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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 930 · 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 2:15 and ends at 4:15. How long is the film? (a) 1 h (b) 2 h (c) 2 h 10 min (d) 3 h
  2. 2.What time was it 50 minutes before 8:40? (a) 8:00 (b) 6:50 (c) 8:50 (d) 7:50
  3. 3.What time was it 45 minutes before 7:10? (a) 6:25 (b) 6:35 (c) 5:25 (d) 7:25
  4. 4.What time was it 35 minutes before 10:20? (a) 9:55 (b) 9:45 (c) 10:45 (d) 8:45
  5. 5.A film starts at 1:55 and ends at 4:50. How long is the film? (a) 3 h 5 min (b) 2 h 55 min (c) 1 h 55 min (d) 3 h 55 min
  6. 6.What time will it be 40 minutes after 9:15? (a) 8:55 (b) 9:55 (c) 10:55 (d) 9:45
  7. 7.A film starts at 3:20 and ends at 4:40. How long is the film? (a) 20 min (b) 1 h 20 min (c) 2 h 20 min (d) 1 h 30 min
  8. 8.A film starts at 5:45 and ends at 8:05. How long is the film? (a) 1 h 20 min (b) 2 h 30 min (c) 3 h 20 min (d) 2 h 20 min
  9. 9.A film starts at 4:35 and ends at 5:05. How long is the film? (a) 40 min (b) 1 h 30 min (c) 20 min (d) 30 min
  10. 10.What time will it be 20 minutes after 1:05? (a) 1:35 (b) 1:25 (c) 2:25 (d) 1:15
  11. 11.A film starts at 4:00 and ends at 6:45. How long is the film? (a) 2 h 45 min (b) 1 h 45 min (c) 3 h 45 min (d) 2 h 55 min
  12. 12.A film starts at 8:15 and ends at 10:25. How long is the film? (a) 1 h 10 min (b) 2 h 10 min (c) 3 h 10 min (d) 2 h 20 min
  13. 13.What time was it 15 minutes before 5:05? (a) 4:50 (b) 5:50 (c) 3:50 (d) 5:00
  14. 14.A film starts at 3:05 and ends at 5:20. How long is the film? (a) 2 h 25 min (b) 3 h 15 min (c) 2 h 15 min (d) 1 h 15 min
  15. 15.A film starts at 2:30 and ends at 3:45. How long is the film? (a) 15 min (b) 1 h 15 min (c) 1 h 25 min (d) 2 h 15 min
  16. 16.What time was it 25 minutes before 9:05? (a) 9:40 (b) 8:50 (c) 8:40 (d) 7:40
  17. 17.A film starts at 4:30 and ends at 6:15. How long is the film? (a) 45 min (b) 1 h 45 min (c) 1 h 55 min (d) 2 h 45 min
  18. 18.What time will it be 50 minutes after 8:30? (a) 8:20 (b) 10:20 (c) 9:10 (d) 9:20
  19. 19.What time was it 15 minutes before 4:05? (a) 4:50 (b) 3:50 (c) 2:50 (d) 4:00
  20. 20.What time will it be 45 minutes after 5:00? (a) 4:45 (b) 6:45 (c) 5:45 (d) 5:35
  21. 21.What time will it be 40 minutes after 10:10? (a) 10:50 (b) 9:50 (c) 10:40 (d) 11:50
  22. 22.What time will it be 20 minutes after 3:40? (a) 5:00 (b) 3:00 (c) 3:50 (d) 4:00
  23. 23.A film starts at 3:05 and ends at 3:35. How long is the film? (a) 40 min (b) 20 min (c) 30 min (d) 1 h 30 min
  24. 24.What time was it 20 minutes before 2:05? (a) 2:45 (b) 1:55 (c) 1:35 (d) 1:45
  25. 25.A film starts at 2:30 and ends at 5:30. How long is the film? (a) 3 h (b) 3 h 10 min (c) 2 h (d) 4 h
  26. 26.What time was it 35 minutes before 6:30? (a) 6:05 (b) 5:55 (c) 4:55 (d) 6:55
  27. 27.What time will it be 50 minutes after 8:05? (a) 8:45 (b) 9:55 (c) 8:55 (d) 7:55
  28. 28.A film starts at 2:20 and ends at 5:00. How long is the film? (a) 1 h 40 min (b) 2 h 50 min (c) 3 h 40 min (d) 2 h 40 min
  29. 29.What time will it be 30 minutes after 5:50? (a) 6:10 (b) 6:20 (c) 5:20 (d) 7:20
  30. 30.A film starts at 7:20 and ends at 8:50. How long is the film? (a) 1 h 40 min (b) 2 h 30 min (c) 30 min (d) 1 h 30 min
  31. 31.What time will it be 20 minutes after 3:20? (a) 3:40 (b) 3:30 (c) 4:40 (d) 2:40
  32. 32.A film starts at 4:45 and ends at 6:20. How long is the film? (a) 2 h 35 min (b) 1 h 45 min (c) 35 min (d) 1 h 35 min
  33. 33.What time was it 55 minutes before 4:55? (a) 3:00 (b) 4:00 (c) 4:10 (d) 5:00
  34. 34.What time will it be 45 minutes after 2:20? (a) 2:55 (b) 4:05 (c) 3:05 (d) 2:05
  35. 35.What time will it be 20 minutes after 10:35? (a) 10:55 (b) 10:45 (c) 9:55 (d) 11:55
  36. 36.What time was it 25 minutes before 11:00? (a) 9:35 (b) 11:35 (c) 10:35 (d) 10:45
  37. 37.What time was it 20 minutes before 8:45? (a) 8:25 (b) 8:35 (c) 7:25 (d) 9:25
  38. 38.A film starts at 1:15 and ends at 3:55. How long is the film? (a) 2 h 50 min (b) 3 h 40 min (c) 2 h 40 min (d) 1 h 40 min
  39. 39.A film starts at 3:05 and ends at 3:50. How long is the film? (a) 1 h 45 min (b) 45 min (c) 35 min (d) 55 min
  40. 40.A film starts at 5:00 and ends at 5:40. How long is the film? (a) 30 min (b) 50 min (c) 1 h 40 min (d) 40 min

Answer key

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

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