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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 870 · 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 8:45 and ends at 9:10. How long is the film? (a) 25 min (b) 1 h 25 min (c) 35 min (d) 15 min
  2. 2.A film starts at 7:05 and ends at 7:25. How long is the film? (a) 20 min (b) 10 min (c) 30 min (d) 1 h 20 min
  3. 3.What time will it be 45 minutes after 6:15? (a) 6:50 (b) 6:00 (c) 7:00 (d) 8:00
  4. 4.What time will it be 55 minutes after 1:05? (a) 1:00 (b) 3:00 (c) 1:50 (d) 2:00
  5. 5.What time will it be 20 minutes after 1:10? (a) 1:30 (b) 2:30 (c) 1:40 (d) 1:20
  6. 6.What time was it 35 minutes before 11:55? (a) 11:30 (b) 10:20 (c) 11:20 (d) 12:20
  7. 7.What time was it 25 minutes before 9:50? (a) 9:35 (b) 8:25 (c) 9:25 (d) 10:25
  8. 8.A film starts at 5:45 and ends at 6:55. How long is the film? (a) 1 h 10 min (b) 1 h 20 min (c) 10 min (d) 2 h 10 min
  9. 9.A film starts at 4:20 and ends at 6:05. How long is the film? (a) 1 h 45 min (b) 45 min (c) 1 h 55 min (d) 2 h 45 min
  10. 10.What time was it 25 minutes before 6:40? (a) 5:15 (b) 7:15 (c) 6:25 (d) 6:15
  11. 11.A film starts at 8:55 and ends at 9:15. How long is the film? (a) 30 min (b) 1 h 20 min (c) 10 min (d) 20 min
  12. 12.A film starts at 2:40 and ends at 3:10. How long is the film? (a) 1 h 30 min (b) 20 min (c) 40 min (d) 30 min
  13. 13.What time will it be 15 minutes after 3:20? (a) 2:35 (b) 3:25 (c) 3:35 (d) 4:35
  14. 14.A film starts at 7:15 and ends at 8:05. How long is the film? (a) 40 min (b) 1 h (c) 1 h 50 min (d) 50 min
  15. 15.A film starts at 3:50 and ends at 4:10. How long is the film? (a) 30 min (b) 10 min (c) 1 h 20 min (d) 20 min
  16. 16.What time was it 40 minutes before 2:25? (a) 2:45 (b) 1:45 (c) 1:35 (d) 1:55
  17. 17.A film starts at 5:30 and ends at 7:00. How long is the film? (a) 2 h 30 min (b) 1 h 40 min (c) 1 h 30 min (d) 30 min
  18. 18.What time was it 40 minutes before 9:10? (a) 7:30 (b) 9:30 (c) 8:30 (d) 8:40
  19. 19.A film starts at 5:30 and ends at 7:45. 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
  20. 20.What time will it be 15 minutes after 4:05? (a) 3:20 (b) 5:20 (c) 4:20 (d) 4:10
  21. 21.A film starts at 5:00 and ends at 6:30. How long is the film? (a) 2 h 30 min (b) 30 min (c) 1 h 30 min (d) 1 h 40 min
  22. 22.A film starts at 2:00 and ends at 3:20. How long is the film? (a) 1 h 20 min (b) 20 min (c) 1 h 30 min (d) 2 h 20 min
  23. 23.A film starts at 2:45 and ends at 3:45. How long is the film? (a) 2 h (b) 50 min (c) 1 h (d) 1 h 10 min
  24. 24.What time was it 20 minutes before 11:15? (a) 11:05 (b) 9:55 (c) 11:55 (d) 10:55
  25. 25.What time was it 45 minutes before 3:40? (a) 2:55 (b) 3:05 (c) 1:55 (d) 3:55
  26. 26.A film starts at 4:45 and ends at 5:10. How long is the film? (a) 35 min (b) 1 h 25 min (c) 15 min (d) 25 min
  27. 27.A film starts at 6:55 and ends at 9:45. How long is the film? (a) 3 h 50 min (b) 1 h 50 min (c) 3 h (d) 2 h 50 min
  28. 28.What time will it be 40 minutes after 1:25? (a) 3:05 (b) 2:05 (c) 1:55 (d) 1:05
  29. 29.A film starts at 2:15 and ends at 3:40. How long is the film? (a) 25 min (b) 1 h 35 min (c) 1 h 25 min (d) 2 h 25 min
  30. 30.What time will it be 15 minutes after 5:15? (a) 5:20 (b) 6:30 (c) 5:30 (d) 4:30
  31. 31.What time will it be 35 minutes after 6:50? (a) 8:25 (b) 6:25 (c) 7:15 (d) 7:25
  32. 32.What time was it 25 minutes before 3:50? (a) 3:35 (b) 3:25 (c) 2:25 (d) 4:25
  33. 33.What time will it be 45 minutes after 1:20? (a) 1:55 (b) 3:05 (c) 2:05 (d) 1:05
  34. 34.A film starts at 6:40 and ends at 8:05. How long is the film? (a) 2 h 25 min (b) 1 h 25 min (c) 1 h 35 min (d) 25 min
  35. 35.A film starts at 3:00 and ends at 5:20. How long is the film? (a) 1 h 20 min (b) 2 h 30 min (c) 2 h 20 min (d) 3 h 20 min
  36. 36.A film starts at 3:45 and ends at 6:00. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 2 h 25 min (d) 3 h 15 min
  37. 37.A film starts at 2:05 and ends at 4:20. How long is the film? (a) 3 h 15 min (b) 2 h 25 min (c) 2 h 15 min (d) 1 h 15 min
  38. 38.What time will it be 35 minutes after 1:25? (a) 1:50 (b) 3:00 (c) 2:00 (d) 1:00
  39. 39.A film starts at 7:15 and ends at 8:10. How long is the film? (a) 45 min (b) 1 h 55 min (c) 1 h 5 min (d) 55 min
  40. 40.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

Answer key

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

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