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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 631 · 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 8:10 and ends at 10:20. How long is the film? (a) 3 h 10 min (b) 1 h 10 min (c) 2 h 10 min (d) 2 h 20 min
  2. 2.A film starts at 7:55 and ends at 8:45. How long is the film? (a) 1 h (b) 50 min (c) 40 min (d) 1 h 50 min
  3. 3.A film starts at 4:45 and ends at 7:10. How long is the film? (a) 1 h 25 min (b) 3 h 25 min (c) 2 h 35 min (d) 2 h 25 min
  4. 4.A film starts at 4:35 and ends at 6:05. How long is the film? (a) 1 h 40 min (b) 1 h 30 min (c) 2 h 30 min (d) 30 min
  5. 5.What time will it be 50 minutes after 1:35? (a) 2:15 (b) 1:25 (c) 3:25 (d) 2:25
  6. 6.What time was it 35 minutes before 6:15? (a) 4:40 (b) 6:40 (c) 5:40 (d) 5:50
  7. 7.What time will it be 25 minutes after 9:45? (a) 10:00 (b) 11:10 (c) 9:10 (d) 10:10
  8. 8.A film starts at 7:05 and ends at 9:45. 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
  9. 9.What time will it be 50 minutes after 8:45? (a) 10:35 (b) 8:35 (c) 9:35 (d) 9:25
  10. 10.What time will it be 50 minutes after 3:10? (a) 4:00 (b) 5:00 (c) 3:00 (d) 3:50
  11. 11.A film starts at 8:10 and ends at 8:55. How long is the film? (a) 1 h 45 min (b) 35 min (c) 45 min (d) 55 min
  12. 12.A film starts at 8:55 and ends at 11:25. How long is the film? (a) 2 h 40 min (b) 3 h 30 min (c) 1 h 30 min (d) 2 h 30 min
  13. 13.A film starts at 8:50 and ends at 11:00. 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
  14. 14.What time was it 40 minutes before 10:10? (a) 8:30 (b) 9:40 (c) 10:30 (d) 9:30
  15. 15.What time will it be 45 minutes after 4:00? (a) 5:45 (b) 4:35 (c) 4:45 (d) 3:45
  16. 16.What time will it be 35 minutes after 3:40? (a) 4:15 (b) 4:05 (c) 3:15 (d) 5:15
  17. 17.What time will it be 40 minutes after 8:35? (a) 10:15 (b) 8:15 (c) 9:05 (d) 9:15
  18. 18.What time was it 45 minutes before 4:45? (a) 4:00 (b) 4:10 (c) 3:00 (d) 5:00
  19. 19.A film starts at 1:55 and ends at 2:25. How long is the film? (a) 1 h 30 min (b) 40 min (c) 20 min (d) 30 min
  20. 20.What time was it 15 minutes before 6:40? (a) 6:35 (b) 5:25 (c) 7:25 (d) 6:25
  21. 21.What time was it 50 minutes before 2:40? (a) 1:40 (b) 2:00 (c) 2:50 (d) 1:50
  22. 22.A film starts at 5:15 and ends at 5:50. How long is the film? (a) 45 min (b) 35 min (c) 25 min (d) 1 h 35 min
  23. 23.What time was it 15 minutes before 4:20? (a) 4:15 (b) 4:05 (c) 3:05 (d) 5:05
  24. 24.What time will it be 20 minutes after 3:05? (a) 3:15 (b) 3:25 (c) 2:25 (d) 4:25
  25. 25.A film starts at 5:50 and ends at 7:15. How long is the film? (a) 2 h 25 min (b) 1 h 35 min (c) 25 min (d) 1 h 25 min
  26. 26.What time will it be 50 minutes after 5:30? (a) 5:20 (b) 6:20 (c) 6:10 (d) 7:20
  27. 27.What time will it be 25 minutes after 9:30? (a) 9:45 (b) 9:55 (c) 10:55 (d) 8:55
  28. 28.What time will it be 20 minutes after 10:50? (a) 11:10 (b) 11:00 (c) 12:10 (d) 10:10
  29. 29.What time was it 30 minutes before 11:15? (a) 10:55 (b) 9:45 (c) 11:45 (d) 10:45
  30. 30.What time will it be 25 minutes after 1:45? (a) 2:10 (b) 1:10 (c) 3:10 (d) 2:00
  31. 31.What time will it be 15 minutes after 1:25? (a) 1:40 (b) 1:30 (c) 2:40 (d) 1:50
  32. 32.What time will it be 45 minutes after 3:15? (a) 4:00 (b) 3:50 (c) 5:00 (d) 3:00
  33. 33.A film starts at 2:40 and ends at 3:50. How long is the film? (a) 10 min (b) 1 h 10 min (c) 1 h 20 min (d) 2 h 10 min
  34. 34.What time was it 25 minutes before 11:25? (a) 10:00 (b) 12:00 (c) 11:10 (d) 11:00
  35. 35.What time was it 50 minutes before 11:55? (a) 11:05 (b) 12:05 (c) 11:15 (d) 10:05
  36. 36.What time was it 55 minutes before 3:35? (a) 3:40 (b) 2:40 (c) 1:40 (d) 2:50
  37. 37.What time was it 50 minutes before 3:45? (a) 2:55 (b) 3:55 (c) 3:05 (d) 1:55
  38. 38.What time will it be 35 minutes after 5:10? (a) 5:45 (b) 6:45 (c) 4:45 (d) 5:35
  39. 39.A film starts at 6:45 and ends at 8:50. How long is the film? (a) 1 h 5 min (b) 3 h 5 min (c) 2 h 15 min (d) 2 h 5 min
  40. 40.A film starts at 3:40 and ends at 5:20. How long is the film? (a) 1 h 40 min (b) 2 h 40 min (c) 40 min (d) 1 h 50 min

Answer key

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

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