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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 941 · 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 40 minutes before 8:10? (a) 6:30 (b) 8:30 (c) 7:30 (d) 7:40
  2. 2.What time was it 20 minutes before 4:45? (a) 4:25 (b) 3:25 (c) 5:25 (d) 4:35
  3. 3.What time will it be 55 minutes after 6:25? (a) 7:20 (b) 6:20 (c) 7:10 (d) 8:20
  4. 4.A film starts at 3:50 and ends at 5:50. How long is the film? (a) 2 h 10 min (b) 1 h (c) 2 h (d) 3 h
  5. 5.What time was it 20 minutes before 11:55? (a) 11:35 (b) 11:45 (c) 10:35 (d) 12:35
  6. 6.A film starts at 1:25 and ends at 2:40. How long is the film? (a) 1 h 15 min (b) 15 min (c) 1 h 25 min (d) 2 h 15 min
  7. 7.A film starts at 1:15 and ends at 2:20. How long is the film? (a) 1 h 15 min (b) 5 min (c) 1 h 5 min (d) 2 h 5 min
  8. 8.What time will it be 50 minutes after 2:35? (a) 2:25 (b) 3:15 (c) 4:25 (d) 3:25
  9. 9.A film starts at 3:00 and ends at 4:35. How long is the film? (a) 1 h 45 min (b) 2 h 35 min (c) 35 min (d) 1 h 35 min
  10. 10.What time was it 25 minutes before 3:20? (a) 3:05 (b) 2:55 (c) 1:55 (d) 3:55
  11. 11.A film starts at 3:55 and ends at 4:20. How long is the film? (a) 25 min (b) 1 h 25 min (c) 15 min (d) 35 min
  12. 12.What time will it be 20 minutes after 4:40? (a) 5:00 (b) 6:00 (c) 4:50 (d) 4:00
  13. 13.What time will it be 20 minutes after 9:30? (a) 8:50 (b) 9:40 (c) 10:50 (d) 9:50
  14. 14.What time was it 25 minutes before 10:15? (a) 9:50 (b) 8:50 (c) 10:00 (d) 10:50
  15. 15.A film starts at 5:15 and ends at 7:50. 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
  16. 16.A film starts at 7:35 and ends at 8:45. How long is the film? (a) 2 h 10 min (b) 1 h 20 min (c) 1 h 10 min (d) 10 min
  17. 17.What time will it be 45 minutes after 1:30? (a) 3:15 (b) 1:15 (c) 2:05 (d) 2:15
  18. 18.A film starts at 1:00 and ends at 1:20. How long is the film? (a) 10 min (b) 1 h 20 min (c) 20 min (d) 30 min
  19. 19.A film starts at 4:25 and ends at 5:45. How long is the film? (a) 1 h 20 min (b) 2 h 20 min (c) 1 h 30 min (d) 20 min
  20. 20.What time was it 50 minutes before 5:15? (a) 4:35 (b) 3:25 (c) 4:25 (d) 5:25
  21. 21.A film starts at 3:05 and ends at 5:15. How long is the film? (a) 2 h 20 min (b) 1 h 10 min (c) 3 h 10 min (d) 2 h 10 min
  22. 22.What time will it be 35 minutes after 2:20? (a) 1:55 (b) 3:55 (c) 2:55 (d) 2:45
  23. 23.A film starts at 4:45 and ends at 7:45. How long is the film? (a) 3 h 10 min (b) 4 h (c) 3 h (d) 2 h
  24. 24.A film starts at 2:35 and ends at 4:10. How long is the film? (a) 1 h 45 min (b) 35 min (c) 1 h 35 min (d) 2 h 35 min
  25. 25.A film starts at 7:20 and ends at 8:50. How long is the film? (a) 30 min (b) 1 h 40 min (c) 1 h 30 min (d) 2 h 30 min
  26. 26.What time was it 55 minutes before 9:40? (a) 8:55 (b) 7:45 (c) 8:45 (d) 9:45
  27. 27.What time will it be 35 minutes after 2:05? (a) 2:40 (b) 1:40 (c) 2:30 (d) 3:40
  28. 28.What time will it be 55 minutes after 2:40? (a) 3:35 (b) 3:25 (c) 4:35 (d) 2:35
  29. 29.What time was it 35 minutes before 3:55? (a) 3:30 (b) 3:20 (c) 2:20 (d) 4:20
  30. 30.What time was it 35 minutes before 4:00? (a) 3:35 (b) 2:25 (c) 3:25 (d) 4:25
  31. 31.A film starts at 4:10 and ends at 5:30. How long is the film? (a) 1 h 20 min (b) 20 min (c) 1 h 30 min (d) 2 h 20 min
  32. 32.A film starts at 4:25 and ends at 5:40. How long is the film? (a) 15 min (b) 1 h 15 min (c) 2 h 15 min (d) 1 h 25 min
  33. 33.What time was it 35 minutes before 8:15? (a) 6:40 (b) 7:40 (c) 7:50 (d) 8:40
  34. 34.What time will it be 15 minutes after 10:45? (a) 11:00 (b) 12:00 (c) 10:00 (d) 10:50
  35. 35.What time will it be 15 minutes after 7:15? (a) 6:30 (b) 7:30 (c) 7:20 (d) 8:30
  36. 36.A film starts at 2:30 and ends at 4:55. How long is the film? (a) 2 h 35 min (b) 1 h 25 min (c) 2 h 25 min (d) 3 h 25 min
  37. 37.A film starts at 3:45 and ends at 4:10. How long is the film? (a) 1 h 25 min (b) 25 min (c) 15 min (d) 35 min
  38. 38.What time was it 20 minutes before 4:50? (a) 4:40 (b) 5:30 (c) 3:30 (d) 4:30
  39. 39.What time was it 20 minutes before 7:05? (a) 5:45 (b) 6:55 (c) 7:45 (d) 6:45
  40. 40.A film starts at 7:05 and ends at 10:05. How long is the film? (a) 3 h (b) 3 h 10 min (c) 2 h (d) 4 h

Answer key

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

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