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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 851 · 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.What time will it be 45 minutes after 10:20? (a) 10:05 (b) 11:05 (c) 12:05 (d) 10:55
  2. 2.A film starts at 3:25 and ends at 4:00. How long is the film? (a) 45 min (b) 35 min (c) 1 h 35 min (d) 25 min
  3. 3.A film starts at 1:45 and ends at 3:10. How long is the film? (a) 1 h 25 min (b) 1 h 35 min (c) 25 min (d) 2 h 25 min
  4. 4.What time will it be 35 minutes after 4:05? (a) 4:30 (b) 3:40 (c) 5:40 (d) 4:40
  5. 5.What time will it be 25 minutes after 8:25? (a) 7:50 (b) 8:50 (c) 8:40 (d) 9:50
  6. 6.What time was it 55 minutes before 8:45? (a) 8:50 (b) 6:50 (c) 7:50 (d) 8:00
  7. 7.A film starts at 6:55 and ends at 8:55. How long is the film? (a) 1 h (b) 2 h (c) 3 h (d) 2 h 10 min
  8. 8.A film starts at 5:05 and ends at 6:55. How long is the film? (a) 2 h 50 min (b) 50 min (c) 2 h (d) 1 h 50 min
  9. 9.What time was it 55 minutes before 9:25? (a) 8:40 (b) 8:30 (c) 9:30 (d) 7:30
  10. 10.A film starts at 3:55 and ends at 4:30. How long is the film? (a) 1 h 35 min (b) 25 min (c) 45 min (d) 35 min
  11. 11.What time will it be 45 minutes after 3:35? (a) 4:10 (b) 4:20 (c) 5:20 (d) 3:20
  12. 12.A film starts at 5:35 and ends at 8:35. How long is the film? (a) 2 h (b) 3 h (c) 3 h 10 min (d) 4 h
  13. 13.A film starts at 2:10 and ends at 3:05. How long is the film? (a) 1 h 55 min (b) 1 h 5 min (c) 55 min (d) 45 min
  14. 14.A film starts at 1:10 and ends at 1:50. How long is the film? (a) 1 h 40 min (b) 50 min (c) 30 min (d) 40 min
  15. 15.A film starts at 6:10 and ends at 7:40. How long is the film? (a) 30 min (b) 1 h 40 min (c) 1 h 30 min (d) 2 h 30 min
  16. 16.What time will it be 30 minutes after 5:40? (a) 6:10 (b) 6:00 (c) 5:10 (d) 7:10
  17. 17.What time will it be 30 minutes after 7:45? (a) 7:15 (b) 8:15 (c) 8:05 (d) 9:15
  18. 18.What time was it 35 minutes before 3:40? (a) 4:05 (b) 3:05 (c) 3:15 (d) 2:05
  19. 19.A film starts at 8:15 and ends at 11:10. How long is the film? (a) 3 h 55 min (b) 1 h 55 min (c) 3 h 5 min (d) 2 h 55 min
  20. 20.A film starts at 7:25 and ends at 9:55. How long is the film? (a) 2 h 40 min (b) 1 h 30 min (c) 2 h 30 min (d) 3 h 30 min
  21. 21.What time will it be 15 minutes after 8:20? (a) 8:25 (b) 9:35 (c) 8:35 (d) 7:35
  22. 22.What time was it 30 minutes before 5:55? (a) 5:25 (b) 5:35 (c) 6:25 (d) 4:25
  23. 23.A film starts at 1:20 and ends at 2:25. How long is the film? (a) 2 h 5 min (b) 5 min (c) 1 h 15 min (d) 1 h 5 min
  24. 24.What time was it 20 minutes before 10:55? (a) 9:35 (b) 11:35 (c) 10:35 (d) 10:45
  25. 25.What time will it be 35 minutes after 3:45? (a) 4:20 (b) 5:20 (c) 3:20 (d) 4:10
  26. 26.What time will it be 20 minutes after 7:55? (a) 8:05 (b) 9:15 (c) 8:15 (d) 7:15
  27. 27.What time will it be 30 minutes after 8:50? (a) 8:20 (b) 10:20 (c) 9:10 (d) 9:20
  28. 28.What time was it 15 minutes before 5:40? (a) 4:25 (b) 6:25 (c) 5:25 (d) 5:35
  29. 29.A film starts at 2:30 and ends at 2:50. How long is the film? (a) 30 min (b) 1 h 20 min (c) 10 min (d) 20 min
  30. 30.A film starts at 3:05 and ends at 3:40. How long is the film? (a) 35 min (b) 45 min (c) 1 h 35 min (d) 25 min
  31. 31.What time will it be 35 minutes after 6:05? (a) 5:40 (b) 6:40 (c) 7:40 (d) 6:30
  32. 32.What time will it be 25 minutes after 4:05? (a) 3:30 (b) 5:30 (c) 4:30 (d) 4:20
  33. 33.A film starts at 7:10 and ends at 9:40. How long is the film? (a) 3 h 30 min (b) 1 h 30 min (c) 2 h 30 min (d) 2 h 40 min
  34. 34.What time was it 55 minutes before 9:50? (a) 9:05 (b) 8:55 (c) 9:55 (d) 7:55
  35. 35.What time will it be 25 minutes after 3:45? (a) 4:00 (b) 4:10 (c) 3:10 (d) 5:10
  36. 36.What time will it be 55 minutes after 8:50? (a) 9:35 (b) 10:45 (c) 9:45 (d) 8:45
  37. 37.What time will it be 15 minutes after 9:30? (a) 9:45 (b) 9:35 (c) 8:45 (d) 10:45
  38. 38.A film starts at 1:15 and ends at 1:55. How long is the film? (a) 30 min (b) 50 min (c) 1 h 40 min (d) 40 min
  39. 39.What time was it 20 minutes before 4:00? (a) 3:50 (b) 3:40 (c) 4:40 (d) 2:40
  40. 40.A film starts at 5:15 and ends at 6:15. How long is the film? (a) 1 h 10 min (b) 50 min (c) 2 h (d) 1 h

Answer key

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

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