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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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