25 (d) 10:35
  9. 9.What time will it be 20 minutes after 6:50? (a) 7:00 (b) 6:10 (c) 7:10 (d) 8:10
  10. 10.What time was it 15 minutes before 8:35? (a) 7:20 (b) 8:20 (c) 8:30 (d) 9:20
  11. 11.A film starts at 1:50 and ends at 4:30. How long is the film? (a) 2 h 40 min (b) 1 h 40 min (c) 3 h 40 min (d) 2 h 50 min
  12. 12.What time was it 45 minutes before 6:25? (a) 5:40 (b) 5:50 (c) 6:40 (d) 4:40
  13. 13.What time was it 45 minutes before 8:55? (a) 9:10 (b) 8:10 (c) 7:10 (d) 8:20
  14. 14.What time will it be 45 minutes after 6:45? (a) 8:30 (b) 6:30 (c) 7:30 (d) 7:20
  15. 15.A film starts at 3:15 and ends at 4:30. How long is the film? (a) 1 h 15 min (b) 1 h 25 min (c) 15 min (d) 2 h 15 min
  16. 16.A film starts at 1:35 and ends at 2:10. How long is the film? (a) 35 min (b) 1 h 35 min (c) 45 min (d) 25 min
  17. 17.A film starts at 6:50 and ends at 9:25. How long is the film? (a) 3 h 35 min (b) 2 h 45 min (c) 1 h 35 min (d) 2 h 35 min
  18. 18.A film starts at 2:45 and ends at 4:45. How long is the film? (a) 1 h (b) 2 h (c) 3 h (d) 2 h 10 min
  19. 19.What time was it 30 minutes before 4:15? (a) 2:45 (b) 3:55 (c) 4:45 (d) 3:45
  20. 20.A film starts at 2:05 and ends at 4:20. How long is the film? (a) 1 h 15 min (b) 3 h 15 min (c) 2 h 15 min (d) 2 h 25 min
  21. 21.A film starts at 7:00 and ends at 8:30. How long is the film? (a) 1 h 40 min (b) 1 h 30 min (c) 30 min (d) 2 h 30 min
  22. 22.A film starts at 3:40 and ends at 4:10. How long is the film? (a) 1 h 30 min (b) 20 min (c) 30 min (d) 40 min
  23. 23.What time will it be 55 minutes after 3:05? (a) 5:00 (b) 3:00 (c) 3:50 (d) 4:00
  24. 24.A film starts at 4:05 and ends at 5:40. How long is the film? (a) 2 h 35 min (b) 1 h 35 min (c) 1 h 45 min (d) 35 min
  25. 25.A film starts at 6:05 and ends at 7:20. How long is the film? (a) 2 h 15 min (b) 1 h 25 min (c) 15 min (d) 1 h 15 min
  26. 26.A film starts at 6:50 and ends at 7:30. How long is the film? (a) 1 h 40 min (b) 30 min (c) 40 min (d) 50 min
  27. 27.What time was it 40 minutes before 7:30? (a) 7:50 (b) 6:50 (c) 5:50 (d) 7:00
  28. 28.A film starts at 2:25 and ends at 4:40. How long is the film? (a) 2 h 15 min (b) 2 h 25 min (c) 3 h 15 min (d) 1 h 15 min
  29. 29.What time was it 40 minutes before 2:10? (a) 1:40 (b) 2:30 (c) 1:30 (d) 1:20
  30. 30.What time was it 15 minutes before 8:15? (a) 8:10 (b) 8:00 (c) 9:00 (d) 7:00
  31. 31.A film starts at 5:50 and ends at 6:10. How long is the film? (a) 20 min (b) 1 h 20 min (c) 30 min (d) 10 min
  32. 32.What time will it be 30 minutes after 8:05? (a) 7:35 (b) 9:35 (c) 8:25 (d) 8:35
  33. 33.What time was it 25 minutes before 11:35? (a) 10:10 (b) 11:20 (c) 11:10 (d) 12:10
  34. 34.A film starts at 3:15 and ends at 5:30. How long is the film? (a) 2 h 15 min (b) 3 h 15 min (c) 1 h 15 min (d) 2 h 25 min
  35. 35.What time was it 25 minutes before 9:25? (a) 9:10 (b) 8:00 (c) 9:00 (d) 10:00
  36. 36.What time was it 30 minutes before 6:55? (a) 7:25 (b) 6:25 (c) 5:25 (d) 6:35
  37. 37.A film starts at 2:25 and ends at 4:15. How long is the film? (a) 2 h (b) 2 h 50 min (c) 50 min (d) 1 h 50 min
  38. 38.What time was it 25 minutes before 10:00? (a) 9:45 (b) 9:35 (c) 10:35 (d) 8:35
  39. 39.What time was it 55 minutes before 11:05? (a) 10:10 (b) 11:10 (c) 9:10 (d) 10:20
  40. 40.A film starts at 4:15 and ends at 7:15. How long is the film? (a) 2 h (b) 4 h (c) 3 h (d) 3 h 10 min

Answer key

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

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