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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 108 · 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 1:35 and ends at 3:05. How long is the film? (a) 30 min (b) 2 h 30 min (c) 1 h 40 min (d) 1 h 30 min
  2. 2.What time was it 55 minutes before 11:05? (a) 10:10 (b) 11:10 (c) 9:10 (d) 10:20
  3. 3.What time was it 15 minutes before 3:50? (a) 2:35 (b) 3:45 (c) 4:35 (d) 3:35
  4. 4.What time will it be 15 minutes after 10:55? (a) 10:10 (b) 11:10 (c) 12:10 (d) 11:00
  5. 5.What time will it be 30 minutes after 5:30? (a) 5:00 (b) 7:00 (c) 5:50 (d) 6:00
  6. 6.What time will it be 45 minutes after 10:55? (a) 11:40 (b) 12:40 (c) 10:40 (d) 11:30
  7. 7.What time will it be 35 minutes after 5:10? (a) 4:45 (b) 5:45 (c) 5:35 (d) 6:45
  8. 8.What time was it 50 minutes before 8:45? (a) 6:55 (b) 8:55 (c) 8:05 (d) 7:55
  9. 9.What time will it be 45 minutes after 3:30? (a) 4:05 (b) 4:15 (c) 5:15 (d) 3:15
  10. 10.What time was it 40 minutes before 3:15? (a) 1:35 (b) 3:35 (c) 2:45 (d) 2:35
  11. 11.What time will it be 15 minutes after 2:35? (a) 2:50 (b) 1:50 (c) 2:40 (d) 3:50
  12. 12.What time was it 25 minutes before 8:30? (a) 8:15 (b) 7:05 (c) 9:05 (d) 8:05
  13. 13.What time will it be 30 minutes after 7:40? (a) 7:10 (b) 9:10 (c) 8:00 (d) 8:10
  14. 14.What time will it be 45 minutes after 1:20? (a) 1:05 (b) 2:05 (c) 1:55 (d) 3:05
  15. 15.What time was it 30 minutes before 5:30? (a) 5:10 (b) 6:00 (c) 5:00 (d) 4:00
  16. 16.A film starts at 1:35 and ends at 3:50. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 3 h 15 min (d) 2 h 25 min
  17. 17.What time was it 15 minutes before 7:00? (a) 7:45 (b) 6:45 (c) 5:45 (d) 6:55
  18. 18.What time will it be 35 minutes after 2:15? (a) 2:40 (b) 3:50 (c) 1:50 (d) 2:50
  19. 19.A film starts at 3:25 and ends at 5:40. How long is the film? (a) 1 h 15 min (b) 2 h 15 min (c) 2 h 25 min (d) 3 h 15 min
  20. 20.What time was it 25 minutes before 2:05? (a) 1:40 (b) 1:30 (c) 1:50 (d) 2:40
  21. 21.What time will it be 35 minutes after 9:40? (a) 10:05 (b) 9:15 (c) 10:15 (d) 11:15
  22. 22.What time was it 25 minutes before 6:45? (a) 6:20 (b) 7:20 (c) 5:20 (d) 6:30
  23. 23.A film starts at 3:10 and ends at 4:20. How long is the film? (a) 1 h 10 min (b) 2 h 10 min (c) 10 min (d) 1 h 20 min
  24. 24.What time will it be 30 minutes after 7:20? (a) 8:50 (b) 6:50 (c) 7:50 (d) 7:40
  25. 25.What time will it be 40 minutes after 4:35? (a) 6:15 (b) 4:15 (c) 5:05 (d) 5:15
  26. 26.A film starts at 2:10 and ends at 4:45. How long is the film? (a) 2 h 45 min (b) 1 h 35 min (c) 2 h 35 min (d) 3 h 35 min
  27. 27.What time will it be 55 minutes after 2:00? (a) 2:55 (b) 1:55 (c) 2:45 (d) 3:55
  28. 28.A film starts at 2:25 and ends at 5:20. How long is the film? (a) 2 h 55 min (b) 1 h 55 min (c) 3 h 5 min (d) 3 h 55 min
  29. 29.What time will it be 25 minutes after 2:25? (a) 2:50 (b) 2:40 (c) 3:50 (d) 1:50
  30. 30.What time will it be 20 minutes after 7:30? (a) 6:50 (b) 7:50 (c) 8:50 (d) 7:40
  31. 31.A film starts at 4:10 and ends at 4:35. How long is the film? (a) 15 min (b) 25 min (c) 1 h 25 min (d) 35 min
  32. 32.What time will it be 50 minutes after 8:45? (a) 9:35 (b) 10:35 (c) 9:25 (d) 8:35
  33. 33.What time will it be 15 minutes after 2:45? (a) 2:00 (b) 3:00 (c) 2:50 (d) 4:00
  34. 34.What time was it 50 minutes before 11:00? (a) 10:10 (b) 10:20 (c) 9:10 (d) 11:10
  35. 35.A film starts at 3:40 and ends at 4:20. How long is the film? (a) 50 min (b) 40 min (c) 1 h 40 min (d) 30 min
  36. 36.A film starts at 5:00 and ends at 6:20. How long is the film? (a) 2 h 20 min (b) 1 h 30 min (c) 20 min (d) 1 h 20 min
  37. 37.What time will it be 20 minutes after 2:30? (a) 1:50 (b) 3:50 (c) 2:40 (d) 2:50
  38. 38.A film starts at 5:55 and ends at 8:15. 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
  39. 39.What time will it be 45 minutes after 2:05? (a) 3:50 (b) 2:40 (c) 1:50 (d) 2:50
  40. 40.A film starts at 4:25 and ends at 5:55. How long is the film? (a) 30 min (b) 1 h 40 min (c) 2 h 30 min (d) 1 h 30 min

Answer key

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

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