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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 118 · 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 8:00 and ends at 9:25. How long is the film? (a) 2 h 25 min (b) 1 h 35 min (c) 1 h 25 min (d) 25 min
  2. 2.What time was it 20 minutes before 8:45? (a) 7:25 (b) 8:25 (c) 9:25 (d) 8:35
  3. 3.What time was it 45 minutes before 10:50? (a) 10:15 (b) 11:05 (c) 9:05 (d) 10:05
  4. 4.What time was it 25 minutes before 9:20? (a) 8:55 (b) 7:55 (c) 9:05 (d) 9:55
  5. 5.What time was it 20 minutes before 10:10? (a) 10:50 (b) 10:00 (c) 9:50 (d) 8:50
  6. 6.What time will it be 35 minutes after 5:40? (a) 6:15 (b) 6:05 (c) 7:15 (d) 5:15
  7. 7.What time was it 55 minutes before 3:20? (a) 2:35 (b) 3:25 (c) 2:25 (d) 1:25
  8. 8.What time will it be 20 minutes after 2:05? (a) 3:25 (b) 2:25 (c) 1:25 (d) 2:15
  9. 9.A film starts at 1:00 and ends at 3:25. How long is the film? (a) 1 h 25 min (b) 3 h 25 min (c) 2 h 25 min (d) 2 h 35 min
  10. 10.What time was it 20 minutes before 8:10? (a) 7:50 (b) 8:00 (c) 6:50 (d) 8:50
  11. 11.What time was it 55 minutes before 2:30? (a) 1:35 (b) 1:25 (c) 2:35 (d) 1:45
  12. 12.What time will it be 50 minutes after 1:10? (a) 2:00 (b) 1:00 (c) 1:50 (d) 3:00
  13. 13.What time will it be 40 minutes after 2:35? (a) 4:15 (b) 3:15 (c) 2:15 (d) 3:05
  14. 14.A film starts at 5:05 and ends at 7:00. How long is the film? (a) 1 h 55 min (b) 2 h 5 min (c) 55 min (d) 2 h 55 min
  15. 15.What time will it be 25 minutes after 5:25? (a) 5:50 (b) 4:50 (c) 5:40 (d) 6:50
  16. 16.What time will it be 50 minutes after 2:55? (a) 3:35 (b) 4:45 (c) 3:45 (d) 2:45
  17. 17.A film starts at 3:10 and ends at 5:05. How long is the film? (a) 55 min (b) 2 h 5 min (c) 1 h 55 min (d) 2 h 55 min
  18. 18.What time was it 50 minutes before 10:00? (a) 8:10 (b) 9:20 (c) 10:10 (d) 9:10
  19. 19.What time was it 20 minutes before 9:40? (a) 10:20 (b) 9:30 (c) 9:20 (d) 8:20
  20. 20.What time was it 15 minutes before 8:15? (a) 8:00 (b) 7:00 (c) 8:10 (d) 9:00
  21. 21.What time will it be 55 minutes after 4:15? (a) 5:00 (b) 5:10 (c) 4:10 (d) 6:10
  22. 22.A film starts at 1:20 and ends at 3:40. How long is the film? (a) 2 h 30 min (b) 1 h 20 min (c) 3 h 20 min (d) 2 h 20 min
  23. 23.What time will it be 25 minutes after 3:15? (a) 3:40 (b) 2:40 (c) 3:30 (d) 4:40
  24. 24.What time will it be 15 minutes after 10:55? (a) 11:00 (b) 12:10 (c) 10:10 (d) 11:10
  25. 25.What time was it 40 minutes before 10:25? (a) 9:45 (b) 8:45 (c) 9:55 (d) 10:45
  26. 26.A film starts at 2:25 and ends at 3:05. How long is the film? (a) 1 h 40 min (b) 50 min (c) 40 min (d) 30 min
  27. 27.What time will it be 20 minutes after 10:45? (a) 10:05 (b) 10:55 (c) 11:05 (d) 12:05
  28. 28.A film starts at 1:25 and ends at 4:25. How long is the film? (a) 2 h (b) 3 h (c) 4 h (d) 3 h 10 min
  29. 29.What time will it be 45 minutes after 9:05? (a) 9:50 (b) 10:50 (c) 9:40 (d) 8:50
  30. 30.What time will it be 25 minutes after 6:25? (a) 7:50 (b) 6:40 (c) 5:50 (d) 6:50
  31. 31.What time will it be 20 minutes after 1:10? (a) 1:20 (b) 2:30 (c) 1:30 (d) 1:40
  32. 32.A film starts at 5:40 and ends at 7:55. How long is the film? (a) 1 h 15 min (b) 2 h 25 min (c) 3 h 15 min (d) 2 h 15 min
  33. 33.What time will it be 20 minutes after 1:50? (a) 3:10 (b) 2:00 (c) 2:10 (d) 1:10
  34. 34.A film starts at 8:25 and ends at 10:15. How long is the film? (a) 2 h (b) 50 min (c) 2 h 50 min (d) 1 h 50 min
  35. 35.What time was it 30 minutes before 4:50? (a) 4:30 (b) 5:20 (c) 3:20 (d) 4:20
  36. 36.What time will it be 30 minutes after 6:05? (a) 6:25 (b) 7:35 (c) 5:35 (d) 6:35
  37. 37.A film starts at 7:35 and ends at 9:30. How long is the film? (a) 55 min (b) 2 h 5 min (c) 2 h 55 min (d) 1 h 55 min
  38. 38.A film starts at 8:45 and ends at 11:10. How long is the film? (a) 2 h 35 min (b) 2 h 25 min (c) 3 h 25 min (d) 1 h 25 min
  39. 39.What time will it be 25 minutes after 5:40? (a) 7:05 (b) 6:05 (c) 5:55 (d) 5:05
  40. 40.A film starts at 5:00 and ends at 6:15. How long is the film? (a) 15 min (b) 1 h 15 min (c) 2 h 15 min (d) 1 h 25 min

Answer key

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

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