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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 809 · 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 20 minutes after 9:55? (a) 11:15 (b) 10:05 (c) 9:15 (d) 10:15
  2. 2.A film starts at 3:15 and ends at 4:00. How long is the film? (a) 35 min (b) 55 min (c) 45 min (d) 1 h 45 min
  3. 3.A film starts at 6:50 and ends at 9:05. How long is the film? (a) 1 h 15 min (b) 3 h 15 min (c) 2 h 25 min (d) 2 h 15 min
  4. 4.A film starts at 4:25 and ends at 6:40. How long is the film? (a) 1 h 15 min (b) 3 h 15 min (c) 2 h 15 min (d) 2 h 25 min
  5. 5.A film starts at 3:15 and ends at 4:50. How long is the film? (a) 1 h 45 min (b) 35 min (c) 2 h 35 min (d) 1 h 35 min
  6. 6.What time will it be 20 minutes after 4:05? (a) 4:15 (b) 4:25 (c) 3:25 (d) 5:25
  7. 7.What time will it be 30 minutes after 10:15? (a) 11:45 (b) 10:35 (c) 9:45 (d) 10:45
  8. 8.What time will it be 55 minutes after 6:40? (a) 7:25 (b) 6:35 (c) 7:35 (d) 8:35
  9. 9.What time will it be 30 minutes after 7:25? (a) 8:55 (b) 7:45 (c) 6:55 (d) 7:55
  10. 10.What time will it be 15 minutes after 4:40? (a) 3:55 (b) 4:55 (c) 4:45 (d) 5:55
  11. 11.What time will it be 30 minutes after 2:40? (a) 3:00 (b) 2:10 (c) 4:10 (d) 3:10
  12. 12.What time will it be 25 minutes after 5:15? (a) 5:40 (b) 6:40 (c) 5:30 (d) 4:40
  13. 13.What time will it be 55 minutes after 6:50? (a) 7:45 (b) 6:45 (c) 8:45 (d) 7:35
  14. 14.A film starts at 7:45 and ends at 8:40. How long is the film? (a) 1 h 55 min (b) 1 h 5 min (c) 45 min (d) 55 min
  15. 15.A film starts at 5:45 and ends at 8:35. How long is the film? (a) 3 h 50 min (b) 3 h (c) 2 h 50 min (d) 1 h 50 min
  16. 16.What time was it 15 minutes before 6:15? (a) 6:10 (b) 5:00 (c) 7:00 (d) 6:00
  17. 17.A film starts at 8:05 and ends at 9:40. How long is the film? (a) 1 h 45 min (b) 35 min (c) 2 h 35 min (d) 1 h 35 min
  18. 18.What time was it 20 minutes before 6:05? (a) 4:45 (b) 5:55 (c) 6:45 (d) 5:45
  19. 19.What time was it 20 minutes before 2:30? (a) 2:10 (b) 3:10 (c) 2:20 (d) 1:10
  20. 20.What time will it be 35 minutes after 8:15? (a) 9:50 (b) 8:40 (c) 8:50 (d) 7:50
  21. 21.A film starts at 1:55 and ends at 3:15. How long is the film? (a) 1 h 20 min (b) 1 h 30 min (c) 20 min (d) 2 h 20 min
  22. 22.What time will it be 55 minutes after 9:05? (a) 11:00 (b) 9:00 (c) 9:50 (d) 10:00
  23. 23.What time will it be 55 minutes after 2:55? (a) 2:50 (b) 4:50 (c) 3:40 (d) 3:50
  24. 24.What time was it 50 minutes before 5:05? (a) 4:15 (b) 4:25 (c) 3:15 (d) 5:15
  25. 25.A film starts at 8:40 and ends at 11:00. How long is the film? (a) 2 h 30 min (b) 3 h 20 min (c) 2 h 20 min (d) 1 h 20 min
  26. 26.What time was it 15 minutes before 2:55? (a) 3:40 (b) 1:40 (c) 2:50 (d) 2:40
  27. 27.What time was it 25 minutes before 4:30? (a) 5:05 (b) 4:05 (c) 3:05 (d) 4:15
  28. 28.A film starts at 5:45 and ends at 6:40. How long is the film? (a) 45 min (b) 55 min (c) 1 h 55 min (d) 1 h 5 min
  29. 29.What time was it 30 minutes before 10:30? (a) 11:00 (b) 9:00 (c) 10:10 (d) 10:00
  30. 30.What time was it 20 minutes before 4:35? (a) 5:15 (b) 4:25 (c) 3:15 (d) 4:15
  31. 31.What time was it 20 minutes before 6:10? (a) 4:50 (b) 6:50 (c) 5:50 (d) 6:00
  32. 32.What time was it 50 minutes before 5:25? (a) 3:35 (b) 4:35 (c) 4:45 (d) 5:35
  33. 33.A film starts at 1:50 and ends at 4:20. How long is the film? (a) 2 h 40 min (b) 1 h 30 min (c) 3 h 30 min (d) 2 h 30 min
  34. 34.A film starts at 2:50 and ends at 4:30. How long is the film? (a) 2 h 40 min (b) 1 h 40 min (c) 1 h 50 min (d) 40 min
  35. 35.What time was it 15 minutes before 3:20? (a) 4:05 (b) 3:05 (c) 2:05 (d) 3:15
  36. 36.A film starts at 2:00 and ends at 4:30. How long is the film? (a) 2 h 40 min (b) 3 h 30 min (c) 2 h 30 min (d) 1 h 30 min
  37. 37.A film starts at 6:05 and ends at 6:55. How long is the film? (a) 40 min (b) 1 h (c) 1 h 50 min (d) 50 min
  38. 38.What time was it 25 minutes before 4:10? (a) 4:45 (b) 3:55 (c) 2:45 (d) 3:45
  39. 39.A film starts at 6:40 and ends at 9:20. How long is the film? (a) 3 h 40 min (b) 2 h 50 min (c) 1 h 40 min (d) 2 h 40 min
  40. 40.A film starts at 1:15 and ends at 3:05. How long is the film? (a) 50 min (b) 2 h (c) 2 h 50 min (d) 1 h 50 min

Answer key

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

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