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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 91 · 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 was it 55 minutes before 2:30? (a) 1:35 (b) 2:35 (c) 1:45 (d) 1:25
  2. 2.A film starts at 1:05 and ends at 3:35. How long is the film? (a) 2 h 40 min (b) 3 h 30 min (c) 1 h 30 min (d) 2 h 30 min
  3. 3.A film starts at 4:35 and ends at 7:20. How long is the film? (a) 2 h 55 min (b) 3 h 45 min (c) 1 h 45 min (d) 2 h 45 min
  4. 4.What time will it be 15 minutes after 6:30? (a) 5:45 (b) 7:45 (c) 6:45 (d) 6:35
  5. 5.What time will it be 20 minutes after 10:15? (a) 9:35 (b) 11:35 (c) 10:25 (d) 10:35
  6. 6.What time will it be 50 minutes after 3:15? (a) 5:05 (b) 3:05 (c) 3:55 (d) 4:05
  7. 7.A film starts at 5:10 and ends at 7:00. How long is the film? (a) 50 min (b) 2 h 50 min (c) 1 h 50 min (d) 2 h
  8. 8.A film starts at 3:15 and ends at 3:35. How long is the film? (a) 1 h 20 min (b) 10 min (c) 30 min (d) 20 min
  9. 9.What time will it be 35 minutes after 9:50? (a) 9:25 (b) 11:25 (c) 10:25 (d) 10:15
  10. 10.What time was it 20 minutes before 3:50? (a) 3:40 (b) 3:30 (c) 4:30 (d) 2:30
  11. 11.What time was it 55 minutes before 8:05? (a) 7:20 (b) 6:10 (c) 7:10 (d) 8:10
  12. 12.A film starts at 8:15 and ends at 10:50. How long is the film? (a) 2 h 45 min (b) 3 h 35 min (c) 1 h 35 min (d) 2 h 35 min
  13. 13.A film starts at 5:35 and ends at 7:35. How long is the film? (a) 1 h (b) 3 h (c) 2 h 10 min (d) 2 h
  14. 14.What time will it be 35 minutes after 10:10? (a) 9:45 (b) 11:45 (c) 10:35 (d) 10:45
  15. 15.A film starts at 6:10 and ends at 6:45. How long is the film? (a) 35 min (b) 1 h 35 min (c) 25 min (d) 45 min
  16. 16.A film starts at 3:20 and ends at 5:05. How long is the film? (a) 45 min (b) 1 h 55 min (c) 2 h 45 min (d) 1 h 45 min
  17. 17.What time will it be 40 minutes after 5:25? (a) 7:05 (b) 5:05 (c) 6:05 (d) 5:55
  18. 18.A film starts at 4:15 and ends at 7:15. How long is the film? (a) 3 h (b) 4 h (c) 2 h (d) 3 h 10 min
  19. 19.A film starts at 7:45 and ends at 8:20. How long is the film? (a) 1 h 35 min (b) 45 min (c) 35 min (d) 25 min
  20. 20.What time was it 30 minutes before 6:20? (a) 6:50 (b) 4:50 (c) 6:00 (d) 5:50
  21. 21.What time was it 25 minutes before 5:30? (a) 4:05 (b) 5:15 (c) 5:05 (d) 6:05
  22. 22.What time will it be 20 minutes after 6:10? (a) 6:30 (b) 6:20 (c) 5:30 (d) 7:30
  23. 23.A film starts at 5:40 and ends at 8:25. How long is the film? (a) 2 h 55 min (b) 1 h 45 min (c) 2 h 45 min (d) 3 h 45 min
  24. 24.A film starts at 2:10 and ends at 4:00. How long is the film? (a) 50 min (b) 2 h 50 min (c) 1 h 50 min (d) 2 h
  25. 25.What time will it be 20 minutes after 1:30? (a) 2:50 (b) 1:40 (c) 2:00 (d) 1:50
  26. 26.What time was it 35 minutes before 5:25? (a) 4:50 (b) 3:50 (c) 5:00 (d) 5:50
  27. 27.What time was it 45 minutes before 11:10? (a) 10:35 (b) 10:25 (c) 9:25 (d) 11:25
  28. 28.A film starts at 2:00 and ends at 3:30. How long is the film? (a) 2 h 30 min (b) 1 h 40 min (c) 30 min (d) 1 h 30 min
  29. 29.What time will it be 20 minutes after 5:15? (a) 6:35 (b) 4:35 (c) 5:25 (d) 5:35
  30. 30.A film starts at 3:15 and ends at 4:30. How long is the film? (a) 15 min (b) 1 h 25 min (c) 1 h 15 min (d) 2 h 15 min
  31. 31.What time was it 15 minutes before 3:35? (a) 3:20 (b) 3:30 (c) 2:20 (d) 4:20
  32. 32.What time will it be 40 minutes after 4:15? (a) 4:55 (b) 4:45 (c) 5:55 (d) 3:55
  33. 33.What time was it 50 minutes before 10:50? (a) 10:00 (b) 11:00 (c) 10:10 (d) 9:00
  34. 34.What time will it be 25 minutes after 8:50? (a) 9:05 (b) 10:15 (c) 9:15 (d) 8:15
  35. 35.What time was it 25 minutes before 8:40? (a) 9:15 (b) 7:15 (c) 8:25 (d) 8:15
  36. 36.A film starts at 4:50 and ends at 5:35. How long is the film? (a) 45 min (b) 55 min (c) 1 h 45 min (d) 35 min
  37. 37.A film starts at 3:55 and ends at 4:30. How long is the film? (a) 45 min (b) 25 min (c) 35 min (d) 1 h 35 min
  38. 38.What time was it 20 minutes before 7:25? (a) 8:05 (b) 7:15 (c) 7:05 (d) 6:05
  39. 39.What time will it be 25 minutes after 1:20? (a) 1:55 (b) 2:45 (c) 1:45 (d) 1:35
  40. 40.A film starts at 1:20 and ends at 3:00. How long is the film? (a) 40 min (b) 1 h 40 min (c) 2 h 40 min (d) 1 h 50 min

Answer key

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

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