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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 787 · 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 15 minutes after 8:00? (a) 7:15 (b) 9:15 (c) 8:15 (d) 8:05
  2. 2.What time was it 30 minutes before 11:15? (a) 10:55 (b) 10:45 (c) 9:45 (d) 11:45
  3. 3.What time will it be 20 minutes after 3:00? (a) 3:10 (b) 2:20 (c) 4:20 (d) 3:20
  4. 4.A film starts at 2:55 and ends at 5:20. How long is the film? (a) 3 h 25 min (b) 2 h 35 min (c) 2 h 25 min (d) 1 h 25 min
  5. 5.A film starts at 8:15 and ends at 9:15. How long is the film? (a) 50 min (b) 2 h (c) 1 h 10 min (d) 1 h
  6. 6.A film starts at 1:15 and ends at 3:50. How long is the film? (a) 3 h 35 min (b) 2 h 35 min (c) 1 h 35 min (d) 2 h 45 min
  7. 7.What time will it be 50 minutes after 2:20? (a) 2:10 (b) 3:10 (c) 3:00 (d) 4:10
  8. 8.What time will it be 20 minutes after 5:50? (a) 5:10 (b) 6:00 (c) 7:10 (d) 6:10
  9. 9.A film starts at 7:05 and ends at 9:25. How long is the film? (a) 3 h 20 min (b) 1 h 20 min (c) 2 h 30 min (d) 2 h 20 min
  10. 10.What time was it 50 minutes before 3:10? (a) 1:20 (b) 2:30 (c) 2:20 (d) 3:20
  11. 11.What time will it be 45 minutes after 10:50? (a) 12:35 (b) 11:35 (c) 11:25 (d) 10:35
  12. 12.What time was it 20 minutes before 11:10? (a) 9:50 (b) 11:00 (c) 10:50 (d) 11:50
  13. 13.What time will it be 20 minutes after 6:30? (a) 5:50 (b) 6:50 (c) 7:50 (d) 6:40
  14. 14.A film starts at 4:25 and ends at 4:55. How long is the film? (a) 20 min (b) 40 min (c) 1 h 30 min (d) 30 min
  15. 15.A film starts at 7:40 and ends at 9:40. How long is the film? (a) 3 h (b) 2 h (c) 2 h 10 min (d) 1 h
  16. 16.What time was it 40 minutes before 10:05? (a) 9:35 (b) 8:25 (c) 9:25 (d) 10:25
  17. 17.What time will it be 20 minutes after 7:00? (a) 7:10 (b) 8:20 (c) 7:20 (d) 6:20
  18. 18.What time was it 30 minutes before 10:05? (a) 10:35 (b) 9:45 (c) 9:35 (d) 8:35
  19. 19.What time will it be 30 minutes after 3:45? (a) 4:05 (b) 5:15 (c) 3:15 (d) 4:15
  20. 20.What time was it 15 minutes before 10:10? (a) 9:55 (b) 8:55 (c) 10:55 (d) 10:05
  21. 21.A film starts at 6:55 and ends at 9:55. How long is the film? (a) 4 h (b) 2 h (c) 3 h (d) 3 h 10 min
  22. 22.What time will it be 15 minutes after 10:35? (a) 11:50 (b) 9:50 (c) 10:50 (d) 10:40
  23. 23.What time was it 20 minutes before 2:00? (a) 1:50 (b) 2:40 (c) 1:40 (d) 1:30
  24. 24.What time was it 20 minutes before 7:45? (a) 7:25 (b) 8:25 (c) 7:35 (d) 6:25
  25. 25.A film starts at 6:45 and ends at 7:25. How long is the film? (a) 30 min (b) 40 min (c) 50 min (d) 1 h 40 min
  26. 26.What time was it 15 minutes before 6:00? (a) 6:45 (b) 4:45 (c) 5:45 (d) 5:55
  27. 27.What time will it be 30 minutes after 3:20? (a) 3:50 (b) 2:50 (c) 4:50 (d) 3:40
  28. 28.What time was it 40 minutes before 11:35? (a) 11:55 (b) 11:05 (c) 9:55 (d) 10:55
  29. 29.What time will it be 25 minutes after 3:00? (a) 2:25 (b) 3:25 (c) 3:15 (d) 4:25
  30. 30.What time was it 40 minutes before 10:40? (a) 10:10 (b) 10:00 (c) 11:00 (d) 9:00
  31. 31.What time was it 30 minutes before 9:35? (a) 8:05 (b) 9:05 (c) 9:15 (d) 10:05
  32. 32.What time will it be 45 minutes after 5:30? (a) 7:15 (b) 6:05 (c) 5:15 (d) 6:15
  33. 33.A film starts at 4:30 and ends at 5:40. How long is the film? (a) 2 h 10 min (b) 10 min (c) 1 h 20 min (d) 1 h 10 min
  34. 34.What time will it be 50 minutes after 3:00? (a) 2:50 (b) 3:50 (c) 3:40 (d) 4:50
  35. 35.What time was it 25 minutes before 11:15? (a) 11:50 (b) 9:50 (c) 11:00 (d) 10:50
  36. 36.A film starts at 7:15 and ends at 10:15. How long is the film? (a) 3 h (b) 2 h (c) 4 h (d) 3 h 10 min
  37. 37.What time will it be 55 minutes after 3:00? (a) 4:55 (b) 3:45 (c) 2:55 (d) 3:55
  38. 38.What time will it be 35 minutes after 5:40? (a) 6:15 (b) 5:15 (c) 7:15 (d) 6:05
  39. 39.What time will it be 35 minutes after 10:15? (a) 10:40 (b) 10:50 (c) 11:50 (d) 9:50
  40. 40.A film starts at 1:20 and ends at 3:20. How long is the film? (a) 1 h (b) 2 h 10 min (c) 2 h (d) 3 h

Answer key

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

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