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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 255 · 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 1:15 and ends at 4:00. How long is the film? (a) 1 h 45 min (b) 2 h 45 min (c) 3 h 45 min (d) 2 h 55 min
  2. 2.What time was it 40 minutes before 2:10? (a) 2:30 (b) 1:30 (c) 1:40 (d) 1:20
  3. 3.What time will it be 25 minutes after 5:05? (a) 5:30 (b) 5:20 (c) 4:30 (d) 6:30
  4. 4.What time will it be 25 minutes after 8:30? (a) 7:55 (b) 9:55 (c) 8:45 (d) 8:55
  5. 5.What time will it be 40 minutes after 6:30? (a) 7:10 (b) 7:00 (c) 6:10 (d) 8:10
  6. 6.A film starts at 7:00 and ends at 8:05. How long is the film? (a) 1 h 5 min (b) 2 h 5 min (c) 1 h 15 min (d) 5 min
  7. 7.What time was it 50 minutes before 11:45? (a) 9:55 (b) 11:55 (c) 11:05 (d) 10:55
  8. 8.What time will it be 35 minutes after 8:05? (a) 8:40 (b) 8:30 (c) 7:40 (d) 9:40
  9. 9.What time was it 30 minutes before 8:30? (a) 8:10 (b) 9:00 (c) 7:00 (d) 8:00
  10. 10.What time will it be 15 minutes after 10:45? (a) 10:00 (b) 10:50 (c) 11:00 (d) 12:00
  11. 11.What time was it 15 minutes before 6:15? (a) 6:10 (b) 7:00 (c) 5:00 (d) 6:00
  12. 12.What time will it be 35 minutes after 4:15? (a) 5:50 (b) 3:50 (c) 4:40 (d) 4:50
  13. 13.What time was it 15 minutes before 10:00? (a) 10:45 (b) 8:45 (c) 9:55 (d) 9:45
  14. 14.What time was it 25 minutes before 9:20? (a) 9:55 (b) 9:05 (c) 8:55 (d) 7:55
  15. 15.What time will it be 40 minutes after 3:05? (a) 4:45 (b) 3:35 (c) 2:45 (d) 3:45
  16. 16.A film starts at 7:50 and ends at 8:35. How long is the film? (a) 1 h 45 min (b) 55 min (c) 45 min (d) 35 min
  17. 17.What time will it be 40 minutes after 9:20? (a) 10:00 (b) 9:50 (c) 11:00 (d) 9:00
  18. 18.A film starts at 1:50 and ends at 2:30. How long is the film? (a) 50 min (b) 1 h 40 min (c) 40 min (d) 30 min
  19. 19.What time will it be 30 minutes after 1:30? (a) 1:00 (b) 1:50 (c) 3:00 (d) 2:00
  20. 20.What time will it be 20 minutes after 3:00? (a) 4:20 (b) 2:20 (c) 3:20 (d) 3:10
  21. 21.What time will it be 15 minutes after 10:00? (a) 9:15 (b) 10:05 (c) 11:15 (d) 10:15
  22. 22.A film starts at 4:35 and ends at 5:40. How long is the film? (a) 1 h 15 min (b) 5 min (c) 2 h 5 min (d) 1 h 5 min
  23. 23.What time was it 45 minutes before 4:55? (a) 4:20 (b) 3:10 (c) 4:10 (d) 5:10
  24. 24.A film starts at 2:20 and ends at 5:20. How long is the film? (a) 4 h (b) 3 h 10 min (c) 3 h (d) 2 h
  25. 25.A film starts at 8:05 and ends at 8:35. How long is the film? (a) 40 min (b) 20 min (c) 30 min (d) 1 h 30 min
  26. 26.What time will it be 35 minutes after 6:15? (a) 6:40 (b) 5:50 (c) 7:50 (d) 6:50
  27. 27.What time will it be 15 minutes after 6:25? (a) 6:40 (b) 7:40 (c) 6:30 (d) 5:40
  28. 28.What time was it 15 minutes before 2:00? (a) 1:55 (b) 1:45 (c) 1:35 (d) 2:45
  29. 29.What time will it be 50 minutes after 5:40? (a) 7:30 (b) 5:30 (c) 6:20 (d) 6:30
  30. 30.What time was it 40 minutes before 10:10? (a) 9:40 (b) 9:30 (c) 8:30 (d) 10:30
  31. 31.A film starts at 4:55 and ends at 7:35. How long is the film? (a) 2 h 40 min (b) 2 h 50 min (c) 1 h 40 min (d) 3 h 40 min
  32. 32.What time will it be 50 minutes after 1:20? (a) 3:10 (b) 1:10 (c) 2:10 (d) 2:00
  33. 33.What time was it 55 minutes before 7:50? (a) 7:55 (b) 7:05 (c) 5:55 (d) 6:55
  34. 34.What time was it 45 minutes before 8:15? (a) 7:40 (b) 7:30 (c) 6:30 (d) 8:30
  35. 35.What time will it be 15 minutes after 8:15? (a) 8:20 (b) 8:30 (c) 9:30 (d) 7:30
  36. 36.What time was it 20 minutes before 6:30? (a) 6:20 (b) 6:10 (c) 7:10 (d) 5:10
  37. 37.A film starts at 5:30 and ends at 8:30. How long is the film? (a) 2 h (b) 3 h 10 min (c) 4 h (d) 3 h
  38. 38.A film starts at 2:05 and ends at 4:00. How long is the film? (a) 1 h 55 min (b) 55 min (c) 2 h 5 min (d) 2 h 55 min
  39. 39.A film starts at 3:50 and ends at 5:50. How long is the film? (a) 1 h (b) 2 h 10 min (c) 3 h (d) 2 h
  40. 40.What time was it 20 minutes before 2:35? (a) 2:25 (b) 2:15 (c) 3:15 (d) 1:15

Answer key

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

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