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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 87 · 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 45 minutes after 10:10? (a) 9:55 (b) 10:45 (c) 11:55 (d) 10:55
  2. 2.What time will it be 15 minutes after 3:45? (a) 5:00 (b) 4:00 (c) 3:50 (d) 3:00
  3. 3.What time will it be 40 minutes after 7:05? (a) 7:35 (b) 6:45 (c) 7:45 (d) 8:45
  4. 4.A film starts at 8:50 and ends at 9:40. How long is the film? (a) 1 h 50 min (b) 1 h (c) 50 min (d) 40 min
  5. 5.What time will it be 40 minutes after 9:00? (a) 9:40 (b) 9:30 (c) 10:40 (d) 8:40
  6. 6.What time was it 45 minutes before 3:55? (a) 3:10 (b) 4:10 (c) 3:20 (d) 2:10
  7. 7.What time was it 20 minutes before 8:45? (a) 8:35 (b) 9:25 (c) 7:25 (d) 8:25
  8. 8.A film starts at 5:30 and ends at 8:00. How long is the film? (a) 3 h 30 min (b) 2 h 40 min (c) 2 h 30 min (d) 1 h 30 min
  9. 9.What time was it 20 minutes before 7:20? (a) 6:00 (b) 8:00 (c) 7:10 (d) 7:00
  10. 10.A film starts at 4:05 and ends at 5:05. How long is the film? (a) 2 h (b) 50 min (c) 1 h (d) 1 h 10 min
  11. 11.A film starts at 4:25 and ends at 5:50. How long is the film? (a) 1 h 25 min (b) 2 h 25 min (c) 1 h 35 min (d) 25 min
  12. 12.A film starts at 4:35 and ends at 7:15. How long is the film? (a) 2 h 50 min (b) 1 h 40 min (c) 3 h 40 min (d) 2 h 40 min
  13. 13.What time was it 20 minutes before 6:55? (a) 5:35 (b) 6:45 (c) 6:35 (d) 7:35
  14. 14.What time was it 25 minutes before 3:15? (a) 3:50 (b) 1:50 (c) 3:00 (d) 2:50
  15. 15.What time will it be 40 minutes after 9:50? (a) 10:20 (b) 11:30 (c) 10:30 (d) 9:30
  16. 16.A film starts at 6:00 and ends at 6:45. How long is the film? (a) 1 h 45 min (b) 35 min (c) 45 min (d) 55 min
  17. 17.What time will it be 40 minutes after 4:20? (a) 4:00 (b) 4:50 (c) 5:00 (d) 6:00
  18. 18.What time will it be 30 minutes after 7:55? (a) 8:15 (b) 7:25 (c) 9:25 (d) 8:25
  19. 19.What time was it 20 minutes before 3:05? (a) 2:55 (b) 3:45 (c) 2:45 (d) 1:45
  20. 20.What time will it be 55 minutes after 6:45? (a) 8:40 (b) 6:40 (c) 7:40 (d) 7:30
  21. 21.What time was it 15 minutes before 2:50? (a) 2:35 (b) 2:45 (c) 1:35 (d) 3:35
  22. 22.What time was it 45 minutes before 6:00? (a) 4:15 (b) 5:15 (c) 6:15 (d) 5:25
  23. 23.A film starts at 7:35 and ends at 10:10. How long is the film? (a) 2 h 35 min (b) 3 h 35 min (c) 2 h 45 min (d) 1 h 35 min
  24. 24.A film starts at 4:05 and ends at 6:05. How long is the film? (a) 3 h (b) 1 h (c) 2 h (d) 2 h 10 min
  25. 25.A film starts at 4:10 and ends at 5:30. How long is the film? (a) 1 h 30 min (b) 20 min (c) 2 h 20 min (d) 1 h 20 min
  26. 26.A film starts at 8:05 and ends at 8:40. How long is the film? (a) 1 h 35 min (b) 25 min (c) 35 min (d) 45 min
  27. 27.A film starts at 6:30 and ends at 8:20. How long is the film? (a) 2 h 50 min (b) 50 min (c) 1 h 50 min (d) 2 h
  28. 28.What time will it be 50 minutes after 3:15? (a) 3:05 (b) 5:05 (c) 3:55 (d) 4:05
  29. 29.A film starts at 6:15 and ends at 7:30. How long is the film? (a) 15 min (b) 1 h 25 min (c) 2 h 15 min (d) 1 h 15 min
  30. 30.A film starts at 1:50 and ends at 3:30. How long is the film? (a) 40 min (b) 1 h 50 min (c) 2 h 40 min (d) 1 h 40 min
  31. 31.A film starts at 6:00 and ends at 6:20. How long is the film? (a) 10 min (b) 20 min (c) 30 min (d) 1 h 20 min
  32. 32.What time was it 35 minutes before 4:20? (a) 2:45 (b) 3:55 (c) 4:45 (d) 3:45
  33. 33.What time was it 55 minutes before 4:30? (a) 3:35 (b) 3:45 (c) 4:35 (d) 2:35
  34. 34.A film starts at 8:05 and ends at 9:25. How long is the film? (a) 20 min (b) 1 h 20 min (c) 1 h 30 min (d) 2 h 20 min
  35. 35.A film starts at 7:15 and ends at 7:35. How long is the film? (a) 20 min (b) 10 min (c) 1 h 20 min (d) 30 min
  36. 36.What time will it be 25 minutes after 10:05? (a) 10:20 (b) 10:30 (c) 9:30 (d) 11:30
  37. 37.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) 2 h 20 min (d) 1 h 10 min
  38. 38.What time will it be 35 minutes after 4:00? (a) 3:35 (b) 4:25 (c) 4:35 (d) 5:35
  39. 39.What time will it be 45 minutes after 7:40? (a) 7:25 (b) 8:25 (c) 8:15 (d) 9:25
  40. 40.A film starts at 6:15 and ends at 7:10. How long is the film? (a) 1 h 55 min (b) 55 min (c) 45 min (d) 1 h 5 min

Answer key

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

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