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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 128 · 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 was it 55 minutes before 8:50? (a) 8:05 (b) 7:55 (c) 8:55 (d) 6:55
  2. 2.What time was it 55 minutes before 4:55? (a) 5:00 (b) 3:00 (c) 4:10 (d) 4:00
  3. 3.What time will it be 35 minutes after 5:25? (a) 6:00 (b) 7:00 (c) 5:50 (d) 5:00
  4. 4.What time was it 40 minutes before 6:10? (a) 6:30 (b) 4:30 (c) 5:30 (d) 5:40
  5. 5.A film starts at 5:15 and ends at 7:45. How long is the film? (a) 1 h 30 min (b) 2 h 40 min (c) 3 h 30 min (d) 2 h 30 min
  6. 6.What time was it 45 minutes before 10:20? (a) 9:45 (b) 8:35 (c) 10:35 (d) 9:35
  7. 7.What time was it 15 minutes before 9:10? (a) 7:55 (b) 9:05 (c) 9:55 (d) 8:55
  8. 8.What time will it be 45 minutes after 3:30? (a) 4:05 (b) 4:15 (c) 3:15 (d) 5:15
  9. 9.What time will it be 25 minutes after 1:50? (a) 2:15 (b) 2:05 (c) 3:15 (d) 1:15
  10. 10.A film starts at 8:50 and ends at 10:30. How long is the film? (a) 1 h 40 min (b) 40 min (c) 1 h 50 min (d) 2 h 40 min
  11. 11.What time will it be 35 minutes after 8:55? (a) 9:20 (b) 10:30 (c) 8:30 (d) 9:30
  12. 12.What time was it 50 minutes before 11:05? (a) 9:15 (b) 10:25 (c) 10:15 (d) 11:15
  13. 13.A film starts at 5:05 and ends at 8:00. How long is the film? (a) 3 h 55 min (b) 1 h 55 min (c) 2 h 55 min (d) 3 h 5 min
  14. 14.What time was it 40 minutes before 4:50? (a) 5:10 (b) 3:10 (c) 4:10 (d) 4:20
  15. 15.What time will it be 15 minutes after 5:20? (a) 4:35 (b) 6:35 (c) 5:25 (d) 5:35
  16. 16.A film starts at 7:25 and ends at 8:15. How long is the film? (a) 40 min (b) 1 h (c) 1 h 50 min (d) 50 min
  17. 17.What time was it 40 minutes before 5:50? (a) 5:10 (b) 6:10 (c) 5:20 (d) 4:10
  18. 18.A film starts at 3:20 and ends at 3:55. How long is the film? (a) 1 h 35 min (b) 25 min (c) 45 min (d) 35 min
  19. 19.A film starts at 7:25 and ends at 9:25. How long is the film? (a) 2 h (b) 2 h 10 min (c) 3 h (d) 1 h
  20. 20.What time will it be 50 minutes after 6:30? (a) 6:20 (b) 7:10 (c) 7:20 (d) 8:20
  21. 21.What time will it be 50 minutes after 4:15? (a) 5:05 (b) 4:55 (c) 4:05 (d) 6:05
  22. 22.What time was it 25 minutes before 6:40? (a) 6:15 (b) 6:25 (c) 7:15 (d) 5:15
  23. 23.What time was it 45 minutes before 8:25? (a) 6:40 (b) 8:40 (c) 7:50 (d) 7:40
  24. 24.What time will it be 40 minutes after 9:35? (a) 11:15 (b) 10:15 (c) 10:05 (d) 9:15
  25. 25.A film starts at 6:50 and ends at 9:00. How long is the film? (a) 2 h 10 min (b) 1 h 10 min (c) 2 h 20 min (d) 3 h 10 min
  26. 26.A film starts at 4:20 and ends at 6:45. How long is the film? (a) 1 h 25 min (b) 2 h 25 min (c) 3 h 25 min (d) 2 h 35 min
  27. 27.What time will it be 45 minutes after 2:10? (a) 2:45 (b) 3:55 (c) 1:55 (d) 2:55
  28. 28.What time was it 55 minutes before 10:05? (a) 9:20 (b) 8:10 (c) 10:10 (d) 9:10
  29. 29.A film starts at 2:45 and ends at 4:30. How long is the film? (a) 2 h 45 min (b) 45 min (c) 1 h 55 min (d) 1 h 45 min
  30. 30.A film starts at 8:10 and ends at 10:25. How long is the film? (a) 1 h 15 min (b) 2 h 25 min (c) 3 h 15 min (d) 2 h 15 min
  31. 31.What time was it 25 minutes before 3:45? (a) 2:20 (b) 3:20 (c) 4:20 (d) 3:30
  32. 32.What time was it 20 minutes before 11:30? (a) 11:20 (b) 12:10 (c) 10:10 (d) 11:10
  33. 33.A film starts at 2:25 and ends at 5:05. How long is the film? (a) 2 h 40 min (b) 3 h 40 min (c) 2 h 50 min (d) 1 h 40 min
  34. 34.What time was it 50 minutes before 8:50? (a) 9:00 (b) 7:00 (c) 8:00 (d) 8:10
  35. 35.A film starts at 1:10 and ends at 1:45. How long is the film? (a) 25 min (b) 45 min (c) 35 min (d) 1 h 35 min
  36. 36.What time will it be 15 minutes after 8:50? (a) 8:05 (b) 9:05 (c) 8:55 (d) 10:05
  37. 37.A film starts at 4:05 and ends at 4:45. How long is the film? (a) 40 min (b) 30 min (c) 50 min (d) 1 h 40 min
  38. 38.A film starts at 1:10 and ends at 2:40. How long is the film? (a) 1 h 40 min (b) 30 min (c) 1 h 30 min (d) 2 h 30 min
  39. 39.What time was it 15 minutes before 10:00? (a) 9:45 (b) 8:45 (c) 9:55 (d) 10:45
  40. 40.A film starts at 3:30 and ends at 5:15. How long is the film? (a) 45 min (b) 1 h 45 min (c) 1 h 55 min (d) 2 h 45 min

Answer key

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

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