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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 475 · 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 8:45 and ends at 11:00. How long is the film? (a) 2 h 15 min (b) 2 h 25 min (c) 1 h 15 min (d) 3 h 15 min
  2. 2.A film starts at 5:45 and ends at 7:40. How long is the film? (a) 2 h 55 min (b) 2 h 5 min (c) 1 h 55 min (d) 55 min
  3. 3.A film starts at 5:35 and ends at 7:10. How long is the film? (a) 35 min (b) 1 h 45 min (c) 2 h 35 min (d) 1 h 35 min
  4. 4.What time will it be 15 minutes after 10:05? (a) 10:20 (b) 11:20 (c) 10:10 (d) 9:20
  5. 5.A film starts at 4:00 and ends at 5:10. How long is the film? (a) 2 h 10 min (b) 10 min (c) 1 h 10 min (d) 1 h 20 min
  6. 6.What time was it 50 minutes before 7:40? (a) 6:50 (b) 7:50 (c) 5:50 (d) 7:00
  7. 7.A film starts at 7:55 and ends at 9:50. How long is the film? (a) 2 h 55 min (b) 2 h 5 min (c) 1 h 55 min (d) 55 min
  8. 8.What time will it be 50 minutes after 3:05? (a) 2:55 (b) 3:55 (c) 3:45 (d) 4:55
  9. 9.What time will it be 45 minutes after 4:25? (a) 5:00 (b) 6:10 (c) 4:10 (d) 5:10
  10. 10.A film starts at 1:10 and ends at 3:20. How long is the film? (a) 3 h 10 min (b) 1 h 10 min (c) 2 h 20 min (d) 2 h 10 min
  11. 11.A film starts at 5:05 and ends at 7:15. How long is the film? (a) 1 h 10 min (b) 3 h 10 min (c) 2 h 10 min (d) 2 h 20 min
  12. 12.What time will it be 55 minutes after 6:35? (a) 7:30 (b) 8:30 (c) 6:30 (d) 7:20
  13. 13.What time will it be 15 minutes after 6:50? (a) 6:05 (b) 8:05 (c) 7:05 (d) 6:55
  14. 14.What time will it be 30 minutes after 5:05? (a) 5:35 (b) 4:35 (c) 5:25 (d) 6:35
  15. 15.What time will it be 20 minutes after 7:00? (a) 8:20 (b) 6:20 (c) 7:20 (d) 7:10
  16. 16.A film starts at 1:30 and ends at 2:40. How long is the film? (a) 1 h 20 min (b) 10 min (c) 2 h 10 min (d) 1 h 10 min
  17. 17.What time will it be 55 minutes after 1:55? (a) 2:40 (b) 3:50 (c) 2:50 (d) 1:50
  18. 18.What time was it 20 minutes before 3:15? (a) 3:05 (b) 1:55 (c) 2:55 (d) 3:55
  19. 19.What time was it 15 minutes before 2:25? (a) 3:10 (b) 2:20 (c) 1:10 (d) 2:10
  20. 20.What time will it be 15 minutes after 3:30? (a) 2:45 (b) 3:45 (c) 3:35 (d) 4:45
  21. 21.A film starts at 5:55 and ends at 7:55. How long is the film? (a) 1 h (b) 2 h 10 min (c) 3 h (d) 2 h
  22. 22.What time was it 50 minutes before 10:15? (a) 9:35 (b) 10:25 (c) 8:25 (d) 9:25
  23. 23.What time was it 35 minutes before 10:00? (a) 8:25 (b) 9:35 (c) 10:25 (d) 9:25
  24. 24.What time will it be 45 minutes after 3:55? (a) 4:30 (b) 4:40 (c) 5:40 (d) 3:40
  25. 25.What time will it be 25 minutes after 3:45? (a) 4:10 (b) 3:10 (c) 4:00 (d) 5:10
  26. 26.What time will it be 35 minutes after 8:50? (a) 10:25 (b) 9:25 (c) 8:25 (d) 9:15
  27. 27.What time will it be 55 minutes after 7:30? (a) 9:25 (b) 8:25 (c) 7:25 (d) 8:15
  28. 28.What time will it be 55 minutes after 3:55? (a) 4:50 (b) 4:40 (c) 5:50 (d) 3:50
  29. 29.What time was it 50 minutes before 4:35? (a) 3:55 (b) 2:45 (c) 3:45 (d) 4:45
  30. 30.A film starts at 6:55 and ends at 8:55. How long is the film? (a) 2 h 10 min (b) 2 h (c) 3 h (d) 1 h
  31. 31.A film starts at 7:20 and ends at 9:45. How long is the film? (a) 2 h 35 min (b) 2 h 25 min (c) 1 h 25 min (d) 3 h 25 min
  32. 32.A film starts at 7:40 and ends at 9:05. How long is the film? (a) 25 min (b) 2 h 25 min (c) 1 h 25 min (d) 1 h 35 min
  33. 33.What time was it 20 minutes before 2:40? (a) 2:20 (b) 2:30 (c) 3:20 (d) 1:20
  34. 34.What time will it be 20 minutes after 2:00? (a) 2:10 (b) 3:20 (c) 2:20 (d) 1:20
  35. 35.A film starts at 7:55 and ends at 10:05. How long is the film? (a) 2 h 20 min (b) 1 h 10 min (c) 2 h 10 min (d) 3 h 10 min
  36. 36.What time will it be 15 minutes after 7:45? (a) 9:00 (b) 7:50 (c) 8:00 (d) 7:00
  37. 37.What time will it be 35 minutes after 4:45? (a) 4:20 (b) 5:20 (c) 5:10 (d) 6:20
  38. 38.A film starts at 1:20 and ends at 3:50. How long is the film? (a) 2 h 30 min (b) 1 h 30 min (c) 3 h 30 min (d) 2 h 40 min
  39. 39.What time was it 35 minutes before 6:25? (a) 5:50 (b) 6:00 (c) 6:50 (d) 4:50
  40. 40.What time will it be 35 minutes after 7:35? (a) 8:10 (b) 8:00 (c) 9:10 (d) 7:10

Answer key

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

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