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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 67 · 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 7:35 and ends at 9:50. How long is the film? (a) 2 h 25 min (b) 1 h 15 min (c) 2 h 15 min (d) 3 h 15 min
  2. 2.What time will it be 30 minutes after 5:10? (a) 5:40 (b) 6:40 (c) 5:30 (d) 4:40
  3. 3.What time was it 50 minutes before 8:00? (a) 8:10 (b) 7:20 (c) 6:10 (d) 7:10
  4. 4.What time will it be 25 minutes after 2:30? (a) 2:55 (b) 3:55 (c) 1:55 (d) 2:45
  5. 5.A film starts at 8:25 and ends at 10:50. How long is the film? (a) 1 h 25 min (b) 2 h 25 min (c) 2 h 35 min (d) 3 h 25 min
  6. 6.A film starts at 2:45 and ends at 5:00. How long is the film? (a) 1 h 15 min (b) 3 h 15 min (c) 2 h 15 min (d) 2 h 25 min
  7. 7.A film starts at 7:25 and ends at 9:10. How long is the film? (a) 45 min (b) 1 h 55 min (c) 2 h 45 min (d) 1 h 45 min
  8. 8.What time was it 25 minutes before 2:50? (a) 2:35 (b) 3:25 (c) 1:25 (d) 2:25
  9. 9.What time will it be 20 minutes after 3:55? (a) 3:15 (b) 5:15 (c) 4:05 (d) 4:15
  10. 10.A film starts at 7:15 and ends at 8:15. How long is the film? (a) 1 h (b) 2 h (c) 50 min (d) 1 h 10 min
  11. 11.A film starts at 8:15 and ends at 9:50. How long is the film? (a) 2 h 35 min (b) 1 h 45 min (c) 35 min (d) 1 h 35 min
  12. 12.What time was it 45 minutes before 9:00? (a) 8:15 (b) 8:25 (c) 9:15 (d) 7:15
  13. 13.What time will it be 25 minutes after 7:45? (a) 7:10 (b) 8:00 (c) 8:10 (d) 9:10
  14. 14.What time will it be 35 minutes after 1:30? (a) 2:05 (b) 1:05 (c) 3:05 (d) 1:55
  15. 15.What time will it be 40 minutes after 7:35? (a) 8:15 (b) 8:05 (c) 9:15 (d) 7:15
  16. 16.What time was it 35 minutes before 8:05? (a) 7:40 (b) 8:30 (c) 6:30 (d) 7:30
  17. 17.What time was it 50 minutes before 9:10? (a) 9:20 (b) 8:30 (c) 7:20 (d) 8:20
  18. 18.What time will it be 20 minutes after 7:15? (a) 6:35 (b) 8:35 (c) 7:25 (d) 7:35
  19. 19.What time will it be 55 minutes after 6:50? (a) 7:45 (b) 8:45 (c) 6:45 (d) 7:35
  20. 20.A film starts at 1:10 and ends at 2:40. How long is the film? (a) 1 h 40 min (b) 2 h 30 min (c) 30 min (d) 1 h 30 min
  21. 21.What time will it be 55 minutes after 8:40? (a) 10:35 (b) 8:35 (c) 9:25 (d) 9:35
  22. 22.What time was it 35 minutes before 2:00? (a) 1:35 (b) 1:15 (c) 1:25 (d) 2:25
  23. 23.What time was it 35 minutes before 10:45? (a) 9:10 (b) 10:20 (c) 11:10 (d) 10:10
  24. 24.A film starts at 7:10 and ends at 7:50. How long is the film? (a) 30 min (b) 40 min (c) 1 h 40 min (d) 50 min
  25. 25.What time was it 40 minutes before 9:10? (a) 9:30 (b) 7:30 (c) 8:40 (d) 8:30
  26. 26.A film starts at 3:20 and ends at 6:05. How long is the film? (a) 2 h 45 min (b) 3 h 45 min (c) 2 h 55 min (d) 1 h 45 min
  27. 27.A film starts at 4:30 and ends at 5:35. How long is the film? (a) 1 h 15 min (b) 5 min (c) 1 h 5 min (d) 2 h 5 min
  28. 28.A film starts at 8:30 and ends at 9:15. How long is the film? (a) 35 min (b) 55 min (c) 1 h 45 min (d) 45 min
  29. 29.What time will it be 25 minutes after 1:10? (a) 1:35 (b) 1:25 (c) 1:45 (d) 2:35
  30. 30.What time will it be 55 minutes after 9:15? (a) 11:10 (b) 10:00 (c) 10:10 (d) 9:10
  31. 31.A film starts at 4:05 and ends at 4:50. How long is the film? (a) 1 h 45 min (b) 35 min (c) 55 min (d) 45 min
  32. 32.A film starts at 7:30 and ends at 9:50. How long is the film? (a) 2 h 30 min (b) 1 h 20 min (c) 2 h 20 min (d) 3 h 20 min
  33. 33.What time will it be 20 minutes after 10:55? (a) 11:05 (b) 11:15 (c) 10:15 (d) 12:15
  34. 34.What time was it 45 minutes before 10:10? (a) 8:25 (b) 10:25 (c) 9:25 (d) 9:35
  35. 35.What time was it 25 minutes before 10:20? (a) 8:55 (b) 9:55 (c) 10:05 (d) 10:55
  36. 36.A film starts at 6:00 and ends at 7:30. How long is the film? (a) 1 h 40 min (b) 30 min (c) 1 h 30 min (d) 2 h 30 min
  37. 37.What time was it 45 minutes before 7:45? (a) 7:10 (b) 7:00 (c) 8:00 (d) 6:00
  38. 38.What time was it 25 minutes before 5:30? (a) 6:05 (b) 5:05 (c) 4:05 (d) 5:15
  39. 39.A film starts at 8:10 and ends at 9:50. How long is the film? (a) 40 min (b) 2 h 40 min (c) 1 h 40 min (d) 1 h 50 min
  40. 40.A film starts at 7:15 and ends at 8:40. How long is the film? (a) 25 min (b) 2 h 25 min (c) 1 h 35 min (d) 1 h 25 min

Answer key

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

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