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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 666 · 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 8:15 and ends at 9:15. How long is the film? (a) 2 h (b) 50 min (c) 1 h (d) 1 h 10 min
  2. 2.What time will it be 40 minutes after 7:15? (a) 8:55 (b) 7:55 (c) 6:55 (d) 7:45
  3. 3.A film starts at 6:45 and ends at 7:05. How long is the film? (a) 20 min (b) 30 min (c) 1 h 20 min (d) 10 min
  4. 4.What time was it 35 minutes before 9:30? (a) 9:55 (b) 9:05 (c) 8:55 (d) 7:55
  5. 5.What time will it be 40 minutes after 10:55? (a) 12:35 (b) 11:35 (c) 11:25 (d) 10:35
  6. 6.What time will it be 20 minutes after 8:40? (a) 8:50 (b) 10:00 (c) 9:00 (d) 8:00
  7. 7.What time will it be 25 minutes after 10:05? (a) 9:30 (b) 10:30 (c) 10:20 (d) 11:30
  8. 8.What time will it be 35 minutes after 8:10? (a) 7:45 (b) 8:45 (c) 8:35 (d) 9:45
  9. 9.What time will it be 50 minutes after 8:15? (a) 8:55 (b) 8:05 (c) 9:05 (d) 10:05
  10. 10.What time was it 25 minutes before 3:00? (a) 3:35 (b) 2:35 (c) 2:45 (d) 1:35
  11. 11.What time will it be 25 minutes after 10:15? (a) 9:40 (b) 10:30 (c) 10:40 (d) 11:40
  12. 12.What time will it be 45 minutes after 3:25? (a) 5:10 (b) 3:10 (c) 4:10 (d) 4:00
  13. 13.What time will it be 20 minutes after 5:45? (a) 7:05 (b) 6:05 (c) 5:05 (d) 5:55
  14. 14.What time was it 25 minutes before 4:10? (a) 4:45 (b) 2:45 (c) 3:45 (d) 3:55
  15. 15.A film starts at 7:35 and ends at 9:20. How long is the film? (a) 2 h 45 min (b) 45 min (c) 1 h 55 min (d) 1 h 45 min
  16. 16.What time will it be 20 minutes after 3:35? (a) 4:55 (b) 3:55 (c) 3:45 (d) 2:55
  17. 17.What time will it be 40 minutes after 6:00? (a) 5:40 (b) 6:30 (c) 7:40 (d) 6:40
  18. 18.What time will it be 15 minutes after 6:05? (a) 6:20 (b) 6:10 (c) 7:20 (d) 5:20
  19. 19.A film starts at 5:25 and ends at 6:50. How long is the film? (a) 2 h 25 min (b) 1 h 25 min (c) 1 h 35 min (d) 25 min
  20. 20.What time was it 30 minutes before 11:05? (a) 10:35 (b) 10:45 (c) 9:35 (d) 11:35
  21. 21.A film starts at 3:35 and ends at 5:20. How long is the film? (a) 2 h 45 min (b) 45 min (c) 1 h 45 min (d) 1 h 55 min
  22. 22.What time was it 20 minutes before 3:10? (a) 2:50 (b) 1:50 (c) 3:00 (d) 3:50
  23. 23.What time will it be 30 minutes after 4:50? (a) 5:20 (b) 4:20 (c) 5:10 (d) 6:20
  24. 24.What time will it be 45 minutes after 5:10? (a) 6:55 (b) 5:55 (c) 4:55 (d) 5:45
  25. 25.What time was it 25 minutes before 9:35? (a) 9:20 (b) 9:10 (c) 8:10 (d) 10:10
  26. 26.What time will it be 50 minutes after 10:50? (a) 12:40 (b) 11:30 (c) 11:40 (d) 10:40
  27. 27.What time will it be 35 minutes after 2:55? (a) 4:30 (b) 3:30 (c) 2:30 (d) 3:20
  28. 28.A film starts at 3:25 and ends at 5:25. How long is the film? (a) 2 h 10 min (b) 1 h (c) 2 h (d) 3 h
  29. 29.A film starts at 6:10 and ends at 6:50. How long is the film? (a) 40 min (b) 1 h 40 min (c) 30 min (d) 50 min
  30. 30.A film starts at 2:20 and ends at 5:05. How long is the film? (a) 3 h 45 min (b) 2 h 55 min (c) 2 h 45 min (d) 1 h 45 min
  31. 31.What time was it 55 minutes before 4:05? (a) 4:10 (b) 3:10 (c) 3:20 (d) 2:10
  32. 32.What time will it be 45 minutes after 7:40? (a) 7:25 (b) 9:25 (c) 8:25 (d) 8:15
  33. 33.What time will it be 20 minutes after 4:30? (a) 4:50 (b) 4:40 (c) 5:50 (d) 3:50
  34. 34.A film starts at 2:10 and ends at 3:35. How long is the film? (a) 2 h 25 min (b) 1 h 25 min (c) 25 min (d) 1 h 35 min
  35. 35.What time will it be 20 minutes after 2:00? (a) 3:20 (b) 1:20 (c) 2:20 (d) 2:10
  36. 36.A film starts at 4:15 and ends at 5:50. How long is the film? (a) 2 h 35 min (b) 1 h 35 min (c) 1 h 45 min (d) 35 min
  37. 37.What time will it be 55 minutes after 5:45? (a) 6:40 (b) 5:40 (c) 7:40 (d) 6:30
  38. 38.A film starts at 6:50 and ends at 9:40. How long is the film? (a) 3 h 50 min (b) 1 h 50 min (c) 2 h 50 min (d) 3 h
  39. 39.What time was it 55 minutes before 5:50? (a) 3:55 (b) 4:55 (c) 5:55 (d) 5:05
  40. 40.What time will it be 50 minutes after 8:00? (a) 9:50 (b) 8:50 (c) 7:50 (d) 8:40

Answer key

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

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