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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 279 · 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 was it 45 minutes before 3:05? (a) 2:30 (b) 2:20 (c) 3:20 (d) 1:20
  2. 2.What time was it 20 minutes before 8:10? (a) 8:50 (b) 8:00 (c) 7:50 (d) 6:50
  3. 3.A film starts at 8:55 and ends at 11:35. How long is the film? (a) 3 h 40 min (b) 1 h 40 min (c) 2 h 40 min (d) 2 h 50 min
  4. 4.What time was it 15 minutes before 4:20? (a) 3:05 (b) 5:05 (c) 4:15 (d) 4:05
  5. 5.What time will it be 55 minutes after 1:45? (a) 3:40 (b) 1:40 (c) 2:40 (d) 2:30
  6. 6.A film starts at 2:40 and ends at 4:45. How long is the film? (a) 3 h 5 min (b) 2 h 15 min (c) 1 h 5 min (d) 2 h 5 min
  7. 7.What time was it 45 minutes before 4:55? (a) 5:10 (b) 3:10 (c) 4:20 (d) 4:10
  8. 8.A film starts at 4:55 and ends at 5:15. How long is the film? (a) 10 min (b) 1 h 20 min (c) 30 min (d) 20 min
  9. 9.What time will it be 20 minutes after 2:15? (a) 3:35 (b) 2:35 (c) 2:25 (d) 1:35
  10. 10.What time will it be 35 minutes after 6:10? (a) 7:45 (b) 6:35 (c) 6:45 (d) 5:45
  11. 11.What time will it be 20 minutes after 10:05? (a) 11:25 (b) 10:15 (c) 9:25 (d) 10:25
  12. 12.What time was it 15 minutes before 8:45? (a) 8:30 (b) 7:30 (c) 8:40 (d) 9:30
  13. 13.A film starts at 3:15 and ends at 5:50. How long is the film? (a) 1 h 35 min (b) 2 h 45 min (c) 2 h 35 min (d) 3 h 35 min
  14. 14.A film starts at 6:40 and ends at 8:15. How long is the film? (a) 1 h 35 min (b) 2 h 35 min (c) 35 min (d) 1 h 45 min
  15. 15.A film starts at 8:55 and ends at 11:50. How long is the film? (a) 3 h 5 min (b) 1 h 55 min (c) 3 h 55 min (d) 2 h 55 min
  16. 16.What time was it 35 minutes before 11:15? (a) 10:40 (b) 10:50 (c) 11:40 (d) 9:40
  17. 17.What time will it be 35 minutes after 8:45? (a) 10:20 (b) 8:20 (c) 9:10 (d) 9:20
  18. 18.What time was it 50 minutes before 11:45? (a) 10:55 (b) 11:55 (c) 11:05 (d) 9:55
  19. 19.What time was it 25 minutes before 5:30? (a) 5:05 (b) 6:05 (c) 5:15 (d) 4:05
  20. 20.What time was it 50 minutes before 2:15? (a) 1:15 (b) 1:35 (c) 1:25 (d) 2:25
  21. 21.What time will it be 25 minutes after 5:50? (a) 6:05 (b) 5:15 (c) 7:15 (d) 6:15
  22. 22.What time was it 45 minutes before 10:50? (a) 11:05 (b) 10:15 (c) 9:05 (d) 10:05
  23. 23.What time was it 25 minutes before 10:05? (a) 9:40 (b) 9:50 (c) 10:40 (d) 8:40
  24. 24.A film starts at 2:05 and ends at 2:45. How long is the film? (a) 30 min (b) 50 min (c) 1 h 40 min (d) 40 min
  25. 25.What time was it 50 minutes before 5:45? (a) 5:05 (b) 4:55 (c) 5:55 (d) 3:55
  26. 26.What time was it 20 minutes before 2:05? (a) 1:45 (b) 1:55 (c) 2:45 (d) 1:35
  27. 27.What time will it be 50 minutes after 2:55? (a) 2:45 (b) 3:45 (c) 4:45 (d) 3:35
  28. 28.What time was it 25 minutes before 8:50? (a) 8:35 (b) 7:25 (c) 8:25 (d) 9:25
  29. 29.A film starts at 8:50 and ends at 9:25. How long is the film? (a) 45 min (b) 1 h 35 min (c) 35 min (d) 25 min
  30. 30.A film starts at 2:55 and ends at 3:20. How long is the film? (a) 25 min (b) 1 h 25 min (c) 35 min (d) 15 min
  31. 31.What time will it be 30 minutes after 5:50? (a) 6:20 (b) 7:20 (c) 5:20 (d) 6:10
  32. 32.A film starts at 1:40 and ends at 2:45. How long is the film? (a) 5 min (b) 1 h 5 min (c) 1 h 15 min (d) 2 h 5 min
  33. 33.What time will it be 35 minutes after 7:15? (a) 7:40 (b) 6:50 (c) 7:50 (d) 8:50
  34. 34.A film starts at 6:50 and ends at 8:30. How long is the film? (a) 1 h 50 min (b) 2 h 40 min (c) 40 min (d) 1 h 40 min
  35. 35.A film starts at 4:35 and ends at 6:30. How long is the film? (a) 2 h 5 min (b) 55 min (c) 2 h 55 min (d) 1 h 55 min
  36. 36.What time was it 35 minutes before 4:55? (a) 4:20 (b) 5:20 (c) 4:30 (d) 3:20
  37. 37.What time was it 25 minutes before 11:45? (a) 11:30 (b) 11:20 (c) 10:20 (d) 12:20
  38. 38.A film starts at 7:50 and ends at 9:50. How long is the film? (a) 1 h (b) 2 h (c) 2 h 10 min (d) 3 h
  39. 39.What time will it be 50 minutes after 10:35? (a) 10:25 (b) 12:25 (c) 11:15 (d) 11:25
  40. 40.What time will it be 15 minutes after 5:05? (a) 4:20 (b) 5:20 (c) 6:20 (d) 5:10

Answer key

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

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