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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 320 · 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 4:30 and ends at 7:10. How long is the film? (a) 2 h 50 min (b) 1 h 40 min (c) 3 h 40 min (d) 2 h 40 min
  2. 2.What time will it be 20 minutes after 10:50? (a) 12:10 (b) 11:00 (c) 11:10 (d) 10:10
  3. 3.A film starts at 4:05 and ends at 6:10. How long is the film? (a) 3 h 5 min (b) 2 h 15 min (c) 2 h 5 min (d) 1 h 5 min
  4. 4.What time was it 45 minutes before 11:45? (a) 11:10 (b) 12:00 (c) 10:00 (d) 11:00
  5. 5.What time will it be 25 minutes after 7:25? (a) 7:40 (b) 7:50 (c) 8:50 (d) 6:50
  6. 6.A film starts at 3:40 and ends at 4:20. How long is the film? (a) 50 min (b) 30 min (c) 1 h 40 min (d) 40 min
  7. 7.What time was it 45 minutes before 7:20? (a) 6:35 (b) 7:35 (c) 5:35 (d) 6:45
  8. 8.What time will it be 45 minutes after 3:05? (a) 3:40 (b) 3:50 (c) 2:50 (d) 4:50
  9. 9.What time will it be 50 minutes after 6:00? (a) 6:40 (b) 5:50 (c) 7:50 (d) 6:50
  10. 10.What time was it 50 minutes before 7:50? (a) 7:10 (b) 6:00 (c) 7:00 (d) 8:00
  11. 11.What time was it 40 minutes before 4:00? (a) 2:20 (b) 3:30 (c) 4:20 (d) 3:20
  12. 12.A film starts at 3:45 and ends at 6:40. How long is the film? (a) 3 h 5 min (b) 3 h 55 min (c) 2 h 55 min (d) 1 h 55 min
  13. 13.A film starts at 7:35 and ends at 10:10. How long is the film? (a) 3 h 35 min (b) 1 h 35 min (c) 2 h 45 min (d) 2 h 35 min
  14. 14.What time was it 35 minutes before 8:15? (a) 7:40 (b) 7:50 (c) 6:40 (d) 8:40
  15. 15.A film starts at 8:55 and ends at 11:00. How long is the film? (a) 1 h 5 min (b) 2 h 15 min (c) 2 h 5 min (d) 3 h 5 min
  16. 16.A film starts at 6:25 and ends at 7:20. How long is the film? (a) 1 h 5 min (b) 45 min (c) 55 min (d) 1 h 55 min
  17. 17.What time will it be 35 minutes after 4:05? (a) 4:30 (b) 3:40 (c) 4:40 (d) 5:40
  18. 18.A film starts at 2:55 and ends at 3:35. How long is the film? (a) 30 min (b) 1 h 40 min (c) 40 min (d) 50 min
  19. 19.What time will it be 25 minutes after 2:50? (a) 3:15 (b) 4:15 (c) 3:05 (d) 2:15
  20. 20.A film starts at 3:00 and ends at 4:10. How long is the film? (a) 2 h 10 min (b) 1 h 20 min (c) 1 h 10 min (d) 10 min
  21. 21.What time will it be 50 minutes after 10:00? (a) 10:40 (b) 10:50 (c) 11:50 (d) 9:50
  22. 22.What time will it be 55 minutes after 10:05? (a) 11:00 (b) 12:00 (c) 10:00 (d) 10:50
  23. 23.A film starts at 1:30 and ends at 2:05. How long is the film? (a) 1 h 35 min (b) 45 min (c) 25 min (d) 35 min
  24. 24.A film starts at 3:55 and ends at 5:40. How long is the film? (a) 45 min (b) 1 h 45 min (c) 1 h 55 min (d) 2 h 45 min
  25. 25.A film starts at 4:25 and ends at 6:00. How long is the film? (a) 2 h 35 min (b) 35 min (c) 1 h 35 min (d) 1 h 45 min
  26. 26.What time will it be 55 minutes after 9:05? (a) 9:00 (b) 9:50 (c) 10:00 (d) 11:00
  27. 27.A film starts at 8:05 and ends at 9:35. How long is the film? (a) 1 h 40 min (b) 1 h 30 min (c) 2 h 30 min (d) 30 min
  28. 28.A film starts at 2:45 and ends at 4:55. How long is the film? (a) 3 h 10 min (b) 2 h 20 min (c) 1 h 10 min (d) 2 h 10 min
  29. 29.What time will it be 20 minutes after 2:35? (a) 1:55 (b) 2:55 (c) 2:45 (d) 3:55
  30. 30.What time was it 40 minutes before 11:10? (a) 10:40 (b) 10:30 (c) 9:30 (d) 11:30
  31. 31.A film starts at 2:00 and ends at 4:10. How long is the film? (a) 1 h 10 min (b) 3 h 10 min (c) 2 h 20 min (d) 2 h 10 min
  32. 32.What time will it be 35 minutes after 1:05? (a) 1:50 (b) 1:40 (c) 1:30 (d) 2:40
  33. 33.What time was it 30 minutes before 9:10? (a) 8:50 (b) 7:40 (c) 8:40 (d) 9:40
  34. 34.What time will it be 15 minutes after 5:45? (a) 6:00 (b) 5:00 (c) 5:50 (d) 7:00
  35. 35.What time will it be 25 minutes after 10:45? (a) 11:00 (b) 11:10 (c) 10:10 (d) 12:10
  36. 36.A film starts at 7:30 and ends at 9:20. How long is the film? (a) 2 h (b) 50 min (c) 2 h 50 min (d) 1 h 50 min
  37. 37.A film starts at 8:20 and ends at 10:50. How long is the film? (a) 2 h 30 min (b) 3 h 30 min (c) 2 h 40 min (d) 1 h 30 min
  38. 38.A film starts at 7:50 and ends at 9:30. How long is the film? (a) 2 h 40 min (b) 1 h 50 min (c) 40 min (d) 1 h 40 min
  39. 39.A film starts at 6:40 and ends at 7:05. How long is the film? (a) 35 min (b) 1 h 25 min (c) 25 min (d) 15 min
  40. 40.What time was it 50 minutes before 10:35? (a) 9:45 (b) 10:45 (c) 8:45 (d) 9:55

Answer key

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

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