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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 426 · 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 25 minutes before 9:30? (a) 10:05 (b) 9:05 (c) 8:05 (d) 9:15
  2. 2.What time will it be 20 minutes after 4:30? (a) 4:40 (b) 4:50 (c) 5:50 (d) 3:50
  3. 3.A film starts at 2:55 and ends at 5:55. How long is the film? (a) 4 h (b) 3 h (c) 3 h 10 min (d) 2 h
  4. 4.A film starts at 6:35 and ends at 7:25. How long is the film? (a) 50 min (b) 40 min (c) 1 h (d) 1 h 50 min
  5. 5.What time will it be 40 minutes after 4:40? (a) 5:20 (b) 6:20 (c) 4:20 (d) 5:10
  6. 6.A film starts at 1:00 and ends at 1:35. How long is the film? (a) 1 h 35 min (b) 45 min (c) 35 min (d) 25 min
  7. 7.What time was it 45 minutes before 6:50? (a) 7:05 (b) 5:05 (c) 6:15 (d) 6:05
  8. 8.What time was it 20 minutes before 9:55? (a) 9:45 (b) 8:35 (c) 10:35 (d) 9:35
  9. 9.A film starts at 5:10 and ends at 7:40. How long is the film? (a) 2 h 30 min (b) 3 h 30 min (c) 1 h 30 min (d) 2 h 40 min
  10. 10.What time was it 55 minutes before 10:40? (a) 10:45 (b) 9:55 (c) 8:45 (d) 9:45
  11. 11.A film starts at 2:45 and ends at 4:10. How long is the film? (a) 2 h 25 min (b) 1 h 35 min (c) 1 h 25 min (d) 25 min
  12. 12.A film starts at 8:00 and ends at 9:15. How long is the film? (a) 2 h 15 min (b) 15 min (c) 1 h 25 min (d) 1 h 15 min
  13. 13.What time will it be 45 minutes after 9:10? (a) 8:55 (b) 10:55 (c) 9:45 (d) 9:55
  14. 14.A film starts at 7:20 and ends at 7:40. How long is the film? (a) 10 min (b) 1 h 20 min (c) 30 min (d) 20 min
  15. 15.What time was it 50 minutes before 9:00? (a) 8:10 (b) 8:20 (c) 7:10 (d) 9:10
  16. 16.What time was it 50 minutes before 3:10? (a) 1:20 (b) 2:30 (c) 3:20 (d) 2:20
  17. 17.A film starts at 1:15 and ends at 1:45. How long is the film? (a) 40 min (b) 20 min (c) 1 h 30 min (d) 30 min
  18. 18.What time was it 20 minutes before 4:05? (a) 3:55 (b) 4:45 (c) 2:45 (d) 3:45
  19. 19.What time will it be 30 minutes after 5:20? (a) 4:50 (b) 5:50 (c) 6:50 (d) 5:40
  20. 20.What time was it 40 minutes before 4:45? (a) 4:15 (b) 4:05 (c) 3:05 (d) 5:05
  21. 21.What time was it 20 minutes before 5:15? (a) 3:55 (b) 4:55 (c) 5:05 (d) 5:55
  22. 22.A film starts at 2:40 and ends at 3:20. How long is the film? (a) 50 min (b) 30 min (c) 1 h 40 min (d) 40 min
  23. 23.What time was it 40 minutes before 3:20? (a) 1:40 (b) 2:40 (c) 2:50 (d) 3:40
  24. 24.What time will it be 55 minutes after 10:05? (a) 10:00 (b) 12:00 (c) 10:50 (d) 11:00
  25. 25.What time was it 40 minutes before 2:30? (a) 1:40 (b) 2:50 (c) 2:00 (d) 1:50
  26. 26.A film starts at 7:40 and ends at 8:05. How long is the film? (a) 15 min (b) 25 min (c) 35 min (d) 1 h 25 min
  27. 27.What time was it 15 minutes before 9:05? (a) 7:50 (b) 9:50 (c) 9:00 (d) 8:50
  28. 28.What time will it be 45 minutes after 7:25? (a) 8:10 (b) 7:10 (c) 9:10 (d) 8:00
  29. 29.What time will it be 20 minutes after 3:55? (a) 5:15 (b) 4:05 (c) 4:15 (d) 3:15
  30. 30.What time will it be 20 minutes after 9:45? (a) 11:05 (b) 9:55 (c) 10:05 (d) 9:05
  31. 31.What time was it 20 minutes before 7:00? (a) 6:40 (b) 5:40 (c) 7:40 (d) 6:50
  32. 32.What time was it 20 minutes before 3:55? (a) 4:35 (b) 2:35 (c) 3:35 (d) 3:45
  33. 33.What time was it 55 minutes before 6:10? (a) 6:15 (b) 5:15 (c) 5:25 (d) 4:15
  34. 34.A film starts at 5:45 and ends at 6:10. How long is the film? (a) 15 min (b) 1 h 25 min (c) 35 min (d) 25 min
  35. 35.What time will it be 50 minutes after 1:05? (a) 1:45 (b) 2:55 (c) 1:55 (d) 2:05
  36. 36.What time will it be 35 minutes after 5:25? (a) 6:00 (b) 5:50 (c) 7:00 (d) 5:00
  37. 37.A film starts at 8:45 and ends at 10:55. How long is the film? (a) 2 h 10 min (b) 3 h 10 min (c) 2 h 20 min (d) 1 h 10 min
  38. 38.A film starts at 6:35 and ends at 7:45. How long is the film? (a) 1 h 10 min (b) 2 h 10 min (c) 1 h 20 min (d) 10 min
  39. 39.What time will it be 15 minutes after 8:05? (a) 9:20 (b) 8:20 (c) 8:10 (d) 7:20
  40. 40.A film starts at 5:50 and ends at 8:00. How long is the film? (a) 1 h 10 min (b) 2 h 20 min (c) 2 h 10 min (d) 3 h 10 min

Answer key

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

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