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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 831 · 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 4:00 and ends at 5:50. How long is the film? (a) 2 h (b) 2 h 50 min (c) 50 min (d) 1 h 50 min
  2. 2.A film starts at 4:10 and ends at 5:10. How long is the film? (a) 2 h (b) 1 h 10 min (c) 1 h (d) 50 min
  3. 3.What time will it be 20 minutes after 5:15? (a) 6:35 (b) 5:35 (c) 4:35 (d) 5:25
  4. 4.What time was it 50 minutes before 2:45? (a) 2:05 (b) 1:45 (c) 1:55 (d) 2:55
  5. 5.What time will it be 15 minutes after 1:25? (a) 2:40 (b) 1:40 (c) 1:50 (d) 1:30
  6. 6.What time will it be 50 minutes after 1:30? (a) 2:10 (b) 3:20 (c) 1:20 (d) 2:20
  7. 7.What time was it 25 minutes before 10:05? (a) 8:40 (b) 9:50 (c) 9:40 (d) 10:40
  8. 8.What time will it be 50 minutes after 10:10? (a) 12:00 (b) 11:00 (c) 10:50 (d) 10:00
  9. 9.A film starts at 6:50 and ends at 8:05. How long is the film? (a) 1 h 25 min (b) 15 min (c) 1 h 15 min (d) 2 h 15 min
  10. 10.What time will it be 45 minutes after 7:00? (a) 8:45 (b) 7:35 (c) 7:45 (d) 6:45
  11. 11.What time was it 35 minutes before 4:25? (a) 4:00 (b) 2:50 (c) 3:50 (d) 4:50
  12. 12.A film starts at 6:40 and ends at 8:05. How long is the film? (a) 1 h 35 min (b) 25 min (c) 1 h 25 min (d) 2 h 25 min
  13. 13.What time was it 55 minutes before 2:50? (a) 2:05 (b) 1:45 (c) 1:55 (d) 2:55
  14. 14.What time was it 45 minutes before 4:20? (a) 4:35 (b) 3:45 (c) 2:35 (d) 3:35
  15. 15.What time was it 30 minutes before 3:25? (a) 1:55 (b) 3:05 (c) 3:55 (d) 2:55
  16. 16.What time was it 30 minutes before 4:35? (a) 4:15 (b) 3:05 (c) 5:05 (d) 4:05
  17. 17.What time will it be 20 minutes after 9:45? (a) 9:55 (b) 10:05 (c) 11:05 (d) 9:05
  18. 18.What time was it 55 minutes before 10:25? (a) 9:40 (b) 8:30 (c) 10:30 (d) 9:30
  19. 19.What time was it 30 minutes before 11:10? (a) 9:40 (b) 10:50 (c) 10:40 (d) 11:40
  20. 20.What time was it 40 minutes before 4:00? (a) 2:20 (b) 3:30 (c) 4:20 (d) 3:20
  21. 21.A film starts at 1:45 and ends at 2:10. How long is the film? (a) 15 min (b) 1 h 25 min (c) 25 min (d) 35 min
  22. 22.A film starts at 1:25 and ends at 3:20. How long is the film? (a) 2 h 55 min (b) 55 min (c) 2 h 5 min (d) 1 h 55 min
  23. 23.What time was it 20 minutes before 2:25? (a) 2:15 (b) 2:05 (c) 3:05 (d) 1:05
  24. 24.What time will it be 30 minutes after 1:35? (a) 3:05 (b) 2:05 (c) 1:55 (d) 1:05
  25. 25.A film starts at 6:00 and ends at 8:45. How long is the film? (a) 3 h 45 min (b) 2 h 55 min (c) 1 h 45 min (d) 2 h 45 min
  26. 26.What time will it be 55 minutes after 1:30? (a) 1:25 (b) 3:25 (c) 2:25 (d) 2:15
  27. 27.What time was it 20 minutes before 3:00? (a) 3:40 (b) 1:40 (c) 2:40 (d) 2:50
  28. 28.A film starts at 4:35 and ends at 6:00. How long is the film? (a) 2 h 25 min (b) 25 min (c) 1 h 25 min (d) 1 h 35 min
  29. 29.What time was it 15 minutes before 11:25? (a) 10:10 (b) 12:10 (c) 11:20 (d) 11:10
  30. 30.What time will it be 50 minutes after 5:05? (a) 5:45 (b) 6:55 (c) 5:55 (d) 4:55
  31. 31.What time will it be 35 minutes after 1:50? (a) 3:25 (b) 1:25 (c) 2:25 (d) 2:15
  32. 32.What time was it 25 minutes before 8:45? (a) 8:30 (b) 7:20 (c) 9:20 (d) 8:20
  33. 33.What time will it be 40 minutes after 1:50? (a) 1:30 (b) 2:20 (c) 3:30 (d) 2:30
  34. 34.A film starts at 7:00 and ends at 9:35. How long is the film? (a) 2 h 35 min (b) 1 h 35 min (c) 2 h 45 min (d) 3 h 35 min
  35. 35.A film starts at 5:00 and ends at 8:00. How long is the film? (a) 2 h (b) 4 h (c) 3 h 10 min (d) 3 h
  36. 36.A film starts at 6:40 and ends at 7:40. How long is the film? (a) 1 h 10 min (b) 2 h (c) 50 min (d) 1 h
  37. 37.What time will it be 40 minutes after 9:55? (a) 10:35 (b) 9:35 (c) 10:25 (d) 11:35
  38. 38.What time was it 35 minutes before 11:50? (a) 11:25 (b) 11:15 (c) 10:15 (d) 12:15
  39. 39.What time was it 25 minutes before 11:30? (a) 10:05 (b) 12:05 (c) 11:05 (d) 11:15
  40. 40.What time will it be 25 minutes after 6:05? (a) 7:30 (b) 5:30 (c) 6:30 (d) 6:20

Answer key

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

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