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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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