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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 390 · 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 3:25 and ends at 4:05. How long is the film? (a) 40 min (b) 30 min (c) 1 h 40 min (d) 50 min
  2. 2.What time was it 30 minutes before 5:40? (a) 5:20 (b) 4:10 (c) 5:10 (d) 6:10
  3. 3.What time will it be 20 minutes after 2:45? (a) 4:05 (b) 2:55 (c) 3:05 (d) 2:05
  4. 4.What time will it be 15 minutes after 1:55? (a) 2:10 (b) 1:10 (c) 2:00 (d) 3:10
  5. 5.What time was it 35 minutes before 11:45? (a) 11:20 (b) 12:10 (c) 11:10 (d) 10:10
  6. 6.What time will it be 20 minutes after 4:10? (a) 4:30 (b) 3:30 (c) 4:20 (d) 5:30
  7. 7.A film starts at 2:40 and ends at 4:30. How long is the film? (a) 50 min (b) 2 h 50 min (c) 1 h 50 min (d) 2 h
  8. 8.A film starts at 4:45 and ends at 7:00. How long is the film? (a) 2 h 25 min (b) 3 h 15 min (c) 2 h 15 min (d) 1 h 15 min
  9. 9.A film starts at 5:50 and ends at 6:45. How long is the film? (a) 55 min (b) 1 h 5 min (c) 1 h 55 min (d) 45 min
  10. 10.What time will it be 50 minutes after 6:10? (a) 6:00 (b) 6:50 (c) 7:00 (d) 8:00
  11. 11.What time was it 20 minutes before 4:55? (a) 3:35 (b) 4:45 (c) 5:35 (d) 4:35
  12. 12.What time will it be 55 minutes after 1:35? (a) 2:30 (b) 1:30 (c) 3:30 (d) 2:20
  13. 13.What time was it 45 minutes before 11:20? (a) 11:35 (b) 10:45 (c) 10:35 (d) 9:35
  14. 14.A film starts at 3:25 and ends at 5:35. 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
  15. 15.A film starts at 5:05 and ends at 6:45. How long is the film? (a) 2 h 40 min (b) 40 min (c) 1 h 40 min (d) 1 h 50 min
  16. 16.What time will it be 20 minutes after 7:15? (a) 7:35 (b) 7:25 (c) 8:35 (d) 6:35
  17. 17.What time was it 25 minutes before 10:15? (a) 8:50 (b) 10:50 (c) 10:00 (d) 9:50
  18. 18.What time was it 30 minutes before 3:55? (a) 3:35 (b) 4:25 (c) 3:25 (d) 2:25
  19. 19.What time was it 40 minutes before 5:10? (a) 5:30 (b) 3:30 (c) 4:30 (d) 4:40
  20. 20.A film starts at 7:55 and ends at 8:45. How long is the film? (a) 1 h (b) 1 h 50 min (c) 40 min (d) 50 min
  21. 21.What time will it be 35 minutes after 1:55? (a) 1:30 (b) 2:20 (c) 3:30 (d) 2:30
  22. 22.What time will it be 35 minutes after 6:10? (a) 7:45 (b) 6:45 (c) 5:45 (d) 6:35
  23. 23.What time will it be 40 minutes after 3:05? (a) 4:45 (b) 2:45 (c) 3:35 (d) 3:45
  24. 24.What time was it 45 minutes before 3:05? (a) 2:30 (b) 3:20 (c) 1:20 (d) 2:20
  25. 25.A film starts at 5:00 and ends at 6:25. How long is the film? (a) 2 h 25 min (b) 25 min (c) 1 h 25 min (d) 1 h 35 min
  26. 26.A film starts at 6:25 and ends at 7:40. How long is the film? (a) 2 h 15 min (b) 15 min (c) 1 h 25 min (d) 1 h 15 min
  27. 27.A film starts at 5:25 and ends at 8:25. How long is the film? (a) 3 h (b) 2 h (c) 4 h (d) 3 h 10 min
  28. 28.What time will it be 35 minutes after 8:05? (a) 8:30 (b) 8:40 (c) 7:40 (d) 9:40
  29. 29.What time was it 15 minutes before 2:00? (a) 1:55 (b) 1:45 (c) 2:45 (d) 1:35
  30. 30.What time will it be 20 minutes after 10:30? (a) 9:50 (b) 10:40 (c) 11:50 (d) 10:50
  31. 31.What time will it be 40 minutes after 4:50? (a) 6:30 (b) 5:30 (c) 5:20 (d) 4:30
  32. 32.What time will it be 40 minutes after 9:00? (a) 8:40 (b) 9:40 (c) 9:30 (d) 10:40
  33. 33.What time will it be 50 minutes after 1:50? (a) 3:40 (b) 1:40 (c) 2:30 (d) 2:40
  34. 34.What time will it be 35 minutes after 9:45? (a) 10:10 (b) 11:20 (c) 10:20 (d) 9:20
  35. 35.What time was it 20 minutes before 4:15? (a) 4:05 (b) 2:55 (c) 3:55 (d) 4:55
  36. 36.What time was it 30 minutes before 4:05? (a) 3:35 (b) 2:35 (c) 4:35 (d) 3:45
  37. 37.What time was it 35 minutes before 7:40? (a) 7:15 (b) 6:05 (c) 8:05 (d) 7:05
  38. 38.A film starts at 1:05 and ends at 1:55. How long is the film? (a) 50 min (b) 1 h (c) 40 min (d) 1 h 50 min
  39. 39.What time will it be 25 minutes after 10:50? (a) 12:15 (b) 10:15 (c) 11:15 (d) 11:05
  40. 40.A film starts at 7:05 and ends at 7:25. How long is the film? (a) 30 min (b) 10 min (c) 1 h 20 min (d) 20 min

Answer key

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

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