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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 480 · 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 15 minutes after 2:00? (a) 2:15 (b) 3:15 (c) 2:05 (d) 1:15
  2. 2.What time was it 25 minutes before 8:05? (a) 8:40 (b) 7:40 (c) 7:50 (d) 6:40
  3. 3.What time will it be 45 minutes after 10:50? (a) 11:35 (b) 12:35 (c) 11:25 (d) 10:35
  4. 4.What time was it 20 minutes before 11:25? (a) 11:15 (b) 11:05 (c) 10:05 (d) 12:05
  5. 5.What time will it be 15 minutes after 8:35? (a) 8:40 (b) 8:50 (c) 9:50 (d) 7:50
  6. 6.A film starts at 8:10 and ends at 10:10. How long is the film? (a) 2 h 10 min (b) 2 h (c) 3 h (d) 1 h
  7. 7.What time will it be 15 minutes after 10:05? (a) 11:20 (b) 10:10 (c) 10:20 (d) 9:20
  8. 8.What time was it 20 minutes before 8:20? (a) 8:00 (b) 9:00 (c) 7:00 (d) 8:10
  9. 9.A film starts at 6:45 and ends at 9:30. How long is the film? (a) 3 h 45 min (b) 2 h 45 min (c) 2 h 55 min (d) 1 h 45 min
  10. 10.A film starts at 1:40 and ends at 3:40. How long is the film? (a) 3 h (b) 2 h 10 min (c) 2 h (d) 1 h
  11. 11.A film starts at 8:05 and ends at 10:45. How long is the film? (a) 2 h 50 min (b) 2 h 40 min (c) 3 h 40 min (d) 1 h 40 min
  12. 12.What time will it be 15 minutes after 9:50? (a) 11:05 (b) 9:55 (c) 10:05 (d) 9:05
  13. 13.A film starts at 4:50 and ends at 6:40. How long is the film? (a) 50 min (b) 2 h 50 min (c) 1 h 50 min (d) 2 h
  14. 14.A film starts at 6:05 and ends at 8:45. How long is the film? (a) 2 h 40 min (b) 1 h 40 min (c) 3 h 40 min (d) 2 h 50 min
  15. 15.A film starts at 2:05 and ends at 4:30. How long is the film? (a) 2 h 25 min (b) 3 h 25 min (c) 1 h 25 min (d) 2 h 35 min
  16. 16.What time was it 45 minutes before 9:45? (a) 9:10 (b) 10:00 (c) 9:00 (d) 8:00
  17. 17.A film starts at 8:40 and ends at 10:25. How long is the film? (a) 2 h 45 min (b) 1 h 55 min (c) 1 h 45 min (d) 45 min
  18. 18.What time will it be 15 minutes after 3:55? (a) 3:10 (b) 4:00 (c) 4:10 (d) 5:10
  19. 19.What time was it 20 minutes before 4:40? (a) 5:20 (b) 3:20 (c) 4:30 (d) 4:20
  20. 20.What time will it be 15 minutes after 1:55? (a) 1:10 (b) 2:10 (c) 3:10 (d) 2:00
  21. 21.What time was it 35 minutes before 7:10? (a) 6:45 (b) 6:35 (c) 5:35 (d) 7:35
  22. 22.What time was it 50 minutes before 3:05? (a) 3:15 (b) 2:15 (c) 2:25 (d) 1:15
  23. 23.What time was it 30 minutes before 10:25? (a) 9:55 (b) 10:05 (c) 8:55 (d) 10:55
  24. 24.What time was it 55 minutes before 9:20? (a) 8:25 (b) 9:25 (c) 8:35 (d) 7:25
  25. 25.What time will it be 15 minutes after 6:45? (a) 6:00 (b) 7:00 (c) 8:00 (d) 6:50
  26. 26.A film starts at 1:00 and ends at 2:55. How long is the film? (a) 1 h 55 min (b) 55 min (c) 2 h 55 min (d) 2 h 5 min
  27. 27.What time will it be 35 minutes after 7:05? (a) 6:40 (b) 7:30 (c) 8:40 (d) 7:40
  28. 28.A film starts at 6:15 and ends at 6:55. How long is the film? (a) 40 min (b) 30 min (c) 1 h 40 min (d) 50 min
  29. 29.What time was it 35 minutes before 9:10? (a) 8:45 (b) 7:35 (c) 9:35 (d) 8:35
  30. 30.A film starts at 4:40 and ends at 7:20. How long is the film? (a) 2 h 40 min (b) 1 h 40 min (c) 3 h 40 min (d) 2 h 50 min
  31. 31.A film starts at 3:15 and ends at 5:10. How long is the film? (a) 2 h 55 min (b) 1 h 55 min (c) 55 min (d) 2 h 5 min
  32. 32.What time will it be 25 minutes after 2:50? (a) 3:15 (b) 4:15 (c) 3:05 (d) 2:15
  33. 33.What time will it be 25 minutes after 5:25? (a) 6:50 (b) 5:40 (c) 5:50 (d) 4:50
  34. 34.What time will it be 50 minutes after 7:45? (a) 7:35 (b) 8:25 (c) 9:35 (d) 8:35
  35. 35.A film starts at 7:40 and ends at 9:40. How long is the film? (a) 1 h (b) 2 h (c) 2 h 10 min (d) 3 h
  36. 36.What time was it 20 minutes before 3:15? (a) 3:55 (b) 3:05 (c) 1:55 (d) 2:55
  37. 37.What time will it be 55 minutes after 3:05? (a) 5:00 (b) 3:50 (c) 4:00 (d) 3:00
  38. 38.What time will it be 55 minutes after 6:05? (a) 6:00 (b) 7:00 (c) 6:50 (d) 8:00
  39. 39.What time will it be 20 minutes after 3:10? (a) 3:20 (b) 4:30 (c) 2:30 (d) 3:30
  40. 40.What time was it 35 minutes before 4:45? (a) 3:10 (b) 4:20 (c) 4:10 (d) 5:10

Answer key

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

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