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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 522 · 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 20 minutes after 9:10? (a) 9:20 (b) 10:30 (c) 9:30 (d) 8:30
  2. 2.A film starts at 4:50 and ends at 7:50. How long is the film? (a) 2 h (b) 4 h (c) 3 h (d) 3 h 10 min
  3. 3.A film starts at 4:20 and ends at 7:10. How long is the film? (a) 3 h (b) 2 h 50 min (c) 3 h 50 min (d) 1 h 50 min
  4. 4.What time was it 35 minutes before 5:10? (a) 4:35 (b) 4:45 (c) 3:35 (d) 5:35
  5. 5.A film starts at 7:10 and ends at 8:30. How long is the film? (a) 20 min (b) 1 h 20 min (c) 1 h 30 min (d) 2 h 20 min
  6. 6.A film starts at 3:10 and ends at 4:20. How long is the film? (a) 2 h 10 min (b) 10 min (c) 1 h 10 min (d) 1 h 20 min
  7. 7.A film starts at 1:40 and ends at 2:50. How long is the film? (a) 2 h 10 min (b) 1 h 20 min (c) 1 h 10 min (d) 10 min
  8. 8.What time will it be 30 minutes after 4:15? (a) 4:35 (b) 5:45 (c) 4:45 (d) 3:45
  9. 9.What time will it be 20 minutes after 8:25? (a) 8:45 (b) 8:35 (c) 9:45 (d) 7:45
  10. 10.What time will it be 50 minutes after 7:15? (a) 8:05 (b) 9:05 (c) 7:55 (d) 7:05
  11. 11.What time was it 20 minutes before 8:50? (a) 8:40 (b) 7:30 (c) 9:30 (d) 8:30
  12. 12.What time was it 25 minutes before 8:05? (a) 8:40 (b) 7:40 (c) 6:40 (d) 7:50
  13. 13.A film starts at 6:15 and ends at 8:10. How long is the film? (a) 55 min (b) 2 h 5 min (c) 2 h 55 min (d) 1 h 55 min
  14. 14.What time will it be 15 minutes after 7:10? (a) 6:25 (b) 8:25 (c) 7:25 (d) 7:15
  15. 15.What time will it be 20 minutes after 10:00? (a) 10:10 (b) 9:20 (c) 10:20 (d) 11:20
  16. 16.A film starts at 4:05 and ends at 5:20. How long is the film? (a) 15 min (b) 2 h 15 min (c) 1 h 15 min (d) 1 h 25 min
  17. 17.What time will it be 45 minutes after 2:05? (a) 2:50 (b) 3:50 (c) 1:50 (d) 2:40
  18. 18.What time will it be 55 minutes after 8:40? (a) 10:35 (b) 9:25 (c) 9:35 (d) 8:35
  19. 19.What time will it be 25 minutes after 7:05? (a) 7:20 (b) 6:30 (c) 7:30 (d) 8:30
  20. 20.A film starts at 7:25 and ends at 9:15. How long is the film? (a) 1 h 50 min (b) 2 h 50 min (c) 50 min (d) 2 h
  21. 21.A film starts at 4:20 and ends at 5:15. How long is the film? (a) 55 min (b) 1 h 5 min (c) 45 min (d) 1 h 55 min
  22. 22.What time was it 30 minutes before 2:25? (a) 1:45 (b) 1:55 (c) 2:55 (d) 2:05
  23. 23.A film starts at 2:55 and ends at 4:50. How long is the film? (a) 55 min (b) 1 h 55 min (c) 2 h 55 min (d) 2 h 5 min
  24. 24.What time was it 55 minutes before 4:15? (a) 2:20 (b) 3:20 (c) 4:20 (d) 3:30
  25. 25.What time was it 55 minutes before 11:40? (a) 11:45 (b) 9:45 (c) 10:45 (d) 10:55
  26. 26.What time will it be 25 minutes after 3:10? (a) 4:35 (b) 3:35 (c) 2:35 (d) 3:25
  27. 27.A film starts at 6:20 and ends at 8:30. How long is the film? (a) 2 h 20 min (b) 2 h 10 min (c) 3 h 10 min (d) 1 h 10 min
  28. 28.What time was it 30 minutes before 4:15? (a) 4:45 (b) 2:45 (c) 3:45 (d) 3:55
  29. 29.What time was it 50 minutes before 8:50? (a) 9:00 (b) 7:00 (c) 8:00 (d) 8:10
  30. 30.What time will it be 50 minutes after 2:50? (a) 4:40 (b) 2:40 (c) 3:30 (d) 3:40
  31. 31.What time was it 25 minutes before 8:50? (a) 8:25 (b) 8:35 (c) 7:25 (d) 9:25
  32. 32.What time was it 55 minutes before 8:15? (a) 8:20 (b) 7:30 (c) 7:20 (d) 6:20
  33. 33.What time will it be 15 minutes after 10:50? (a) 10:05 (b) 10:55 (c) 11:05 (d) 12:05
  34. 34.What time will it be 50 minutes after 10:05? (a) 10:45 (b) 9:55 (c) 11:55 (d) 10:55
  35. 35.A film starts at 4:55 and ends at 7:45. How long is the film? (a) 3 h (b) 3 h 50 min (c) 1 h 50 min (d) 2 h 50 min
  36. 36.What time was it 25 minutes before 7:45? (a) 8:20 (b) 7:30 (c) 6:20 (d) 7:20
  37. 37.What time was it 15 minutes before 3:35? (a) 4:20 (b) 2:20 (c) 3:30 (d) 3:20
  38. 38.What time was it 55 minutes before 10:00? (a) 10:05 (b) 9:15 (c) 8:05 (d) 9:05
  39. 39.What time will it be 15 minutes after 10:30? (a) 9:45 (b) 10:45 (c) 11:45 (d) 10:35
  40. 40.What time was it 35 minutes before 6:40? (a) 6:15 (b) 5:05 (c) 6:05 (d) 7:05

Answer key

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

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