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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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