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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 220 · 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 15 minutes before 11:55? (a) 10:40 (b) 11:50 (c) 11:40 (d) 12:40
  2. 2.What time was it 40 minutes before 4:10? (a) 3:40 (b) 2:30 (c) 4:30 (d) 3:30
  3. 3.A film starts at 8:20 and ends at 10:50. How long is the film? (a) 2 h 30 min (b) 2 h 40 min (c) 3 h 30 min (d) 1 h 30 min
  4. 4.What time will it be 35 minutes after 1:10? (a) 1:35 (b) 1:55 (c) 1:45 (d) 2:45
  5. 5.What time was it 25 minutes before 11:55? (a) 11:40 (b) 10:30 (c) 12:30 (d) 11:30
  6. 6.A film starts at 5:10 and ends at 5:50. How long is the film? (a) 50 min (b) 40 min (c) 30 min (d) 1 h 40 min
  7. 7.What time will it be 55 minutes after 5:15? (a) 6:10 (b) 5:10 (c) 7:10 (d) 6:00
  8. 8.What time was it 45 minutes before 5:45? (a) 6:00 (b) 4:00 (c) 5:00 (d) 5:10
  9. 9.What time was it 25 minutes before 9:35? (a) 9:10 (b) 8:10 (c) 10:10 (d) 9:20
  10. 10.What time was it 35 minutes before 6:45? (a) 6:20 (b) 6:10 (c) 5:10 (d) 7:10
  11. 11.A film starts at 3:15 and ends at 4:30. How long is the film? (a) 2 h 15 min (b) 15 min (c) 1 h 15 min (d) 1 h 25 min
  12. 12.What time was it 45 minutes before 8:45? (a) 8:10 (b) 9:00 (c) 8:00 (d) 7:00
  13. 13.What time will it be 20 minutes after 8:30? (a) 7:50 (b) 8:50 (c) 8:40 (d) 9:50
  14. 14.A film starts at 3:50 and ends at 5:40. How long is the film? (a) 1 h 50 min (b) 50 min (c) 2 h 50 min (d) 2 h
  15. 15.A film starts at 4:10 and ends at 4:50. How long is the film? (a) 50 min (b) 1 h 40 min (c) 30 min (d) 40 min
  16. 16.What time was it 50 minutes before 10:20? (a) 8:30 (b) 9:30 (c) 10:30 (d) 9:40
  17. 17.What time was it 40 minutes before 10:00? (a) 8:20 (b) 9:20 (c) 9:30 (d) 10:20
  18. 18.What time was it 20 minutes before 4:30? (a) 3:10 (b) 4:20 (c) 5:10 (d) 4:10
  19. 19.A film starts at 8:25 and ends at 9:45. How long is the film? (a) 1 h 30 min (b) 20 min (c) 1 h 20 min (d) 2 h 20 min
  20. 20.A film starts at 2:00 and ends at 4:00. How long is the film? (a) 3 h (b) 2 h (c) 1 h (d) 2 h 10 min
  21. 21.What time was it 55 minutes before 2:50? (a) 1:55 (b) 2:05 (c) 1:45 (d) 2:55
  22. 22.What time was it 50 minutes before 10:55? (a) 10:05 (b) 9:05 (c) 10:15 (d) 11:05
  23. 23.What time will it be 25 minutes after 6:00? (a) 7:25 (b) 6:15 (c) 5:25 (d) 6:25
  24. 24.What time will it be 35 minutes after 3:35? (a) 3:10 (b) 4:00 (c) 5:10 (d) 4:10
  25. 25.What time will it be 35 minutes after 5:40? (a) 7:15 (b) 6:15 (c) 6:05 (d) 5:15
  26. 26.What time will it be 55 minutes after 5:35? (a) 6:30 (b) 7:30 (c) 5:30 (d) 6:20
  27. 27.What time will it be 45 minutes after 6:05? (a) 6:40 (b) 5:50 (c) 7:50 (d) 6:50
  28. 28.What time will it be 15 minutes after 9:05? (a) 8:20 (b) 10:20 (c) 9:10 (d) 9:20
  29. 29.What time was it 50 minutes before 6:25? (a) 6:35 (b) 5:45 (c) 5:35 (d) 4:35
  30. 30.A film starts at 1:40 and ends at 4:05. How long is the film? (a) 2 h 25 min (b) 2 h 35 min (c) 1 h 25 min (d) 3 h 25 min
  31. 31.What time will it be 30 minutes after 2:50? (a) 3:10 (b) 4:20 (c) 2:20 (d) 3:20
  32. 32.What time will it be 15 minutes after 4:35? (a) 4:50 (b) 4:40 (c) 3:50 (d) 5:50
  33. 33.A film starts at 1:35 and ends at 4:30. How long is the film? (a) 3 h 55 min (b) 3 h 5 min (c) 2 h 55 min (d) 1 h 55 min
  34. 34.What time was it 35 minutes before 11:30? (a) 9:55 (b) 11:55 (c) 11:05 (d) 10:55
  35. 35.What time will it be 50 minutes after 3:00? (a) 3:40 (b) 3:50 (c) 4:50 (d) 2:50
  36. 36.What time was it 25 minutes before 10:05? (a) 9:40 (b) 10:40 (c) 8:40 (d) 9:50
  37. 37.A film starts at 7:35 and ends at 9:40. How long is the film? (a) 2 h 5 min (b) 3 h 5 min (c) 1 h 5 min (d) 2 h 15 min
  38. 38.What time will it be 45 minutes after 1:15? (a) 1:00 (b) 1:50 (c) 3:00 (d) 2:00
  39. 39.What time was it 25 minutes before 3:50? (a) 4:25 (b) 3:25 (c) 3:35 (d) 2:25
  40. 40.A film starts at 7:20 and ends at 9:10. How long is the film? (a) 50 min (b) 2 h (c) 2 h 50 min (d) 1 h 50 min

Answer key

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

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