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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 910 · 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 1:10 and ends at 2:55. How long is the film? (a) 45 min (b) 2 h 45 min (c) 1 h 55 min (d) 1 h 45 min
  2. 2.A film starts at 4:15 and ends at 4:35. How long is the film? (a) 1 h 20 min (b) 10 min (c) 30 min (d) 20 min
  3. 3.A film starts at 4:45 and ends at 5:55. How long is the film? (a) 1 h 10 min (b) 1 h 20 min (c) 2 h 10 min (d) 10 min
  4. 4.What time was it 35 minutes before 7:40? (a) 8:05 (b) 7:15 (c) 7:05 (d) 6:05
  5. 5.What time will it be 45 minutes after 7:35? (a) 9:20 (b) 8:20 (c) 8:10 (d) 7:20
  6. 6.What time will it be 15 minutes after 6:15? (a) 7:30 (b) 5:30 (c) 6:30 (d) 6:20
  7. 7.What time will it be 35 minutes after 7:25? (a) 7:00 (b) 9:00 (c) 8:00 (d) 7:50
  8. 8.What time will it be 15 minutes after 7:40? (a) 7:45 (b) 7:55 (c) 8:55 (d) 6:55
  9. 9.What time will it be 40 minutes after 7:35? (a) 7:15 (b) 8:15 (c) 9:15 (d) 8:05
  10. 10.A film starts at 3:40 and ends at 5:40. How long is the film? (a) 1 h (b) 2 h 10 min (c) 3 h (d) 2 h
  11. 11.A film starts at 5:00 and ends at 7:30. How long is the film? (a) 1 h 30 min (b) 2 h 40 min (c) 2 h 30 min (d) 3 h 30 min
  12. 12.What time will it be 30 minutes after 4:15? (a) 4:35 (b) 3:45 (c) 5:45 (d) 4:45
  13. 13.What time will it be 55 minutes after 3:00? (a) 3:45 (b) 2:55 (c) 3:55 (d) 4:55
  14. 14.What time will it be 30 minutes after 2:30? (a) 2:50 (b) 2:00 (c) 4:00 (d) 3:00
  15. 15.What time will it be 35 minutes after 10:10? (a) 10:45 (b) 9:45 (c) 11:45 (d) 10:35
  16. 16.A film starts at 3:15 and ends at 3:40. How long is the film? (a) 15 min (b) 35 min (c) 25 min (d) 1 h 25 min
  17. 17.A film starts at 7:55 and ends at 10:30. How long is the film? (a) 1 h 35 min (b) 3 h 35 min (c) 2 h 45 min (d) 2 h 35 min
  18. 18.A film starts at 7:50 and ends at 9:55. 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
  19. 19.A film starts at 7:40 and ends at 10:20. How long is the film? (a) 3 h 40 min (b) 1 h 40 min (c) 2 h 50 min (d) 2 h 40 min
  20. 20.What time was it 45 minutes before 4:00? (a) 2:15 (b) 4:15 (c) 3:15 (d) 3:25
  21. 21.What time will it be 20 minutes after 3:15? (a) 4:35 (b) 2:35 (c) 3:25 (d) 3:35
  22. 22.What time will it be 50 minutes after 6:30? (a) 7:10 (b) 6:20 (c) 7:20 (d) 8:20
  23. 23.A film starts at 6:35 and ends at 7:00. How long is the film? (a) 25 min (b) 35 min (c) 1 h 25 min (d) 15 min
  24. 24.What time will it be 30 minutes after 8:10? (a) 7:40 (b) 9:40 (c) 8:30 (d) 8:40
  25. 25.A film starts at 1:05 and ends at 2:35. How long is the film? (a) 30 min (b) 1 h 40 min (c) 1 h 30 min (d) 2 h 30 min
  26. 26.What time will it be 35 minutes after 6:20? (a) 6:55 (b) 7:55 (c) 6:45 (d) 5:55
  27. 27.What time will it be 40 minutes after 7:15? (a) 8:55 (b) 7:45 (c) 6:55 (d) 7:55
  28. 28.What time will it be 40 minutes after 10:00? (a) 9:40 (b) 11:40 (c) 10:40 (d) 10:30
  29. 29.What time will it be 20 minutes after 2:40? (a) 2:50 (b) 3:00 (c) 4:00 (d) 2:00
  30. 30.A film starts at 2:10 and ends at 4:25. How long is the film? (a) 1 h 15 min (b) 2 h 15 min (c) 2 h 25 min (d) 3 h 15 min
  31. 31.A film starts at 3:50 and ends at 5:30. How long is the film? (a) 40 min (b) 1 h 40 min (c) 1 h 50 min (d) 2 h 40 min
  32. 32.A film starts at 7:35 and ends at 9:20. How long is the film? (a) 1 h 55 min (b) 45 min (c) 1 h 45 min (d) 2 h 45 min
  33. 33.A film starts at 7:45 and ends at 10:40. How long is the film? (a) 1 h 55 min (b) 2 h 55 min (c) 3 h 55 min (d) 3 h 5 min
  34. 34.A film starts at 3:10 and ends at 5:45. How long is the film? (a) 1 h 35 min (b) 3 h 35 min (c) 2 h 45 min (d) 2 h 35 min
  35. 35.A film starts at 2:05 and ends at 4:10. 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
  36. 36.A film starts at 4:15 and ends at 5:10. How long is the film? (a) 1 h 5 min (b) 1 h 55 min (c) 45 min (d) 55 min
  37. 37.What time was it 40 minutes before 9:20? (a) 7:40 (b) 8:40 (c) 9:40 (d) 8:50
  38. 38.A film starts at 5:25 and ends at 8:15. How long is the film? (a) 1 h 50 min (b) 3 h 50 min (c) 2 h 50 min (d) 3 h
  39. 39.What time was it 25 minutes before 8:45? (a) 7:20 (b) 9:20 (c) 8:30 (d) 8:20
  40. 40.What time will it be 50 minutes after 1:00? (a) 1:40 (b) 2:00 (c) 1:50 (d) 2:50

Answer key

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

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