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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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