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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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