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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 860 · 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 4:00 and ends at 5:10. How long is the film? (a) 1 h 20 min (b) 10 min (c) 2 h 10 min (d) 1 h 10 min
  2. 2.What time was it 35 minutes before 2:05? (a) 1:40 (b) 1:20 (c) 2:30 (d) 1:30
  3. 3.A film starts at 6:10 and ends at 7:15. How long is the film? (a) 5 min (b) 1 h 5 min (c) 2 h 5 min (d) 1 h 15 min
  4. 4.A film starts at 1:45 and ends at 2:20. How long is the film? (a) 35 min (b) 1 h 35 min (c) 25 min (d) 45 min
  5. 5.What time was it 35 minutes before 10:25? (a) 10:50 (b) 10:00 (c) 8:50 (d) 9:50
  6. 6.What time was it 30 minutes before 10:10? (a) 9:50 (b) 10:40 (c) 9:40 (d) 8:40
  7. 7.What time was it 45 minutes before 10:35? (a) 9:50 (b) 10:00 (c) 10:50 (d) 8:50
  8. 8.What time was it 15 minutes before 8:25? (a) 8:20 (b) 8:10 (c) 9:10 (d) 7:10
  9. 9.What time was it 35 minutes before 5:10? (a) 5:35 (b) 4:45 (c) 4:35 (d) 3:35
  10. 10.What time will it be 35 minutes after 7:20? (a) 7:55 (b) 6:55 (c) 8:55 (d) 7:45
  11. 11.A film starts at 2:30 and ends at 4:15. How long is the film? (a) 2 h 45 min (b) 1 h 45 min (c) 45 min (d) 1 h 55 min
  12. 12.What time was it 40 minutes before 11:45? (a) 10:05 (b) 11:05 (c) 11:15 (d) 12:05
  13. 13.What time was it 15 minutes before 3:30? (a) 4:15 (b) 3:15 (c) 3:25 (d) 2:15
  14. 14.What time will it be 20 minutes after 9:30? (a) 10:50 (b) 9:50 (c) 8:50 (d) 9:40
  15. 15.What time was it 35 minutes before 7:20? (a) 6:45 (b) 7:45 (c) 6:55 (d) 5:45
  16. 16.A film starts at 3:45 and ends at 6:10. How long is the film? (a) 2 h 35 min (b) 1 h 25 min (c) 3 h 25 min (d) 2 h 25 min
  17. 17.What time was it 50 minutes before 11:30? (a) 10:50 (b) 10:40 (c) 11:40 (d) 9:40
  18. 18.What time was it 40 minutes before 9:25? (a) 7:45 (b) 8:45 (c) 9:45 (d) 8:55
  19. 19.What time will it be 40 minutes after 8:00? (a) 8:30 (b) 9:40 (c) 7:40 (d) 8:40
  20. 20.What time will it be 45 minutes after 5:50? (a) 6:35 (b) 7:35 (c) 5:35 (d) 6:25
  21. 21.What time will it be 25 minutes after 2:35? (a) 4:00 (b) 2:00 (c) 3:00 (d) 2:50
  22. 22.What time will it be 25 minutes after 9:50? (a) 10:05 (b) 10:15 (c) 11:15 (d) 9:15
  23. 23.A film starts at 8:40 and ends at 10:40. How long is the film? (a) 2 h 10 min (b) 1 h (c) 3 h (d) 2 h
  24. 24.What time will it be 15 minutes after 7:45? (a) 7:50 (b) 7:00 (c) 8:00 (d) 9:00
  25. 25.What time was it 20 minutes before 3:45? (a) 4:25 (b) 3:25 (c) 2:25 (d) 3:35
  26. 26.What time will it be 30 minutes after 6:20? (a) 5:50 (b) 6:50 (c) 6:40 (d) 7:50
  27. 27.What time was it 45 minutes before 9:35? (a) 7:50 (b) 8:50 (c) 9:00 (d) 9:50
  28. 28.What time will it be 45 minutes after 9:40? (a) 10:15 (b) 9:25 (c) 11:25 (d) 10:25
  29. 29.A film starts at 3:05 and ends at 4:40. How long is the film? (a) 35 min (b) 2 h 35 min (c) 1 h 45 min (d) 1 h 35 min
  30. 30.What time was it 55 minutes before 4:15? (a) 3:30 (b) 4:20 (c) 2:20 (d) 3:20
  31. 31.A film starts at 3:05 and ends at 3:55. How long is the film? (a) 40 min (b) 1 h (c) 50 min (d) 1 h 50 min
  32. 32.A film starts at 2:25 and ends at 3:45. How long is the film? (a) 20 min (b) 2 h 20 min (c) 1 h 20 min (d) 1 h 30 min
  33. 33.What time was it 15 minutes before 10:10? (a) 9:55 (b) 10:55 (c) 8:55 (d) 10:05
  34. 34.What time will it be 45 minutes after 7:50? (a) 8:35 (b) 7:35 (c) 8:25 (d) 9:35
  35. 35.What time was it 20 minutes before 5:10? (a) 5:50 (b) 4:50 (c) 5:00 (d) 3:50
  36. 36.A film starts at 1:30 and ends at 2:20. How long is the film? (a) 1 h (b) 40 min (c) 1 h 50 min (d) 50 min
  37. 37.What time will it be 55 minutes after 8:45? (a) 9:30 (b) 8:40 (c) 9:40 (d) 10:40
  38. 38.What time will it be 30 minutes after 7:35? (a) 7:05 (b) 9:05 (c) 7:55 (d) 8:05
  39. 39.A film starts at 3:40 and ends at 6:30. How long is the film? (a) 2 h 50 min (b) 3 h (c) 1 h 50 min (d) 3 h 50 min
  40. 40.A film starts at 7:10 and ends at 9:25. 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

Answer key

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

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