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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 389 · 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 7:50 and ends at 8:55. How long is the film? (a) 1 h 15 min (b) 5 min (c) 1 h 5 min (d) 2 h 5 min
  2. 2.A film starts at 7:15 and ends at 9:45. How long is the film? (a) 1 h 30 min (b) 3 h 30 min (c) 2 h 40 min (d) 2 h 30 min
  3. 3.A film starts at 3:45 and ends at 6:45. How long is the film? (a) 2 h (b) 3 h 10 min (c) 4 h (d) 3 h
  4. 4.A film starts at 3:05 and ends at 4:55. How long is the film? (a) 50 min (b) 1 h 50 min (c) 2 h 50 min (d) 2 h
  5. 5.What time was it 25 minutes before 11:05? (a) 11:40 (b) 10:50 (c) 10:40 (d) 9:40
  6. 6.What time will it be 25 minutes after 9:10? (a) 10:35 (b) 9:35 (c) 9:25 (d) 8:35
  7. 7.A film starts at 8:50 and ends at 9:40. How long is the film? (a) 40 min (b) 1 h (c) 1 h 50 min (d) 50 min
  8. 8.What time was it 40 minutes before 9:35? (a) 8:55 (b) 7:55 (c) 9:55 (d) 9:05
  9. 9.What time will it be 15 minutes after 9:10? (a) 10:25 (b) 8:25 (c) 9:25 (d) 9:15
  10. 10.What time will it be 30 minutes after 1:40? (a) 1:10 (b) 3:10 (c) 2:10 (d) 2:00
  11. 11.A film starts at 2:45 and ends at 3:55. How long is the film? (a) 1 h 20 min (b) 1 h 10 min (c) 10 min (d) 2 h 10 min
  12. 12.A film starts at 4:30 and ends at 6:00. How long is the film? (a) 1 h 30 min (b) 30 min (c) 1 h 40 min (d) 2 h 30 min
  13. 13.What time was it 30 minutes before 11:35? (a) 11:15 (b) 12:05 (c) 11:05 (d) 10:05
  14. 14.A film starts at 5:20 and ends at 6:20. How long is the film? (a) 2 h (b) 1 h 10 min (c) 50 min (d) 1 h
  15. 15.What time was it 50 minutes before 3:10? (a) 2:30 (b) 2:20 (c) 1:20 (d) 3:20
  16. 16.What time will it be 30 minutes after 6:50? (a) 8:20 (b) 7:10 (c) 7:20 (d) 6:20
  17. 17.A film starts at 2:50 and ends at 3:50. How long is the film? (a) 1 h 10 min (b) 2 h (c) 50 min (d) 1 h
  18. 18.What time will it be 30 minutes after 8:50? (a) 8:20 (b) 9:20 (c) 9:10 (d) 10:20
  19. 19.What time was it 50 minutes before 10:00? (a) 9:10 (b) 9:20 (c) 8:10 (d) 10:10
  20. 20.What time will it be 45 minutes after 5:10? (a) 4:55 (b) 5:55 (c) 5:45 (d) 6:55
  21. 21.What time will it be 50 minutes after 4:00? (a) 5:50 (b) 4:50 (c) 3:50 (d) 4:40
  22. 22.What time will it be 30 minutes after 10:35? (a) 10:05 (b) 12:05 (c) 11:05 (d) 10:55
  23. 23.What time will it be 15 minutes after 3:15? (a) 3:20 (b) 3:30 (c) 2:30 (d) 4:30
  24. 24.A film starts at 5:15 and ends at 8:00. How long is the film? (a) 1 h 45 min (b) 2 h 55 min (c) 3 h 45 min (d) 2 h 45 min
  25. 25.What time was it 55 minutes before 2:05? (a) 2:10 (b) 1:00 (c) 1:10 (d) 1:20
  26. 26.What time will it be 40 minutes after 9:25? (a) 9:55 (b) 11:05 (c) 10:05 (d) 9:05
  27. 27.What time will it be 25 minutes after 1:30? (a) 1:45 (b) 2:55 (c) 2:05 (d) 1:55
  28. 28.What time was it 15 minutes before 5:15? (a) 6:00 (b) 5:00 (c) 4:00 (d) 5:10
  29. 29.A film starts at 1:30 and ends at 3:25. How long is the film? (a) 55 min (b) 2 h 55 min (c) 2 h 5 min (d) 1 h 55 min
  30. 30.What time was it 20 minutes before 10:55? (a) 9:35 (b) 10:45 (c) 10:35 (d) 11:35
  31. 31.What time will it be 20 minutes after 4:00? (a) 5:20 (b) 4:10 (c) 4:20 (d) 3:20
  32. 32.What time will it be 35 minutes after 10:15? (a) 11:50 (b) 9:50 (c) 10:40 (d) 10:50
  33. 33.What time was it 30 minutes before 2:10? (a) 2:40 (b) 1:30 (c) 1:50 (d) 1:40
  34. 34.A film starts at 3:15 and ends at 6:10. How long is the film? (a) 3 h 55 min (b) 2 h 55 min (c) 1 h 55 min (d) 3 h 5 min
  35. 35.What time will it be 25 minutes after 8:15? (a) 7:40 (b) 8:30 (c) 9:40 (d) 8:40
  36. 36.A film starts at 3:20 and ends at 4:05. How long is the film? (a) 35 min (b) 55 min (c) 45 min (d) 1 h 45 min
  37. 37.What time will it be 20 minutes after 2:35? (a) 2:55 (b) 2:45 (c) 3:55 (d) 1:55
  38. 38.What time was it 45 minutes before 8:05? (a) 8:20 (b) 6:20 (c) 7:30 (d) 7:20
  39. 39.What time will it be 55 minutes after 1:00? (a) 1:55 (b) 2:55 (c) 1:45 (d) 2:05
  40. 40.What time will it be 40 minutes after 4:35? (a) 4:15 (b) 6:15 (c) 5:05 (d) 5:15

Answer key

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

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