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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 515 · 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 20 minutes after 7:30? (a) 8:50 (b) 7:50 (c) 7:40 (d) 6:50
  2. 2.What time will it be 55 minutes after 5:15? (a) 5:10 (b) 7:10 (c) 6:00 (d) 6:10
  3. 3.A film starts at 1:50 and ends at 4:00. How long is the film? (a) 3 h 10 min (b) 2 h 20 min (c) 2 h 10 min (d) 1 h 10 min
  4. 4.What time will it be 20 minutes after 2:45? (a) 2:55 (b) 4:05 (c) 3:05 (d) 2:05
  5. 5.A film starts at 6:20 and ends at 8:45. How long is the film? (a) 3 h 25 min (b) 2 h 25 min (c) 1 h 25 min (d) 2 h 35 min
  6. 6.A film starts at 5:45 and ends at 6:30. How long is the film? (a) 1 h 45 min (b) 55 min (c) 35 min (d) 45 min
  7. 7.What time was it 45 minutes before 4:20? (a) 3:45 (b) 4:35 (c) 2:35 (d) 3:35
  8. 8.What time was it 50 minutes before 6:45? (a) 6:55 (b) 5:55 (c) 6:05 (d) 4:55
  9. 9.What time will it be 35 minutes after 4:35? (a) 6:10 (b) 4:10 (c) 5:10 (d) 5:00
  10. 10.What time was it 15 minutes before 11:10? (a) 11:55 (b) 11:05 (c) 9:55 (d) 10:55
  11. 11.What time was it 30 minutes before 6:20? (a) 4:50 (b) 5:50 (c) 6:50 (d) 6:00
  12. 12.A film starts at 5:10 and ends at 6:05. How long is the film? (a) 55 min (b) 45 min (c) 1 h 55 min (d) 1 h 5 min
  13. 13.A film starts at 2:10 and ends at 4:55. How long is the film? (a) 2 h 45 min (b) 2 h 55 min (c) 1 h 45 min (d) 3 h 45 min
  14. 14.What time will it be 20 minutes after 3:30? (a) 3:40 (b) 4:50 (c) 3:50 (d) 2:50
  15. 15.What time will it be 55 minutes after 7:40? (a) 7:35 (b) 9:35 (c) 8:35 (d) 8:25
  16. 16.What time was it 15 minutes before 5:10? (a) 5:55 (b) 4:55 (c) 3:55 (d) 5:05
  17. 17.What time was it 50 minutes before 11:25? (a) 9:35 (b) 10:45 (c) 11:35 (d) 10:35
  18. 18.What time was it 40 minutes before 7:20? (a) 6:40 (b) 6:50 (c) 7:40 (d) 5:40
  19. 19.What time will it be 35 minutes after 7:25? (a) 7:50 (b) 9:00 (c) 7:00 (d) 8:00
  20. 20.A film starts at 5:15 and ends at 7:30. How long is the film? (a) 3 h 15 min (b) 1 h 15 min (c) 2 h 15 min (d) 2 h 25 min
  21. 21.What time was it 25 minutes before 8:00? (a) 7:35 (b) 6:35 (c) 8:35 (d) 7:45
  22. 22.What time will it be 15 minutes after 3:20? (a) 4:35 (b) 2:35 (c) 3:35 (d) 3:25
  23. 23.What time was it 20 minutes before 9:00? (a) 8:40 (b) 8:50 (c) 9:40 (d) 7:40
  24. 24.What time was it 15 minutes before 6:45? (a) 7:30 (b) 6:40 (c) 5:30 (d) 6:30
  25. 25.A film starts at 3:35 and ends at 5:05. How long is the film? (a) 2 h 30 min (b) 30 min (c) 1 h 40 min (d) 1 h 30 min
  26. 26.A film starts at 3:15 and ends at 4:10. How long is the film? (a) 1 h 55 min (b) 55 min (c) 1 h 5 min (d) 45 min
  27. 27.A film starts at 2:35 and ends at 3:40. How long is the film? (a) 2 h 5 min (b) 1 h 15 min (c) 5 min (d) 1 h 5 min
  28. 28.What time was it 55 minutes before 10:35? (a) 10:40 (b) 8:40 (c) 9:40 (d) 9:50
  29. 29.A film starts at 4:25 and ends at 4:50. How long is the film? (a) 25 min (b) 1 h 25 min (c) 15 min (d) 35 min
  30. 30.What time was it 20 minutes before 3:10? (a) 3:00 (b) 2:50 (c) 3:50 (d) 1:50
  31. 31.A film starts at 2:45 and ends at 4:10. How long is the film? (a) 2 h 25 min (b) 25 min (c) 1 h 25 min (d) 1 h 35 min
  32. 32.A film starts at 5:15 and ends at 6:10. How long is the film? (a) 55 min (b) 1 h 55 min (c) 45 min (d) 1 h 5 min
  33. 33.What time will it be 50 minutes after 3:45? (a) 5:35 (b) 3:35 (c) 4:25 (d) 4:35
  34. 34.What time will it be 25 minutes after 1:45? (a) 1:10 (b) 3:10 (c) 2:00 (d) 2:10
  35. 35.What time was it 25 minutes before 3:30? (a) 2:05 (b) 4:05 (c) 3:05 (d) 3:15
  36. 36.What time was it 35 minutes before 7:35? (a) 8:00 (b) 6:00 (c) 7:00 (d) 7:10
  37. 37.A film starts at 1:05 and ends at 3:45. How long is the film? (a) 3 h 40 min (b) 2 h 50 min (c) 1 h 40 min (d) 2 h 40 min
  38. 38.What time will it be 15 minutes after 1:00? (a) 1:25 (b) 2:15 (c) 1:05 (d) 1:15
  39. 39.A film starts at 1:15 and ends at 1:40. How long is the film? (a) 25 min (b) 35 min (c) 1 h 25 min (d) 15 min
  40. 40.What time will it be 35 minutes after 7:05? (a) 7:30 (b) 8:40 (c) 7:40 (d) 6:40

Answer key

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

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