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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 949 · 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 8:45 and ends at 9:10. How long is the film? (a) 35 min (b) 15 min (c) 1 h 25 min (d) 25 min
  2. 2.What time will it be 25 minutes after 5:00? (a) 5:15 (b) 5:25 (c) 6:25 (d) 4:25
  3. 3.What time will it be 25 minutes after 5:05? (a) 5:30 (b) 5:20 (c) 4:30 (d) 6:30
  4. 4.A film starts at 5:20 and ends at 6:10. How long is the film? (a) 1 h 50 min (b) 40 min (c) 50 min (d) 1 h
  5. 5.What time was it 55 minutes before 9:55? (a) 10:00 (b) 9:10 (c) 8:00 (d) 9:00
  6. 6.What time will it be 30 minutes after 1:15? (a) 1:55 (b) 2:45 (c) 1:45 (d) 1:35
  7. 7.What time was it 55 minutes before 8:05? (a) 7:20 (b) 7:10 (c) 8:10 (d) 6:10
  8. 8.What time was it 55 minutes before 5:45? (a) 5:50 (b) 3:50 (c) 4:50 (d) 5:00
  9. 9.What time was it 35 minutes before 11:45? (a) 11:10 (b) 10:10 (c) 12:10 (d) 11:20
  10. 10.What time will it be 45 minutes after 4:50? (a) 5:25 (b) 5:35 (c) 6:35 (d) 4:35
  11. 11.A film starts at 5:50 and ends at 6:10. How long is the film? (a) 30 min (b) 20 min (c) 10 min (d) 1 h 20 min
  12. 12.What time will it be 20 minutes after 10:50? (a) 12:10 (b) 10:10 (c) 11:00 (d) 11:10
  13. 13.A film starts at 8:35 and ends at 9:00. How long is the film? (a) 15 min (b) 25 min (c) 1 h 25 min (d) 35 min
  14. 14.What time will it be 45 minutes after 4:10? (a) 5:55 (b) 3:55 (c) 4:45 (d) 4:55
  15. 15.What time will it be 35 minutes after 7:30? (a) 9:05 (b) 8:05 (c) 7:55 (d) 7:05
  16. 16.What time will it be 45 minutes after 6:35? (a) 6:20 (b) 8:20 (c) 7:10 (d) 7:20
  17. 17.A film starts at 8:25 and ends at 9:35. How long is the film? (a) 2 h 10 min (b) 10 min (c) 1 h 10 min (d) 1 h 20 min
  18. 18.What time will it be 15 minutes after 8:05? (a) 8:10 (b) 8:20 (c) 9:20 (d) 7:20
  19. 19.What time will it be 50 minutes after 5:30? (a) 7:20 (b) 6:10 (c) 5:20 (d) 6:20
  20. 20.What time was it 25 minutes before 9:45? (a) 8:20 (b) 10:20 (c) 9:30 (d) 9:20
  21. 21.What time will it be 45 minutes after 7:05? (a) 6:50 (b) 7:40 (c) 8:50 (d) 7:50
  22. 22.A film starts at 2:25 and ends at 3:45. How long is the film? (a) 2 h 20 min (b) 1 h 20 min (c) 1 h 30 min (d) 20 min
  23. 23.What time was it 45 minutes before 8:55? (a) 8:10 (b) 7:10 (c) 8:20 (d) 9:10
  24. 24.What time was it 25 minutes before 9:55? (a) 9:40 (b) 9:30 (c) 10:30 (d) 8:30
  25. 25.What time was it 15 minutes before 10:25? (a) 11:10 (b) 9:10 (c) 10:20 (d) 10:10
  26. 26.What time was it 45 minutes before 4:00? (a) 3:15 (b) 2:15 (c) 3:25 (d) 4:15
  27. 27.A film starts at 3:30 and ends at 3:50. How long is the film? (a) 20 min (b) 1 h 20 min (c) 10 min (d) 30 min
  28. 28.What time will it be 15 minutes after 10:05? (a) 11:20 (b) 9:20 (c) 10:20 (d) 10:10
  29. 29.A film starts at 2:45 and ends at 4:50. How long is the film? (a) 2 h 15 min (b) 3 h 5 min (c) 1 h 5 min (d) 2 h 5 min
  30. 30.What time was it 35 minutes before 10:15? (a) 10:40 (b) 9:50 (c) 9:40 (d) 8:40
  31. 31.What time was it 35 minutes before 7:55? (a) 6:20 (b) 7:30 (c) 7:20 (d) 8:20
  32. 32.What time will it be 40 minutes after 10:50? (a) 11:20 (b) 10:30 (c) 11:30 (d) 12:30
  33. 33.A film starts at 5:00 and ends at 6:45. How long is the film? (a) 1 h 45 min (b) 45 min (c) 2 h 45 min (d) 1 h 55 min
  34. 34.A film starts at 1:55 and ends at 3:50. How long is the film? (a) 2 h 5 min (b) 55 min (c) 2 h 55 min (d) 1 h 55 min
  35. 35.A film starts at 6:35 and ends at 8:45. How long is the film? (a) 2 h 10 min (b) 1 h 10 min (c) 2 h 20 min (d) 3 h 10 min
  36. 36.What time will it be 20 minutes after 1:55? (a) 2:05 (b) 1:15 (c) 2:15 (d) 3:15
  37. 37.A film starts at 8:05 and ends at 8:50. How long is the film? (a) 35 min (b) 1 h 45 min (c) 45 min (d) 55 min
  38. 38.What time was it 20 minutes before 10:25? (a) 11:05 (b) 9:05 (c) 10:05 (d) 10:15
  39. 39.A film starts at 5:35 and ends at 6:55. How long is the film? (a) 1 h 30 min (b) 20 min (c) 1 h 20 min (d) 2 h 20 min
  40. 40.A film starts at 5:00 and ends at 5:35. How long is the film? (a) 35 min (b) 45 min (c) 1 h 35 min (d) 25 min

Answer key

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

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