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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 63 · 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 will it be 55 minutes after 8:35? (a) 8:30 (b) 10:30 (c) 9:20 (d) 9:30
  2. 2.What time will it be 45 minutes after 6:20? (a) 7:05 (b) 6:05 (c) 8:05 (d) 6:55
  3. 3.A film starts at 4:55 and ends at 6:40. How long is the film? (a) 2 h 45 min (b) 45 min (c) 1 h 45 min (d) 1 h 55 min
  4. 4.A film starts at 2:30 and ends at 3:30. How long is the film? (a) 1 h (b) 1 h 10 min (c) 50 min (d) 2 h
  5. 5.What time was it 45 minutes before 9:10? (a) 9:25 (b) 8:35 (c) 8:25 (d) 7:25
  6. 6.What time will it be 55 minutes after 8:45? (a) 10:40 (b) 9:30 (c) 9:40 (d) 8:40
  7. 7.What time was it 25 minutes before 6:50? (a) 5:25 (b) 7:25 (c) 6:35 (d) 6:25
  8. 8.A film starts at 8:15 and ends at 8:45. How long is the film? (a) 40 min (b) 20 min (c) 1 h 30 min (d) 30 min
  9. 9.A film starts at 6:40 and ends at 7:35. How long is the film? (a) 1 h 5 min (b) 1 h 55 min (c) 55 min (d) 45 min
  10. 10.What time was it 50 minutes before 7:35? (a) 7:45 (b) 5:45 (c) 6:45 (d) 6:55
  11. 11.What time will it be 20 minutes after 5:35? (a) 5:45 (b) 5:55 (c) 4:55 (d) 6:55
  12. 12.A film starts at 3:35 and ends at 4:55. How long is the film? (a) 1 h 20 min (b) 20 min (c) 2 h 20 min (d) 1 h 30 min
  13. 13.A film starts at 5:05 and ends at 6:15. How long is the film? (a) 2 h 10 min (b) 10 min (c) 1 h 20 min (d) 1 h 10 min
  14. 14.What time was it 20 minutes before 2:00? (a) 1:50 (b) 2:40 (c) 1:30 (d) 1:40
  15. 15.What time will it be 55 minutes after 7:00? (a) 6:55 (b) 7:45 (c) 8:55 (d) 7:55
  16. 16.What time will it be 30 minutes after 2:45? (a) 2:15 (b) 3:05 (c) 4:15 (d) 3:15
  17. 17.What time will it be 15 minutes after 7:05? (a) 8:20 (b) 6:20 (c) 7:20 (d) 7:10
  18. 18.What time will it be 30 minutes after 5:50? (a) 7:20 (b) 6:10 (c) 6:20 (d) 5:20
  19. 19.What time was it 35 minutes before 4:05? (a) 3:40 (b) 2:30 (c) 4:30 (d) 3:30
  20. 20.What time will it be 25 minutes after 7:40? (a) 8:05 (b) 7:55 (c) 9:05 (d) 7:05
  21. 21.What time was it 45 minutes before 4:00? (a) 4:15 (b) 2:15 (c) 3:25 (d) 3:15
  22. 22.A film starts at 7:40 and ends at 8:35. How long is the film? (a) 45 min (b) 55 min (c) 1 h 5 min (d) 1 h 55 min
  23. 23.What time was it 20 minutes before 9:10? (a) 9:50 (b) 8:50 (c) 9:00 (d) 7:50
  24. 24.A film starts at 4:20 and ends at 5:30. How long is the film? (a) 1 h 20 min (b) 2 h 10 min (c) 10 min (d) 1 h 10 min
  25. 25.A film starts at 8:05 and ends at 8:35. How long is the film? (a) 1 h 30 min (b) 40 min (c) 20 min (d) 30 min
  26. 26.What time was it 55 minutes before 6:35? (a) 4:40 (b) 6:40 (c) 5:50 (d) 5:40
  27. 27.What time will it be 45 minutes after 7:25? (a) 7:10 (b) 8:10 (c) 9:10 (d) 8:00
  28. 28.What time will it be 55 minutes after 4:40? (a) 4:35 (b) 6:35 (c) 5:35 (d) 5:25
  29. 29.What time will it be 55 minutes after 6:55? (a) 7:50 (b) 6:50 (c) 7:40 (d) 8:50
  30. 30.A film starts at 1:05 and ends at 2:20. How long is the film? (a) 15 min (b) 1 h 25 min (c) 2 h 15 min (d) 1 h 15 min
  31. 31.A film starts at 5:15 and ends at 7:45. How long is the film? (a) 2 h 30 min (b) 2 h 40 min (c) 3 h 30 min (d) 1 h 30 min
  32. 32.A film starts at 3:55 and ends at 4:25. How long is the film? (a) 1 h 30 min (b) 30 min (c) 40 min (d) 20 min
  33. 33.A film starts at 7:25 and ends at 9:45. How long is the film? (a) 1 h 20 min (b) 2 h 30 min (c) 2 h 20 min (d) 3 h 20 min
  34. 34.What time was it 50 minutes before 3:30? (a) 1:40 (b) 3:40 (c) 2:40 (d) 2:50
  35. 35.A film starts at 8:15 and ends at 11:00. How long is the film? (a) 1 h 45 min (b) 2 h 45 min (c) 3 h 45 min (d) 2 h 55 min
  36. 36.A film starts at 3:25 and ends at 4:10. How long is the film? (a) 1 h 45 min (b) 55 min (c) 45 min (d) 35 min
  37. 37.A film starts at 2:10 and ends at 2:35. How long is the film? (a) 25 min (b) 1 h 25 min (c) 35 min (d) 15 min
  38. 38.A film starts at 3:15 and ends at 3:45. How long is the film? (a) 30 min (b) 20 min (c) 40 min (d) 1 h 30 min
  39. 39.What time was it 20 minutes before 4:50? (a) 5:30 (b) 4:30 (c) 3:30 (d) 4:40
  40. 40.What time will it be 50 minutes after 8:35? (a) 8:25 (b) 10:25 (c) 9:15 (d) 9:25

Answer key

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

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