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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 509 · 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 2:50? (a) 2:45 (b) 3:35 (c) 4:45 (d) 3:45
  2. 2.What time was it 20 minutes before 2:15? (a) 1:45 (b) 2:05 (c) 1:55 (d) 2:55
  3. 3.What time will it be 25 minutes after 6:10? (a) 6:25 (b) 7:35 (c) 6:35 (d) 5:35
  4. 4.What time will it be 45 minutes after 3:05? (a) 3:50 (b) 4:50 (c) 3:40 (d) 2:50
  5. 5.What time will it be 30 minutes after 9:55? (a) 10:15 (b) 11:25 (c) 10:25 (d) 9:25
  6. 6.A film starts at 4:05 and ends at 5:45. How long is the film? (a) 1 h 50 min (b) 2 h 40 min (c) 1 h 40 min (d) 40 min
  7. 7.A film starts at 6:30 and ends at 9:30. How long is the film? (a) 3 h 10 min (b) 2 h (c) 3 h (d) 4 h
  8. 8.What time will it be 20 minutes after 8:25? (a) 8:45 (b) 9:45 (c) 8:35 (d) 7:45
  9. 9.What time will it be 50 minutes after 5:00? (a) 4:50 (b) 5:40 (c) 6:50 (d) 5:50
  10. 10.A film starts at 2:15 and ends at 3:30. How long is the film? (a) 1 h 15 min (b) 15 min (c) 2 h 15 min (d) 1 h 25 min
  11. 11.What time was it 55 minutes before 8:55? (a) 9:00 (b) 7:00 (c) 8:10 (d) 8:00
  12. 12.What time will it be 55 minutes after 1:55? (a) 1:50 (b) 2:40 (c) 2:50 (d) 3:50
  13. 13.What time was it 35 minutes before 9:35? (a) 8:00 (b) 9:10 (c) 9:00 (d) 10:00
  14. 14.What time will it be 35 minutes after 7:15? (a) 7:40 (b) 8:50 (c) 6:50 (d) 7:50
  15. 15.What time was it 40 minutes before 11:45? (a) 12:05 (b) 11:15 (c) 11:05 (d) 10:05
  16. 16.A film starts at 3:05 and ends at 5:25. How long is the film? (a) 1 h 20 min (b) 3 h 20 min (c) 2 h 30 min (d) 2 h 20 min
  17. 17.What time will it be 55 minutes after 10:55? (a) 11:50 (b) 10:50 (c) 12:50 (d) 11:40
  18. 18.What time was it 45 minutes before 9:50? (a) 10:05 (b) 9:15 (c) 8:05 (d) 9:05
  19. 19.What time was it 30 minutes before 9:40? (a) 9:10 (b) 9:20 (c) 8:10 (d) 10:10
  20. 20.What time was it 40 minutes before 2:25? (a) 2:45 (b) 1:45 (c) 1:35 (d) 1:55
  21. 21.What time was it 20 minutes before 3:50? (a) 2:30 (b) 3:30 (c) 3:40 (d) 4:30
  22. 22.What time was it 45 minutes before 4:10? (a) 3:35 (b) 3:25 (c) 2:25 (d) 4:25
  23. 23.What time was it 25 minutes before 4:35? (a) 3:10 (b) 4:10 (c) 5:10 (d) 4:20
  24. 24.What time was it 50 minutes before 10:00? (a) 10:10 (b) 9:10 (c) 8:10 (d) 9:20
  25. 25.What time was it 45 minutes before 6:40? (a) 4:55 (b) 6:05 (c) 5:55 (d) 6:55
  26. 26.A film starts at 4:15 and ends at 6:55. How long is the film? (a) 1 h 40 min (b) 2 h 50 min (c) 3 h 40 min (d) 2 h 40 min
  27. 27.A film starts at 7:55 and ends at 8:20. How long is the film? (a) 1 h 25 min (b) 25 min (c) 15 min (d) 35 min
  28. 28.What time will it be 15 minutes after 8:50? (a) 10:05 (b) 8:05 (c) 8:55 (d) 9:05
  29. 29.What time will it be 50 minutes after 9:40? (a) 11:30 (b) 10:30 (c) 9:30 (d) 10:20
  30. 30.A film starts at 5:10 and ends at 6:20. How long is the film? (a) 1 h 20 min (b) 1 h 10 min (c) 10 min (d) 2 h 10 min
  31. 31.A film starts at 8:10 and ends at 8:30. How long is the film? (a) 1 h 20 min (b) 30 min (c) 10 min (d) 20 min
  32. 32.What time will it be 20 minutes after 10:40? (a) 11:00 (b) 12:00 (c) 10:50 (d) 10:00
  33. 33.A film starts at 1:35 and ends at 2:20. How long is the film? (a) 55 min (b) 1 h 45 min (c) 45 min (d) 35 min
  34. 34.A film starts at 3:05 and ends at 4:35. How long is the film? (a) 30 min (b) 2 h 30 min (c) 1 h 40 min (d) 1 h 30 min
  35. 35.What time was it 15 minutes before 7:10? (a) 6:55 (b) 7:05 (c) 7:55 (d) 5:55
  36. 36.A film starts at 4:25 and ends at 7:05. 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
  37. 37.A film starts at 3:05 and ends at 3:50. How long is the film? (a) 1 h 45 min (b) 55 min (c) 35 min (d) 45 min
  38. 38.What time will it be 40 minutes after 3:00? (a) 3:30 (b) 3:40 (c) 2:40 (d) 4:40
  39. 39.A film starts at 7:45 and ends at 9:10. How long is the film? (a) 1 h 35 min (b) 2 h 25 min (c) 25 min (d) 1 h 25 min
  40. 40.What time will it be 20 minutes after 6:45? (a) 7:05 (b) 8:05 (c) 6:05 (d) 6:55

Answer key

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

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