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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 939 · 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 3:45 and ends at 5:40. How long is the film? (a) 2 h 5 min (b) 1 h 55 min (c) 55 min (d) 2 h 55 min
  2. 2.A film starts at 8:55 and ends at 10:10. How long is the film? (a) 1 h 25 min (b) 15 min (c) 1 h 15 min (d) 2 h 15 min
  3. 3.What time will it be 25 minutes after 6:45? (a) 7:10 (b) 8:10 (c) 7:00 (d) 6:10
  4. 4.A film starts at 6:10 and ends at 7:30. How long is the film? (a) 1 h 30 min (b) 1 h 20 min (c) 2 h 20 min (d) 20 min
  5. 5.What time was it 45 minutes before 6:35? (a) 6:00 (b) 6:50 (c) 5:50 (d) 4:50
  6. 6.A film starts at 2:50 and ends at 5:50. How long is the film? (a) 3 h (b) 2 h (c) 4 h (d) 3 h 10 min
  7. 7.A film starts at 5:15 and ends at 8:10. How long is the film? (a) 3 h 55 min (b) 3 h 5 min (c) 1 h 55 min (d) 2 h 55 min
  8. 8.A film starts at 5:30 and ends at 7:50. How long is the film? (a) 3 h 20 min (b) 2 h 20 min (c) 1 h 20 min (d) 2 h 30 min
  9. 9.What time will it be 35 minutes after 3:25? (a) 3:00 (b) 5:00 (c) 4:00 (d) 3:50
  10. 10.A film starts at 7:20 and ends at 7:50. How long is the film? (a) 30 min (b) 1 h 30 min (c) 20 min (d) 40 min
  11. 11.What time was it 25 minutes before 4:05? (a) 4:40 (b) 3:50 (c) 2:40 (d) 3:40
  12. 12.What time will it be 30 minutes after 1:30? (a) 3:00 (b) 2:00 (c) 1:50 (d) 1:00
  13. 13.A film starts at 1:15 and ends at 1:40. How long is the film? (a) 35 min (b) 15 min (c) 1 h 25 min (d) 25 min
  14. 14.What time was it 35 minutes before 8:05? (a) 7:40 (b) 6:30 (c) 7:30 (d) 8:30
  15. 15.A film starts at 7:05 and ends at 7:55. How long is the film? (a) 50 min (b) 40 min (c) 1 h (d) 1 h 50 min
  16. 16.A film starts at 6:30 and ends at 9:20. How long is the film? (a) 1 h 50 min (b) 3 h (c) 2 h 50 min (d) 3 h 50 min
  17. 17.What time was it 30 minutes before 11:05? (a) 10:45 (b) 9:35 (c) 11:35 (d) 10:35
  18. 18.What time will it be 40 minutes after 10:00? (a) 10:30 (b) 11:40 (c) 10:40 (d) 9:40
  19. 19.What time was it 55 minutes before 3:45? (a) 3:50 (b) 1:50 (c) 3:00 (d) 2:50
  20. 20.What time will it be 45 minutes after 5:20? (a) 6:05 (b) 7:05 (c) 5:05 (d) 5:55
  21. 21.What time was it 15 minutes before 4:05? (a) 4:00 (b) 2:50 (c) 4:50 (d) 3:50
  22. 22.A film starts at 1:30 and ends at 3:05. How long is the film? (a) 1 h 45 min (b) 35 min (c) 2 h 35 min (d) 1 h 35 min
  23. 23.A film starts at 3:45 and ends at 6:45. How long is the film? (a) 3 h (b) 3 h 10 min (c) 4 h (d) 2 h
  24. 24.What time was it 50 minutes before 8:35? (a) 6:45 (b) 8:45 (c) 7:55 (d) 7:45
  25. 25.What time will it be 20 minutes after 2:50? (a) 2:10 (b) 3:00 (c) 4:10 (d) 3:10
  26. 26.What time will it be 20 minutes after 4:55? (a) 6:15 (b) 5:15 (c) 4:15 (d) 5:05
  27. 27.What time was it 35 minutes before 11:15? (a) 10:50 (b) 11:40 (c) 10:40 (d) 9:40
  28. 28.What time will it be 15 minutes after 3:45? (a) 5:00 (b) 3:50 (c) 3:00 (d) 4:00
  29. 29.What time will it be 30 minutes after 1:55? (a) 1:25 (b) 2:15 (c) 3:25 (d) 2:25
  30. 30.What time was it 55 minutes before 4:05? (a) 2:10 (b) 3:10 (c) 4:10 (d) 3:20
  31. 31.A film starts at 1:00 and ends at 2:15. How long is the film? (a) 1 h 25 min (b) 2 h 15 min (c) 1 h 15 min (d) 15 min
  32. 32.A film starts at 2:40 and ends at 5:10. How long is the film? (a) 1 h 30 min (b) 2 h 30 min (c) 2 h 40 min (d) 3 h 30 min
  33. 33.A film starts at 7:25 and ends at 8:00. How long is the film? (a) 25 min (b) 35 min (c) 1 h 35 min (d) 45 min
  34. 34.What time was it 35 minutes before 8:25? (a) 6:50 (b) 8:00 (c) 7:50 (d) 8:50
  35. 35.A film starts at 8:55 and ends at 11:00. How long is the film? (a) 2 h 15 min (b) 1 h 5 min (c) 3 h 5 min (d) 2 h 5 min
  36. 36.What time will it be 25 minutes after 10:20? (a) 11:45 (b) 10:45 (c) 9:45 (d) 10:35
  37. 37.What time was it 50 minutes before 5:05? (a) 4:15 (b) 5:15 (c) 4:25 (d) 3:15
  38. 38.A film starts at 4:30 and ends at 7:00. How long is the film? (a) 2 h 30 min (b) 1 h 30 min (c) 2 h 40 min (d) 3 h 30 min
  39. 39.What time was it 50 minutes before 5:50? (a) 6:00 (b) 4:00 (c) 5:10 (d) 5:00
  40. 40.What time was it 25 minutes before 2:10? (a) 1:35 (b) 1:45 (c) 2:45 (d) 1:55

Answer key

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

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