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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 472 · 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 will it be 25 minutes after 7:50? (a) 8:05 (b) 8:15 (c) 7:15 (d) 9:15
  2. 2.A film starts at 6:00 and ends at 7:20. How long is the film? (a) 2 h 20 min (b) 20 min (c) 1 h 20 min (d) 1 h 30 min
  3. 3.What time will it be 15 minutes after 5:25? (a) 4:40 (b) 6:40 (c) 5:30 (d) 5:40
  4. 4.What time was it 55 minutes before 3:45? (a) 1:50 (b) 3:00 (c) 3:50 (d) 2:50
  5. 5.What time was it 20 minutes before 3:35? (a) 3:25 (b) 2:15 (c) 4:15 (d) 3:15
  6. 6.What time will it be 15 minutes after 5:50? (a) 7:05 (b) 6:05 (c) 5:55 (d) 5:05
  7. 7.A film starts at 3:40 and ends at 6:40. How long is the film? (a) 4 h (b) 2 h (c) 3 h 10 min (d) 3 h
  8. 8.What time will it be 45 minutes after 6:30? (a) 8:15 (b) 7:05 (c) 7:15 (d) 6:15
  9. 9.What time will it be 15 minutes after 7:10? (a) 6:25 (b) 8:25 (c) 7:25 (d) 7:15
  10. 10.What time was it 35 minutes before 8:00? (a) 7:35 (b) 7:25 (c) 6:25 (d) 8:25
  11. 11.A film starts at 1:30 and ends at 3:45. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 2 h 25 min (d) 3 h 15 min
  12. 12.What time was it 15 minutes before 8:00? (a) 7:45 (b) 7:55 (c) 6:45 (d) 8:45
  13. 13.A film starts at 8:45 and ends at 10:10. How long is the film? (a) 1 h 25 min (b) 1 h 35 min (c) 2 h 25 min (d) 25 min
  14. 14.A film starts at 7:00 and ends at 8:10. How long is the film? (a) 1 h 20 min (b) 10 min (c) 2 h 10 min (d) 1 h 10 min
  15. 15.A film starts at 7:20 and ends at 8:00. How long is the film? (a) 40 min (b) 50 min (c) 30 min (d) 1 h 40 min
  16. 16.What time was it 30 minutes before 2:40? (a) 2:10 (b) 3:10 (c) 1:10 (d) 2:20
  17. 17.What time will it be 25 minutes after 3:20? (a) 3:45 (b) 4:45 (c) 3:35 (d) 2:45
  18. 18.What time was it 55 minutes before 4:40? (a) 4:45 (b) 3:55 (c) 2:45 (d) 3:45
  19. 19.What time will it be 50 minutes after 2:20? (a) 2:10 (b) 3:00 (c) 4:10 (d) 3:10
  20. 20.What time will it be 45 minutes after 7:15? (a) 9:00 (b) 7:00 (c) 8:00 (d) 7:50
  21. 21.What time will it be 20 minutes after 3:15? (a) 3:35 (b) 4:35 (c) 3:25 (d) 2:35
  22. 22.What time will it be 20 minutes after 9:25? (a) 8:45 (b) 9:45 (c) 9:35 (d) 10:45
  23. 23.What time will it be 55 minutes after 1:05? (a) 3:00 (b) 1:50 (c) 1:00 (d) 2:00
  24. 24.A film starts at 5:15 and ends at 6:20. How long is the film? (a) 2 h 5 min (b) 5 min (c) 1 h 5 min (d) 1 h 15 min
  25. 25.What time will it be 15 minutes after 8:10? (a) 7:25 (b) 8:15 (c) 9:25 (d) 8:25
  26. 26.What time was it 50 minutes before 4:35? (a) 3:55 (b) 4:45 (c) 2:45 (d) 3:45
  27. 27.What time was it 20 minutes before 9:30? (a) 9:20 (b) 9:10 (c) 10:10 (d) 8:10
  28. 28.What time will it be 45 minutes after 4:30? (a) 6:15 (b) 4:15 (c) 5:05 (d) 5:15
  29. 29.A film starts at 8:10 and ends at 11:10. How long is the film? (a) 3 h (b) 4 h (c) 2 h (d) 3 h 10 min
  30. 30.A film starts at 1:20 and ends at 3:40. 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
  31. 31.A film starts at 2:05 and ends at 2:30. How long is the film? (a) 25 min (b) 15 min (c) 35 min (d) 1 h 25 min
  32. 32.A film starts at 7:55 and ends at 10:25. How long is the film? (a) 3 h 30 min (b) 2 h 30 min (c) 2 h 40 min (d) 1 h 30 min
  33. 33.A film starts at 2:55 and ends at 3:35. How long is the film? (a) 1 h 40 min (b) 50 min (c) 40 min (d) 30 min
  34. 34.What time will it be 40 minutes after 6:25? (a) 8:05 (b) 6:55 (c) 6:05 (d) 7:05
  35. 35.What time was it 15 minutes before 6:25? (a) 6:20 (b) 7:10 (c) 5:10 (d) 6:10
  36. 36.A film starts at 8:35 and ends at 10:50. How long is the film? (a) 2 h 15 min (b) 2 h 25 min (c) 3 h 15 min (d) 1 h 15 min
  37. 37.A film starts at 2:50 and ends at 3:35. How long is the film? (a) 45 min (b) 55 min (c) 35 min (d) 1 h 45 min
  38. 38.What time was it 20 minutes before 7:00? (a) 6:40 (b) 5:40 (c) 7:40 (d) 6:50
  39. 39.A film starts at 7:55 and ends at 9:55. How long is the film? (a) 2 h 10 min (b) 2 h (c) 3 h (d) 1 h
  40. 40.A film starts at 7:35 and ends at 8:10. How long is the film? (a) 45 min (b) 25 min (c) 1 h 35 min (d) 35 min

Answer key

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

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