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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 184 · 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 3:45 and ends at 6:40. How long is the film? (a) 3 h 5 min (b) 1 h 55 min (c) 3 h 55 min (d) 2 h 55 min
  2. 2.What time was it 15 minutes before 10:15? (a) 10:10 (b) 11:00 (c) 10:00 (d) 9:00
  3. 3.What time will it be 20 minutes after 6:10? (a) 6:20 (b) 7:30 (c) 5:30 (d) 6:30
  4. 4.What time will it be 55 minutes after 9:35? (a) 11:30 (b) 10:30 (c) 10:20 (d) 9:30
  5. 5.What time will it be 20 minutes after 9:40? (a) 9:00 (b) 9:50 (c) 10:00 (d) 11:00
  6. 6.What time was it 30 minutes before 2:35? (a) 2:05 (b) 3:05 (c) 2:15 (d) 1:05
  7. 7.What time will it be 20 minutes after 10:35? (a) 11:55 (b) 9:55 (c) 10:55 (d) 10:45
  8. 8.What time was it 25 minutes before 5:45? (a) 6:20 (b) 5:30 (c) 4:20 (d) 5:20
  9. 9.A film starts at 6:25 and ends at 9:10. 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
  10. 10.What time will it be 30 minutes after 3:05? (a) 3:25 (b) 3:35 (c) 4:35 (d) 2:35
  11. 11.What time was it 35 minutes before 7:00? (a) 6:35 (b) 6:25 (c) 7:25 (d) 5:25
  12. 12.What time will it be 50 minutes after 8:55? (a) 10:45 (b) 9:45 (c) 9:35 (d) 8:45
  13. 13.What time will it be 25 minutes after 9:15? (a) 9:40 (b) 8:40 (c) 10:40 (d) 9:30
  14. 14.A film starts at 7:20 and ends at 8:25. How long is the film? (a) 2 h 5 min (b) 5 min (c) 1 h 15 min (d) 1 h 5 min
  15. 15.A film starts at 7:20 and ends at 9:10. How long is the film? (a) 50 min (b) 2 h (c) 1 h 50 min (d) 2 h 50 min
  16. 16.What time was it 55 minutes before 10:40? (a) 10:45 (b) 9:55 (c) 9:45 (d) 8:45
  17. 17.What time will it be 30 minutes after 2:25? (a) 2:55 (b) 3:55 (c) 1:55 (d) 2:45
  18. 18.What time will it be 20 minutes after 5:50? (a) 5:10 (b) 6:00 (c) 7:10 (d) 6:10
  19. 19.A film starts at 5:00 and ends at 5:35. How long is the film? (a) 25 min (b) 45 min (c) 1 h 35 min (d) 35 min
  20. 20.What time was it 25 minutes before 6:20? (a) 4:55 (b) 5:55 (c) 6:55 (d) 6:05
  21. 21.What time was it 45 minutes before 7:30? (a) 7:45 (b) 5:45 (c) 6:45 (d) 6:55
  22. 22.What time was it 25 minutes before 5:50? (a) 5:25 (b) 5:35 (c) 4:25 (d) 6:25
  23. 23.What time will it be 55 minutes after 2:15? (a) 3:00 (b) 4:10 (c) 2:10 (d) 3:10
  24. 24.What time was it 55 minutes before 4:35? (a) 3:50 (b) 4:40 (c) 3:40 (d) 2:40
  25. 25.What time will it be 40 minutes after 9:30? (a) 10:10 (b) 10:00 (c) 11:10 (d) 9:10
  26. 26.What time was it 25 minutes before 11:50? (a) 10:25 (b) 11:25 (c) 12:25 (d) 11:35
  27. 27.What time was it 25 minutes before 7:00? (a) 5:35 (b) 7:35 (c) 6:45 (d) 6:35
  28. 28.What time will it be 25 minutes after 6:15? (a) 6:30 (b) 5:40 (c) 7:40 (d) 6:40
  29. 29.What time was it 20 minutes before 7:50? (a) 6:30 (b) 7:40 (c) 7:30 (d) 8:30
  30. 30.What time was it 45 minutes before 8:00? (a) 6:15 (b) 8:15 (c) 7:25 (d) 7:15
  31. 31.What time was it 20 minutes before 4:05? (a) 4:45 (b) 3:55 (c) 2:45 (d) 3:45
  32. 32.A film starts at 4:45 and ends at 6:15. How long is the film? (a) 2 h 30 min (b) 30 min (c) 1 h 30 min (d) 1 h 40 min
  33. 33.A film starts at 8:00 and ends at 10:40. How long is the film? (a) 1 h 40 min (b) 3 h 40 min (c) 2 h 50 min (d) 2 h 40 min
  34. 34.What time was it 15 minutes before 9:55? (a) 9:50 (b) 8:40 (c) 10:40 (d) 9:40
  35. 35.A film starts at 4:20 and ends at 6:25. How long is the film? (a) 2 h 15 min (b) 2 h 5 min (c) 3 h 5 min (d) 1 h 5 min
  36. 36.What time will it be 35 minutes after 1:55? (a) 2:20 (b) 2:30 (c) 3:30 (d) 1:30
  37. 37.What time was it 45 minutes before 9:25? (a) 8:40 (b) 9:40 (c) 8:50 (d) 7:40
  38. 38.What time was it 45 minutes before 2:45? (a) 1:00 (b) 3:00 (c) 2:00 (d) 2:10
  39. 39.What time will it be 20 minutes after 3:45? (a) 3:55 (b) 4:05 (c) 5:05 (d) 3:05
  40. 40.What time was it 50 minutes before 8:40? (a) 7:50 (b) 6:50 (c) 8:50 (d) 8:00

Answer key

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

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