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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 175 · 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.A film starts at 8:40 and ends at 9:00. How long is the film? (a) 10 min (b) 30 min (c) 20 min (d) 1 h 20 min
  2. 2.What time was it 45 minutes before 9:00? (a) 8:15 (b) 8:25 (c) 7:15 (d) 9:15
  3. 3.What time will it be 55 minutes after 1:50? (a) 3:45 (b) 2:45 (c) 1:45 (d) 2:35
  4. 4.What time will it be 55 minutes after 10:05? (a) 10:00 (b) 11:00 (c) 12:00 (d) 10:50
  5. 5.What time was it 25 minutes before 8:20? (a) 7:55 (b) 8:05 (c) 6:55 (d) 8:55
  6. 6.What time was it 55 minutes before 6:15? (a) 5:20 (b) 6:20 (c) 4:20 (d) 5:30
  7. 7.What time was it 55 minutes before 9:45? (a) 9:00 (b) 9:50 (c) 8:50 (d) 7:50
  8. 8.What time will it be 45 minutes after 5:20? (a) 5:55 (b) 7:05 (c) 5:05 (d) 6:05
  9. 9.What time will it be 55 minutes after 10:35? (a) 11:30 (b) 12:30 (c) 10:30 (d) 11:20
  10. 10.A film starts at 2:35 and ends at 5:00. How long is the film? (a) 3 h 25 min (b) 1 h 25 min (c) 2 h 35 min (d) 2 h 25 min
  11. 11.What time was it 15 minutes before 3:20? (a) 4:05 (b) 3:05 (c) 2:05 (d) 3:15
  12. 12.What time will it be 25 minutes after 4:25? (a) 4:40 (b) 5:50 (c) 4:50 (d) 3:50
  13. 13.A film starts at 6:05 and ends at 7:25. How long is the film? (a) 1 h 20 min (b) 1 h 30 min (c) 20 min (d) 2 h 20 min
  14. 14.What time was it 25 minutes before 9:15? (a) 9:00 (b) 8:50 (c) 9:50 (d) 7:50
  15. 15.What time will it be 25 minutes after 1:30? (a) 1:45 (b) 2:05 (c) 2:55 (d) 1:55
  16. 16.What time was it 45 minutes before 3:00? (a) 2:25 (b) 1:15 (c) 3:15 (d) 2:15
  17. 17.What time was it 30 minutes before 9:20? (a) 9:50 (b) 7:50 (c) 8:50 (d) 9:00
  18. 18.What time will it be 55 minutes after 9:55? (a) 10:40 (b) 10:50 (c) 11:50 (d) 9:50
  19. 19.What time was it 45 minutes before 8:35? (a) 8:50 (b) 8:00 (c) 7:50 (d) 6:50
  20. 20.A film starts at 5:30 and ends at 8:25. How long is the film? (a) 1 h 55 min (b) 2 h 55 min (c) 3 h 5 min (d) 3 h 55 min
  21. 21.A film starts at 8:45 and ends at 9:20. How long is the film? (a) 35 min (b) 1 h 35 min (c) 25 min (d) 45 min
  22. 22.What time will it be 35 minutes after 1:55? (a) 2:20 (b) 2:30 (c) 1:30 (d) 3:30
  23. 23.A film starts at 2:45 and ends at 3:10. How long is the film? (a) 1 h 25 min (b) 35 min (c) 15 min (d) 25 min
  24. 24.A film starts at 3:50 and ends at 6:10. How long is the film? (a) 3 h 20 min (b) 2 h 30 min (c) 1 h 20 min (d) 2 h 20 min
  25. 25.A film starts at 1:05 and ends at 3:55. How long is the film? (a) 1 h 50 min (b) 3 h (c) 3 h 50 min (d) 2 h 50 min
  26. 26.A film starts at 1:10 and ends at 4:00. How long is the film? (a) 1 h 50 min (b) 2 h 50 min (c) 3 h 50 min (d) 3 h
  27. 27.A film starts at 6:20 and ends at 8:45. How long is the film? (a) 3 h 25 min (b) 2 h 35 min (c) 2 h 25 min (d) 1 h 25 min
  28. 28.A film starts at 1:50 and ends at 3:20. How long is the film? (a) 30 min (b) 2 h 30 min (c) 1 h 30 min (d) 1 h 40 min
  29. 29.A film starts at 5:55 and ends at 8:40. How long is the film? (a) 2 h 55 min (b) 3 h 45 min (c) 2 h 45 min (d) 1 h 45 min
  30. 30.What time will it be 40 minutes after 8:40? (a) 9:20 (b) 10:20 (c) 9:10 (d) 8:20
  31. 31.What time will it be 55 minutes after 3:05? (a) 3:00 (b) 5:00 (c) 4:00 (d) 3:50
  32. 32.What time will it be 40 minutes after 5:00? (a) 4:40 (b) 6:40 (c) 5:40 (d) 5:30
  33. 33.A film starts at 2:55 and ends at 4:50. How long is the film? (a) 1 h 55 min (b) 55 min (c) 2 h 55 min (d) 2 h 5 min
  34. 34.What time will it be 30 minutes after 5:15? (a) 4:45 (b) 5:45 (c) 5:35 (d) 6:45
  35. 35.What time will it be 20 minutes after 4:45? (a) 6:05 (b) 5:05 (c) 4:05 (d) 4:55
  36. 36.A film starts at 2:15 and ends at 2:40. How long is the film? (a) 35 min (b) 15 min (c) 1 h 25 min (d) 25 min
  37. 37.What time was it 15 minutes before 2:50? (a) 3:35 (b) 2:45 (c) 2:35 (d) 1:35
  38. 38.What time was it 50 minutes before 10:10? (a) 9:20 (b) 10:20 (c) 9:30 (d) 8:20
  39. 39.What time was it 55 minutes before 9:20? (a) 7:25 (b) 8:25 (c) 8:35 (d) 9:25
  40. 40.What time will it be 25 minutes after 9:50? (a) 10:15 (b) 10:05 (c) 11:15 (d) 9:15

Answer key

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

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