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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 335 · 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 7:40 and ends at 8:30. How long is the film? (a) 40 min (b) 50 min (c) 1 h (d) 1 h 50 min
  2. 2.A film starts at 7:25 and ends at 9:15. How long is the film? (a) 2 h 50 min (b) 1 h 50 min (c) 50 min (d) 2 h
  3. 3.What time will it be 25 minutes after 8:35? (a) 8:50 (b) 10:00 (c) 8:00 (d) 9:00
  4. 4.What time was it 55 minutes before 7:35? (a) 6:50 (b) 7:40 (c) 5:40 (d) 6:40
  5. 5.What time will it be 40 minutes after 5:30? (a) 5:10 (b) 6:10 (c) 7:10 (d) 6:00
  6. 6.What time was it 25 minutes before 4:10? (a) 4:45 (b) 2:45 (c) 3:55 (d) 3:45
  7. 7.What time was it 15 minutes before 11:55? (a) 10:40 (b) 11:50 (c) 12:40 (d) 11:40
  8. 8.A film starts at 6:25 and ends at 8:45. How long is the film? (a) 1 h 20 min (b) 3 h 20 min (c) 2 h 30 min (d) 2 h 20 min
  9. 9.What time was it 35 minutes before 3:05? (a) 2:30 (b) 1:30 (c) 3:30 (d) 2:40
  10. 10.What time was it 25 minutes before 9:25? (a) 9:00 (b) 9:10 (c) 8:00 (d) 10:00
  11. 11.A film starts at 4:00 and ends at 5:45. How long is the film? (a) 2 h 45 min (b) 1 h 55 min (c) 1 h 45 min (d) 45 min
  12. 12.A film starts at 3:00 and ends at 4:00. How long is the film? (a) 50 min (b) 1 h (c) 2 h (d) 1 h 10 min
  13. 13.What time will it be 20 minutes after 7:30? (a) 7:40 (b) 8:50 (c) 6:50 (d) 7:50
  14. 14.What time will it be 15 minutes after 10:05? (a) 11:20 (b) 9:20 (c) 10:20 (d) 10:10
  15. 15.What time was it 40 minutes before 6:15? (a) 4:35 (b) 5:35 (c) 6:35 (d) 5:45
  16. 16.A film starts at 8:05 and ends at 9:30. How long is the film? (a) 1 h 25 min (b) 1 h 35 min (c) 25 min (d) 2 h 25 min
  17. 17.A film starts at 2:00 and ends at 3:30. How long is the film? (a) 1 h 40 min (b) 2 h 30 min (c) 1 h 30 min (d) 30 min
  18. 18.What time will it be 25 minutes after 5:15? (a) 5:30 (b) 5:40 (c) 6:40 (d) 4:40
  19. 19.What time was it 15 minutes before 11:00? (a) 10:55 (b) 9:45 (c) 10:45 (d) 11:45
  20. 20.What time was it 15 minutes before 2:15? (a) 2:10 (b) 3:00 (c) 1:00 (d) 2:00
  21. 21.What time was it 50 minutes before 2:10? (a) 1:20 (b) 1:10 (c) 1:30 (d) 2:20
  22. 22.What time was it 40 minutes before 4:35? (a) 4:05 (b) 2:55 (c) 3:55 (d) 4:55
  23. 23.What time was it 35 minutes before 10:30? (a) 10:55 (b) 8:55 (c) 10:05 (d) 9:55
  24. 24.A film starts at 1:05 and ends at 3:20. How long is the film? (a) 2 h 25 min (b) 2 h 15 min (c) 3 h 15 min (d) 1 h 15 min
  25. 25.A film starts at 3:40 and ends at 4:05. How long is the film? (a) 25 min (b) 15 min (c) 1 h 25 min (d) 35 min
  26. 26.What time was it 15 minutes before 8:35? (a) 8:30 (b) 7:20 (c) 9:20 (d) 8:20
  27. 27.A film starts at 7:05 and ends at 8:05. How long is the film? (a) 2 h (b) 1 h (c) 1 h 10 min (d) 50 min
  28. 28.A film starts at 5:45 and ends at 7:25. How long is the film? (a) 1 h 50 min (b) 2 h 40 min (c) 40 min (d) 1 h 40 min
  29. 29.A film starts at 5:00 and ends at 7:05. How long is the film? (a) 1 h 5 min (b) 2 h 5 min (c) 3 h 5 min (d) 2 h 15 min
  30. 30.A film starts at 8:20 and ends at 9:40. How long is the film? (a) 2 h 20 min (b) 1 h 30 min (c) 20 min (d) 1 h 20 min
  31. 31.What time was it 30 minutes before 7:15? (a) 5:45 (b) 7:45 (c) 6:55 (d) 6:45
  32. 32.A film starts at 1:00 and ends at 3:15. How long is the film? (a) 3 h 15 min (b) 1 h 15 min (c) 2 h 25 min (d) 2 h 15 min
  33. 33.What time was it 45 minutes before 5:50? (a) 4:05 (b) 6:05 (c) 5:05 (d) 5:15
  34. 34.What time will it be 15 minutes after 9:20? (a) 10:35 (b) 9:25 (c) 9:35 (d) 8:35
  35. 35.What time was it 40 minutes before 4:45? (a) 4:15 (b) 3:05 (c) 4:05 (d) 5:05
  36. 36.A film starts at 1:00 and ends at 2:25. How long is the film? (a) 25 min (b) 1 h 35 min (c) 2 h 25 min (d) 1 h 25 min
  37. 37.What time was it 20 minutes before 11:15? (a) 11:05 (b) 11:55 (c) 10:55 (d) 9:55
  38. 38.What time will it be 25 minutes after 3:10? (a) 4:35 (b) 2:35 (c) 3:25 (d) 3:35
  39. 39.What time will it be 15 minutes after 2:00? (a) 3:15 (b) 2:15 (c) 2:05 (d) 1:15
  40. 40.What time will it be 50 minutes after 3:15? (a) 4:05 (b) 3:55 (c) 5:05 (d) 3:05

Answer key

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

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