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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 507 · 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 3:05 and ends at 3:35. How long is the film? (a) 1 h 30 min (b) 30 min (c) 20 min (d) 40 min
  2. 2.A film starts at 1:20 and ends at 4:05. How long is the film? (a) 3 h 45 min (b) 1 h 45 min (c) 2 h 45 min (d) 2 h 55 min
  3. 3.What time will it be 45 minutes after 9:15? (a) 11:00 (b) 9:00 (c) 9:50 (d) 10:00
  4. 4.A film starts at 2:00 and ends at 3:50. How long is the film? (a) 2 h (b) 50 min (c) 1 h 50 min (d) 2 h 50 min
  5. 5.What time will it be 55 minutes after 3:50? (a) 4:35 (b) 4:45 (c) 5:45 (d) 3:45
  6. 6.What time will it be 50 minutes after 9:25? (a) 9:15 (b) 10:05 (c) 11:15 (d) 10:15
  7. 7.A film starts at 5:10 and ends at 7:20. How long is the film? (a) 1 h 10 min (b) 2 h 20 min (c) 3 h 10 min (d) 2 h 10 min
  8. 8.What time will it be 30 minutes after 2:25? (a) 2:55 (b) 3:55 (c) 1:55 (d) 2:45
  9. 9.What time will it be 20 minutes after 8:45? (a) 8:05 (b) 10:05 (c) 8:55 (d) 9:05
  10. 10.What time was it 55 minutes before 5:40? (a) 4:55 (b) 4:45 (c) 5:45 (d) 3:45
  11. 11.What time was it 30 minutes before 4:05? (a) 4:35 (b) 3:35 (c) 3:45 (d) 2:35
  12. 12.What time was it 15 minutes before 11:50? (a) 12:35 (b) 10:35 (c) 11:45 (d) 11:35
  13. 13.What time was it 15 minutes before 10:40? (a) 10:25 (b) 10:35 (c) 9:25 (d) 11:25
  14. 14.What time will it be 45 minutes after 7:20? (a) 7:55 (b) 9:05 (c) 8:05 (d) 7:05
  15. 15.A film starts at 3:25 and ends at 6:20. How long is the film? (a) 3 h 55 min (b) 2 h 55 min (c) 1 h 55 min (d) 3 h 5 min
  16. 16.A film starts at 6:55 and ends at 8:25. How long is the film? (a) 30 min (b) 1 h 30 min (c) 2 h 30 min (d) 1 h 40 min
  17. 17.What time was it 50 minutes before 2:20? (a) 1:40 (b) 1:30 (c) 2:30 (d) 1:20
  18. 18.What time was it 35 minutes before 11:10? (a) 11:35 (b) 9:35 (c) 10:45 (d) 10:35
  19. 19.What time was it 20 minutes before 10:05? (a) 8:45 (b) 10:45 (c) 9:55 (d) 9:45
  20. 20.A film starts at 1:40 and ends at 3:20. How long is the film? (a) 2 h 40 min (b) 1 h 50 min (c) 40 min (d) 1 h 40 min
  21. 21.What time was it 40 minutes before 2:35? (a) 2:05 (b) 1:45 (c) 2:55 (d) 1:55
  22. 22.What time was it 25 minutes before 10:05? (a) 10:40 (b) 9:50 (c) 9:40 (d) 8:40
  23. 23.What time will it be 55 minutes after 3:40? (a) 4:35 (b) 5:35 (c) 3:35 (d) 4:25
  24. 24.A film starts at 2:05 and ends at 2:30. How long is the film? (a) 35 min (b) 1 h 25 min (c) 25 min (d) 15 min
  25. 25.What time was it 55 minutes before 6:25? (a) 6:30 (b) 5:30 (c) 4:30 (d) 5:40
  26. 26.A film starts at 3:30 and ends at 5:00. How long is the film? (a) 30 min (b) 2 h 30 min (c) 1 h 30 min (d) 1 h 40 min
  27. 27.What time was it 30 minutes before 5:35? (a) 4:05 (b) 5:15 (c) 6:05 (d) 5:05
  28. 28.What time will it be 55 minutes after 4:15? (a) 4:10 (b) 5:10 (c) 5:00 (d) 6:10
  29. 29.What time will it be 25 minutes after 3:35? (a) 3:50 (b) 4:00 (c) 3:00 (d) 5:00
  30. 30.What time was it 35 minutes before 11:25? (a) 11:50 (b) 9:50 (c) 11:00 (d) 10:50
  31. 31.What time will it be 20 minutes after 7:05? (a) 8:25 (b) 6:25 (c) 7:25 (d) 7:15
  32. 32.What time was it 20 minutes before 9:05? (a) 9:45 (b) 7:45 (c) 8:55 (d) 8:45
  33. 33.What time was it 35 minutes before 8:40? (a) 9:05 (b) 7:05 (c) 8:15 (d) 8:05
  34. 34.What time will it be 30 minutes after 10:20? (a) 11:50 (b) 10:40 (c) 9:50 (d) 10:50
  35. 35.What time was it 20 minutes before 4:50? (a) 5:30 (b) 4:30 (c) 4:40 (d) 3:30
  36. 36.A film starts at 8:55 and ends at 10:40. How long is the film? (a) 1 h 45 min (b) 2 h 45 min (c) 45 min (d) 1 h 55 min
  37. 37.What time was it 55 minutes before 2:45? (a) 2:00 (b) 1:40 (c) 1:50 (d) 2:50
  38. 38.What time was it 55 minutes before 10:15? (a) 10:20 (b) 9:20 (c) 8:20 (d) 9:30
  39. 39.A film starts at 1:35 and ends at 3:25. How long is the film? (a) 50 min (b) 2 h 50 min (c) 2 h (d) 1 h 50 min
  40. 40.A film starts at 4:00 and ends at 6:40. How long is the film? (a) 3 h 40 min (b) 1 h 40 min (c) 2 h 50 min (d) 2 h 40 min

Answer key

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

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