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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 266 · 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 4:00 and ends at 4:35. How long is the film? (a) 25 min (b) 45 min (c) 35 min (d) 1 h 35 min
  2. 2.A film starts at 1:25 and ends at 4:20. How long is the film? (a) 2 h 55 min (b) 3 h 5 min (c) 1 h 55 min (d) 3 h 55 min
  3. 3.A film starts at 8:50 and ends at 9:50. How long is the film? (a) 1 h (b) 1 h 10 min (c) 50 min (d) 2 h
  4. 4.What time will it be 55 minutes after 3:40? (a) 5:35 (b) 4:25 (c) 3:35 (d) 4:35
  5. 5.A film starts at 8:45 and ends at 9:15. How long is the film? (a) 20 min (b) 1 h 30 min (c) 40 min (d) 30 min
  6. 6.What time was it 50 minutes before 7:30? (a) 7:40 (b) 6:40 (c) 5:40 (d) 6:50
  7. 7.What time was it 25 minutes before 10:50? (a) 10:25 (b) 10:35 (c) 11:25 (d) 9:25
  8. 8.What time was it 55 minutes before 5:45? (a) 4:50 (b) 3:50 (c) 5:00 (d) 5:50
  9. 9.What time will it be 40 minutes after 8:50? (a) 9:20 (b) 10:30 (c) 9:30 (d) 8:30
  10. 10.A film starts at 1:40 and ends at 3:35. How long is the film? (a) 2 h 5 min (b) 1 h 55 min (c) 55 min (d) 2 h 55 min
  11. 11.What time will it be 30 minutes after 8:40? (a) 9:10 (b) 10:10 (c) 8:10 (d) 9:00
  12. 12.What time was it 15 minutes before 8:10? (a) 8:55 (b) 6:55 (c) 8:05 (d) 7:55
  13. 13.A film starts at 2:00 and ends at 3:25. How long is the film? (a) 1 h 25 min (b) 2 h 25 min (c) 25 min (d) 1 h 35 min
  14. 14.What time will it be 55 minutes after 1:55? (a) 2:50 (b) 3:50 (c) 2:40 (d) 1:50
  15. 15.What time will it be 45 minutes after 6:05? (a) 6:50 (b) 7:50 (c) 6:40 (d) 5:50
  16. 16.What time will it be 55 minutes after 9:20? (a) 10:05 (b) 11:15 (c) 10:15 (d) 9:15
  17. 17.What time will it be 25 minutes after 6:00? (a) 6:25 (b) 7:25 (c) 6:15 (d) 5:25
  18. 18.A film starts at 4:05 and ends at 4:45. How long is the film? (a) 1 h 40 min (b) 30 min (c) 50 min (d) 40 min
  19. 19.A film starts at 6:10 and ends at 7:25. How long is the film? (a) 1 h 15 min (b) 15 min (c) 1 h 25 min (d) 2 h 15 min
  20. 20.What time was it 25 minutes before 3:50? (a) 4:25 (b) 2:25 (c) 3:25 (d) 3:35
  21. 21.What time was it 25 minutes before 10:15? (a) 10:00 (b) 10:50 (c) 9:50 (d) 8:50
  22. 22.What time was it 35 minutes before 2:50? (a) 1:15 (b) 3:15 (c) 2:25 (d) 2:15
  23. 23.What time was it 45 minutes before 6:30? (a) 6:45 (b) 5:55 (c) 4:45 (d) 5:45
  24. 24.What time was it 35 minutes before 6:20? (a) 5:45 (b) 5:55 (c) 4:45 (d) 6:45
  25. 25.What time was it 50 minutes before 4:20? (a) 4:30 (b) 2:30 (c) 3:30 (d) 3:40
  26. 26.A film starts at 5:15 and ends at 6:50. How long is the film? (a) 1 h 45 min (b) 1 h 35 min (c) 35 min (d) 2 h 35 min
  27. 27.A film starts at 6:05 and ends at 8:35. How long is the film? (a) 3 h 30 min (b) 2 h 30 min (c) 2 h 40 min (d) 1 h 30 min
  28. 28.A film starts at 8:50 and ends at 11:00. How long is the film? (a) 1 h 10 min (b) 2 h 20 min (c) 3 h 10 min (d) 2 h 10 min
  29. 29.What time will it be 40 minutes after 1:55? (a) 3:35 (b) 2:35 (c) 2:25 (d) 1:35
  30. 30.What time was it 15 minutes before 11:00? (a) 10:45 (b) 10:55 (c) 9:45 (d) 11:45
  31. 31.What time was it 40 minutes before 6:20? (a) 6:40 (b) 5:50 (c) 4:40 (d) 5:40
  32. 32.What time will it be 55 minutes after 7:35? (a) 7:30 (b) 8:20 (c) 8:30 (d) 9:30
  33. 33.A film starts at 3:05 and ends at 5:55. How long is the film? (a) 3 h (b) 3 h 50 min (c) 1 h 50 min (d) 2 h 50 min
  34. 34.What time was it 50 minutes before 3:45? (a) 3:55 (b) 2:55 (c) 3:05 (d) 1:55
  35. 35.What time will it be 20 minutes after 3:40? (a) 3:00 (b) 4:00 (c) 3:50 (d) 5:00
  36. 36.What time was it 15 minutes before 7:10? (a) 6:55 (b) 7:05 (c) 5:55 (d) 7:55
  37. 37.A film starts at 3:15 and ends at 6:15. How long is the film? (a) 4 h (b) 2 h (c) 3 h (d) 3 h 10 min
  38. 38.What time will it be 20 minutes after 2:40? (a) 4:00 (b) 2:00 (c) 2:50 (d) 3:00
  39. 39.What time will it be 25 minutes after 10:40? (a) 11:05 (b) 12:05 (c) 10:55 (d) 10:05
  40. 40.A film starts at 3:25 and ends at 4:00. How long is the film? (a) 45 min (b) 35 min (c) 25 min (d) 1 h 35 min

Answer key

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

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