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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 160 · 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.What time will it be 35 minutes after 8:10? (a) 8:35 (b) 9:45 (c) 7:45 (d) 8:45
  2. 2.What time will it be 25 minutes after 3:40? (a) 3:05 (b) 4:05 (c) 5:05 (d) 3:55
  3. 3.A film starts at 6:25 and ends at 8:15. How long is the film? (a) 50 min (b) 1 h 50 min (c) 2 h (d) 2 h 50 min
  4. 4.What time was it 15 minutes before 8:05? (a) 8:00 (b) 7:50 (c) 8:50 (d) 6:50
  5. 5.A film starts at 8:05 and ends at 9:50. How long is the film? (a) 1 h 45 min (b) 45 min (c) 2 h 45 min (d) 1 h 55 min
  6. 6.What time was it 20 minutes before 7:20? (a) 8:00 (b) 6:00 (c) 7:10 (d) 7:00
  7. 7.A film starts at 3:25 and ends at 4:25. How long is the film? (a) 1 h 10 min (b) 50 min (c) 2 h (d) 1 h
  8. 8.A film starts at 1:50 and ends at 4:10. How long is the film? (a) 2 h 30 min (b) 1 h 20 min (c) 3 h 20 min (d) 2 h 20 min
  9. 9.A film starts at 6:45 and ends at 8:55. How long is the film? (a) 2 h 20 min (b) 1 h 10 min (c) 3 h 10 min (d) 2 h 10 min
  10. 10.What time was it 40 minutes before 2:10? (a) 1:40 (b) 1:20 (c) 1:30 (d) 2:30
  11. 11.What time will it be 45 minutes after 9:25? (a) 10:00 (b) 11:10 (c) 10:10 (d) 9:10
  12. 12.A film starts at 1:00 and ends at 3:25. How long is the film? (a) 1 h 25 min (b) 2 h 25 min (c) 2 h 35 min (d) 3 h 25 min
  13. 13.What time was it 20 minutes before 5:05? (a) 4:45 (b) 3:45 (c) 5:45 (d) 4:55
  14. 14.What time was it 50 minutes before 8:25? (a) 8:35 (b) 6:35 (c) 7:35 (d) 7:45
  15. 15.What time was it 15 minutes before 9:30? (a) 9:15 (b) 9:25 (c) 10:15 (d) 8:15
  16. 16.What time will it be 15 minutes after 7:15? (a) 8:30 (b) 7:20 (c) 6:30 (d) 7:30
  17. 17.A film starts at 7:55 and ends at 8:15. How long is the film? (a) 1 h 20 min (b) 30 min (c) 20 min (d) 10 min
  18. 18.What time was it 45 minutes before 9:00? (a) 9:15 (b) 8:25 (c) 7:15 (d) 8:15
  19. 19.A film starts at 6:55 and ends at 8:10. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 1 h 25 min (d) 15 min
  20. 20.What time was it 20 minutes before 8:10? (a) 8:50 (b) 8:00 (c) 6:50 (d) 7:50
  21. 21.What time was it 20 minutes before 6:35? (a) 5:15 (b) 7:15 (c) 6:15 (d) 6:25
  22. 22.A film starts at 4:10 and ends at 6:20. How long is the film? (a) 3 h 10 min (b) 2 h 20 min (c) 2 h 10 min (d) 1 h 10 min
  23. 23.A film starts at 5:35 and ends at 8:30. How long is the film? (a) 2 h 55 min (b) 3 h 55 min (c) 3 h 5 min (d) 1 h 55 min
  24. 24.What time was it 40 minutes before 8:35? (a) 6:55 (b) 8:55 (c) 8:05 (d) 7:55
  25. 25.What time was it 20 minutes before 8:25? (a) 8:15 (b) 7:05 (c) 8:05 (d) 9:05
  26. 26.A film starts at 2:15 and ends at 3:45. How long is the film? (a) 2 h 30 min (b) 1 h 40 min (c) 1 h 30 min (d) 30 min
  27. 27.What time will it be 20 minutes after 4:25? (a) 3:45 (b) 4:45 (c) 4:35 (d) 5:45
  28. 28.What time will it be 50 minutes after 10:45? (a) 10:35 (b) 11:35 (c) 12:35 (d) 11:25
  29. 29.A film starts at 7:15 and ends at 8:00. How long is the film? (a) 55 min (b) 1 h 45 min (c) 35 min (d) 45 min
  30. 30.A film starts at 3:20 and ends at 4:50. How long is the film? (a) 1 h 40 min (b) 1 h 30 min (c) 30 min (d) 2 h 30 min
  31. 31.What time will it be 50 minutes after 10:55? (a) 11:35 (b) 12:45 (c) 11:45 (d) 10:45
  32. 32.A film starts at 5:55 and ends at 6:15. How long is the film? (a) 30 min (b) 1 h 20 min (c) 10 min (d) 20 min
  33. 33.What time will it be 30 minutes after 6:35? (a) 7:05 (b) 8:05 (c) 6:05 (d) 6:55
  34. 34.A film starts at 4:20 and ends at 5:35. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 15 min (d) 1 h 25 min
  35. 35.What time was it 35 minutes before 7:20? (a) 6:55 (b) 6:45 (c) 5:45 (d) 7:45
  36. 36.A film starts at 5:15 and ends at 5:40. How long is the film? (a) 1 h 25 min (b) 25 min (c) 15 min (d) 35 min
  37. 37.What time will it be 35 minutes after 4:10? (a) 3:45 (b) 4:35 (c) 5:45 (d) 4:45
  38. 38.What time will it be 20 minutes after 8:05? (a) 7:25 (b) 9:25 (c) 8:15 (d) 8:25
  39. 39.A film starts at 6:15 and ends at 6:50. How long is the film? (a) 25 min (b) 45 min (c) 35 min (d) 1 h 35 min
  40. 40.What time will it be 45 minutes after 10:55? (a) 11:30 (b) 11:40 (c) 10:40 (d) 12:40

Answer key

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

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