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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 264 · 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 2:45 and ends at 3:50. How long is the film? (a) 5 min (b) 2 h 5 min (c) 1 h 15 min (d) 1 h 5 min
  2. 2.A film starts at 7:45 and ends at 9:35. How long is the film? (a) 2 h 50 min (b) 50 min (c) 2 h (d) 1 h 50 min
  3. 3.A film starts at 1:10 and ends at 2:50. How long is the film? (a) 2 h 40 min (b) 1 h 50 min (c) 1 h 40 min (d) 40 min
  4. 4.A film starts at 6:00 and ends at 7:40. How long is the film? (a) 1 h 50 min (b) 2 h 40 min (c) 1 h 40 min (d) 40 min
  5. 5.What time was it 45 minutes before 3:10? (a) 2:25 (b) 1:25 (c) 3:25 (d) 2:35
  6. 6.What time will it be 25 minutes after 6:35? (a) 6:50 (b) 6:00 (c) 8:00 (d) 7:00
  7. 7.What time will it be 40 minutes after 4:35? (a) 5:05 (b) 6:15 (c) 5:15 (d) 4:15
  8. 8.What time was it 20 minutes before 2:05? (a) 1:55 (b) 1:45 (c) 1:35 (d) 2:45
  9. 9.What time will it be 25 minutes after 8:25? (a) 8:40 (b) 9:50 (c) 8:50 (d) 7:50
  10. 10.A film starts at 5:35 and ends at 6:05. How long is the film? (a) 30 min (b) 40 min (c) 1 h 30 min (d) 20 min
  11. 11.What time was it 25 minutes before 8:30? (a) 8:05 (b) 7:05 (c) 8:15 (d) 9:05
  12. 12.What time will it be 20 minutes after 7:05? (a) 8:25 (b) 7:15 (c) 7:25 (d) 6:25
  13. 13.A film starts at 6:40 and ends at 7:35. How long is the film? (a) 55 min (b) 1 h 55 min (c) 1 h 5 min (d) 45 min
  14. 14.A film starts at 4:30 and ends at 5:15. How long is the film? (a) 45 min (b) 55 min (c) 1 h 45 min (d) 35 min
  15. 15.A film starts at 6:00 and ends at 8:35. How long is the film? (a) 2 h 45 min (b) 1 h 35 min (c) 2 h 35 min (d) 3 h 35 min
  16. 16.What time will it be 20 minutes after 7:45? (a) 9:05 (b) 7:05 (c) 8:05 (d) 7:55
  17. 17.What time will it be 15 minutes after 10:00? (a) 11:15 (b) 9:15 (c) 10:15 (d) 10:05
  18. 18.What time will it be 25 minutes after 10:35? (a) 11:00 (b) 10:00 (c) 12:00 (d) 10:50
  19. 19.A film starts at 5:20 and ends at 6:55. How long is the film? (a) 2 h 35 min (b) 35 min (c) 1 h 45 min (d) 1 h 35 min
  20. 20.What time will it be 15 minutes after 10:25? (a) 11:40 (b) 10:40 (c) 10:30 (d) 9:40
  21. 21.What time will it be 15 minutes after 8:10? (a) 9:25 (b) 8:25 (c) 8:15 (d) 7:25
  22. 22.What time was it 25 minutes before 3:05? (a) 3:40 (b) 2:40 (c) 2:50 (d) 1:40
  23. 23.What time will it be 25 minutes after 7:15? (a) 8:40 (b) 6:40 (c) 7:40 (d) 7:30
  24. 24.What time will it be 15 minutes after 3:50? (a) 4:05 (b) 3:55 (c) 3:05 (d) 5:05
  25. 25.A film starts at 8:00 and ends at 9:15. How long is the film? (a) 2 h 15 min (b) 15 min (c) 1 h 15 min (d) 1 h 25 min
  26. 26.What time will it be 40 minutes after 8:05? (a) 8:45 (b) 7:45 (c) 9:45 (d) 8:35
  27. 27.What time was it 35 minutes before 10:30? (a) 10:55 (b) 9:55 (c) 8:55 (d) 10:05
  28. 28.What time was it 25 minutes before 10:10? (a) 8:45 (b) 9:55 (c) 10:45 (d) 9:45
  29. 29.What time will it be 15 minutes after 10:55? (a) 11:00 (b) 12:10 (c) 11:10 (d) 10:10
  30. 30.What time will it be 20 minutes after 7:20? (a) 7:40 (b) 7:30 (c) 6:40 (d) 8:40
  31. 31.A film starts at 3:00 and ends at 3:40. How long is the film? (a) 1 h 40 min (b) 30 min (c) 50 min (d) 40 min
  32. 32.What time was it 15 minutes before 7:45? (a) 7:40 (b) 8:30 (c) 6:30 (d) 7:30
  33. 33.What time was it 35 minutes before 10:15? (a) 8:40 (b) 10:40 (c) 9:50 (d) 9:40
  34. 34.What time will it be 50 minutes after 8:15? (a) 8:05 (b) 10:05 (c) 9:05 (d) 8:55
  35. 35.A film starts at 1:00 and ends at 3:55. How long is the film? (a) 1 h 55 min (b) 3 h 55 min (c) 3 h 5 min (d) 2 h 55 min
  36. 36.A film starts at 5:05 and ends at 8:00. How long is the film? (a) 1 h 55 min (b) 2 h 55 min (c) 3 h 5 min (d) 3 h 55 min
  37. 37.What time will it be 20 minutes after 3:00? (a) 3:10 (b) 2:20 (c) 4:20 (d) 3:20
  38. 38.What time will it be 25 minutes after 4:20? (a) 5:45 (b) 4:35 (c) 3:45 (d) 4:45
  39. 39.What time will it be 15 minutes after 10:35? (a) 9:50 (b) 11:50 (c) 10:40 (d) 10:50
  40. 40.What time will it be 25 minutes after 5:45? (a) 6:10 (b) 6:00 (c) 5:10 (d) 7:10

Answer key

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

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