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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 563 · 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 1:15 and ends at 3:50. How long is the film? (a) 3 h 35 min (b) 2 h 35 min (c) 1 h 35 min (d) 2 h 45 min
  2. 2.What time was it 20 minutes before 3:30? (a) 3:20 (b) 2:10 (c) 4:10 (d) 3:10
  3. 3.What time will it be 25 minutes after 10:30? (a) 11:55 (b) 9:55 (c) 10:55 (d) 10:45
  4. 4.What time will it be 50 minutes after 10:05? (a) 11:55 (b) 9:55 (c) 10:55 (d) 10:45
  5. 5.What time was it 30 minutes before 10:45? (a) 9:15 (b) 10:15 (c) 10:25 (d) 11:15
  6. 6.What time will it be 50 minutes after 9:15? (a) 9:05 (b) 11:05 (c) 9:55 (d) 10:05
  7. 7.What time was it 25 minutes before 10:25? (a) 11:00 (b) 9:00 (c) 10:10 (d) 10:00
  8. 8.What time was it 50 minutes before 8:50? (a) 7:00 (b) 9:00 (c) 8:00 (d) 8:10
  9. 9.A film starts at 3:25 and ends at 6:00. How long is the film? (a) 3 h 35 min (b) 2 h 35 min (c) 1 h 35 min (d) 2 h 45 min
  10. 10.A film starts at 2:20 and ends at 3:50. How long is the film? (a) 1 h 40 min (b) 1 h 30 min (c) 30 min (d) 2 h 30 min
  11. 11.What time will it be 45 minutes after 8:30? (a) 9:05 (b) 9:15 (c) 8:15 (d) 10:15
  12. 12.What time will it be 50 minutes after 2:05? (a) 2:55 (b) 1:55 (c) 2:45 (d) 3:55
  13. 13.What time was it 25 minutes before 5:10? (a) 5:45 (b) 3:45 (c) 4:45 (d) 4:55
  14. 14.What time will it be 30 minutes after 3:30? (a) 3:50 (b) 3:00 (c) 4:00 (d) 5:00
  15. 15.What time was it 40 minutes before 2:50? (a) 2:10 (b) 2:20 (c) 3:10 (d) 1:10
  16. 16.What time will it be 40 minutes after 4:25? (a) 6:05 (b) 5:05 (c) 4:05 (d) 4:55
  17. 17.A film starts at 3:25 and ends at 6:20. How long is the film? (a) 3 h 55 min (b) 1 h 55 min (c) 2 h 55 min (d) 3 h 5 min
  18. 18.What time was it 15 minutes before 8:10? (a) 8:05 (b) 6:55 (c) 7:55 (d) 8:55
  19. 19.What time was it 35 minutes before 9:05? (a) 8:30 (b) 7:30 (c) 8:40 (d) 9:30
  20. 20.A film starts at 5:10 and ends at 6:55. How long is the film? (a) 2 h 45 min (b) 1 h 55 min (c) 1 h 45 min (d) 45 min
  21. 21.A film starts at 6:40 and ends at 9:10. How long is the film? (a) 2 h 40 min (b) 2 h 30 min (c) 1 h 30 min (d) 3 h 30 min
  22. 22.What time was it 30 minutes before 6:10? (a) 6:40 (b) 5:40 (c) 4:40 (d) 5:50
  23. 23.What time will it be 30 minutes after 1:25? (a) 2:55 (b) 2:05 (c) 1:55 (d) 1:45
  24. 24.What time will it be 25 minutes after 4:00? (a) 4:15 (b) 4:25 (c) 3:25 (d) 5:25
  25. 25.What time will it be 25 minutes after 10:05? (a) 10:30 (b) 11:30 (c) 9:30 (d) 10:20
  26. 26.What time will it be 55 minutes after 3:40? (a) 4:25 (b) 3:35 (c) 4:35 (d) 5:35
  27. 27.What time was it 55 minutes before 8:35? (a) 8:40 (b) 7:50 (c) 6:40 (d) 7:40
  28. 28.What time was it 25 minutes before 3:55? (a) 3:40 (b) 2:30 (c) 3:30 (d) 4:30
  29. 29.What time was it 30 minutes before 10:30? (a) 11:00 (b) 9:00 (c) 10:00 (d) 10:10
  30. 30.What time will it be 50 minutes after 3:00? (a) 2:50 (b) 4:50 (c) 3:50 (d) 3:40
  31. 31.What time will it be 50 minutes after 8:00? (a) 8:50 (b) 8:40 (c) 9:50 (d) 7:50
  32. 32.What time will it be 20 minutes after 4:00? (a) 3:20 (b) 5:20 (c) 4:20 (d) 4:10
  33. 33.A film starts at 6:15 and ends at 8:40. How long is the film? (a) 2 h 25 min (b) 3 h 25 min (c) 1 h 25 min (d) 2 h 35 min
  34. 34.What time was it 55 minutes before 8:30? (a) 7:45 (b) 8:35 (c) 7:35 (d) 6:35
  35. 35.A film starts at 2:35 and ends at 2:55. How long is the film? (a) 20 min (b) 30 min (c) 10 min (d) 1 h 20 min
  36. 36.A film starts at 3:30 and ends at 3:55. How long is the film? (a) 15 min (b) 25 min (c) 1 h 25 min (d) 35 min
  37. 37.What time will it be 45 minutes after 2:15? (a) 3:00 (b) 4:00 (c) 2:50 (d) 2:00
  38. 38.What time was it 15 minutes before 3:25? (a) 3:10 (b) 4:10 (c) 3:20 (d) 2:10
  39. 39.What time will it be 50 minutes after 2:35? (a) 3:25 (b) 4:25 (c) 3:15 (d) 2:25
  40. 40.What time was it 25 minutes before 8:25? (a) 8:10 (b) 8:00 (c) 9:00 (d) 7:00

Answer key

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

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