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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 821 · 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 3:55 and ends at 4:20. How long is the film? (a) 35 min (b) 15 min (c) 1 h 25 min (d) 25 min
  2. 2.A film starts at 3:45 and ends at 4:55. How long is the film? (a) 1 h 10 min (b) 1 h 20 min (c) 2 h 10 min (d) 10 min
  3. 3.What time will it be 50 minutes after 10:10? (a) 10:50 (b) 11:00 (c) 12:00 (d) 10:00
  4. 4.What time will it be 45 minutes after 4:50? (a) 4:35 (b) 6:35 (c) 5:25 (d) 5:35
  5. 5.A film starts at 2:50 and ends at 4:35. How long is the film? (a) 2 h 45 min (b) 1 h 55 min (c) 1 h 45 min (d) 45 min
  6. 6.What time will it be 20 minutes after 3:45? (a) 3:05 (b) 5:05 (c) 3:55 (d) 4:05
  7. 7.What time was it 35 minutes before 4:45? (a) 4:20 (b) 5:10 (c) 4:10 (d) 3:10
  8. 8.A film starts at 2:45 and ends at 5:25. How long is the film? (a) 2 h 40 min (b) 3 h 40 min (c) 1 h 40 min (d) 2 h 50 min
  9. 9.What time will it be 25 minutes after 1:15? (a) 2:40 (b) 1:50 (c) 1:40 (d) 1:30
  10. 10.A film starts at 8:45 and ends at 11:35. How long is the film? (a) 3 h (b) 1 h 50 min (c) 2 h 50 min (d) 3 h 50 min
  11. 11.What time was it 30 minutes before 2:15? (a) 2:45 (b) 1:35 (c) 1:45 (d) 1:55
  12. 12.A film starts at 4:00 and ends at 4:50. How long is the film? (a) 50 min (b) 40 min (c) 1 h 50 min (d) 1 h
  13. 13.What time will it be 45 minutes after 3:15? (a) 5:00 (b) 3:50 (c) 4:00 (d) 3:00
  14. 14.What time will it be 15 minutes after 10:00? (a) 11:15 (b) 9:15 (c) 10:05 (d) 10:15
  15. 15.What time will it be 40 minutes after 5:05? (a) 4:45 (b) 5:35 (c) 5:45 (d) 6:45
  16. 16.What time will it be 50 minutes after 7:55? (a) 9:45 (b) 7:45 (c) 8:45 (d) 8:35
  17. 17.A film starts at 2:15 and ends at 5:10. How long is the film? (a) 1 h 55 min (b) 3 h 5 min (c) 3 h 55 min (d) 2 h 55 min
  18. 18.A film starts at 4:30 and ends at 6:40. How long is the film? (a) 2 h 20 min (b) 1 h 10 min (c) 3 h 10 min (d) 2 h 10 min
  19. 19.A film starts at 5:45 and ends at 7:50. How long is the film? (a) 2 h 15 min (b) 3 h 5 min (c) 2 h 5 min (d) 1 h 5 min
  20. 20.What time will it be 45 minutes after 9:15? (a) 9:00 (b) 11:00 (c) 10:00 (d) 9:50
  21. 21.What time was it 35 minutes before 3:35? (a) 2:00 (b) 3:10 (c) 4:00 (d) 3:00
  22. 22.What time was it 40 minutes before 11:40? (a) 11:10 (b) 10:00 (c) 11:00 (d) 12:00
  23. 23.A film starts at 1:35 and ends at 4:20. How long is the film? (a) 1 h 45 min (b) 2 h 45 min (c) 3 h 45 min (d) 2 h 55 min
  24. 24.A film starts at 6:10 and ends at 8:10. How long is the film? (a) 3 h (b) 1 h (c) 2 h (d) 2 h 10 min
  25. 25.A film starts at 3:05 and ends at 4:30. How long is the film? (a) 2 h 25 min (b) 1 h 35 min (c) 25 min (d) 1 h 25 min
  26. 26.What time will it be 15 minutes after 8:30? (a) 7:45 (b) 9:45 (c) 8:45 (d) 8:35
  27. 27.What time was it 45 minutes before 3:05? (a) 1:20 (b) 2:30 (c) 3:20 (d) 2:20
  28. 28.What time will it be 40 minutes after 6:10? (a) 6:50 (b) 7:50 (c) 6:40 (d) 5:50
  29. 29.What time will it be 45 minutes after 6:35? (a) 7:20 (b) 7:10 (c) 6:20 (d) 8:20
  30. 30.What time will it be 45 minutes after 3:10? (a) 2:55 (b) 4:55 (c) 3:55 (d) 3:45
  31. 31.A film starts at 6:30 and ends at 8:15. How long is the film? (a) 2 h 45 min (b) 1 h 45 min (c) 1 h 55 min (d) 45 min
  32. 32.What time will it be 20 minutes after 1:25? (a) 1:35 (b) 1:45 (c) 1:55 (d) 2:45
  33. 33.What time was it 20 minutes before 7:20? (a) 7:10 (b) 7:00 (c) 8:00 (d) 6:00
  34. 34.What time will it be 50 minutes after 10:00? (a) 11:50 (b) 10:40 (c) 9:50 (d) 10:50
  35. 35.A film starts at 8:35 and ends at 9:00. How long is the film? (a) 35 min (b) 15 min (c) 25 min (d) 1 h 25 min
  36. 36.A film starts at 6:25 and ends at 9:00. How long is the film? (a) 2 h 45 min (b) 2 h 35 min (c) 1 h 35 min (d) 3 h 35 min
  37. 37.A film starts at 7:05 and ends at 7:25. How long is the film? (a) 1 h 20 min (b) 30 min (c) 20 min (d) 10 min
  38. 38.What time was it 25 minutes before 6:35? (a) 6:20 (b) 7:10 (c) 5:10 (d) 6:10
  39. 39.A film starts at 4:45 and ends at 6:35. How long is the film? (a) 1 h 50 min (b) 50 min (c) 2 h (d) 2 h 50 min
  40. 40.What time will it be 25 minutes after 3:00? (a) 2:25 (b) 4:25 (c) 3:15 (d) 3:25

Answer key

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

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