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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 411 · 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 25 minutes before 10:10? (a) 9:45 (b) 9:55 (c) 10:45 (d) 8:45
  2. 2.What time will it be 30 minutes after 7:20? (a) 6:50 (b) 7:40 (c) 7:50 (d) 8:50
  3. 3.What time was it 50 minutes before 3:05? (a) 3:15 (b) 1:15 (c) 2:25 (d) 2:15
  4. 4.What time was it 20 minutes before 11:45? (a) 11:35 (b) 11:25 (c) 10:25 (d) 12:25
  5. 5.What time was it 45 minutes before 11:50? (a) 10:05 (b) 12:05 (c) 11:15 (d) 11:05
  6. 6.What time will it be 55 minutes after 2:30? (a) 2:25 (b) 4:25 (c) 3:25 (d) 3:15
  7. 7.A film starts at 2:25 and ends at 4:20. How long is the film? (a) 55 min (b) 2 h 5 min (c) 1 h 55 min (d) 2 h 55 min
  8. 8.What time was it 20 minutes before 7:30? (a) 6:10 (b) 8:10 (c) 7:20 (d) 7:10
  9. 9.A film starts at 6:05 and ends at 8:50. How long is the film? (a) 2 h 55 min (b) 2 h 45 min (c) 3 h 45 min (d) 1 h 45 min
  10. 10.A film starts at 5:05 and ends at 6:15. How long is the film? (a) 2 h 10 min (b) 10 min (c) 1 h 10 min (d) 1 h 20 min
  11. 11.A film starts at 4:25 and ends at 7:05. How long is the film? (a) 3 h 40 min (b) 2 h 40 min (c) 1 h 40 min (d) 2 h 50 min
  12. 12.What time will it be 50 minutes after 7:00? (a) 7:40 (b) 6:50 (c) 8:50 (d) 7:50
  13. 13.What time will it be 20 minutes after 6:45? (a) 6:05 (b) 8:05 (c) 7:05 (d) 6:55
  14. 14.What time was it 25 minutes before 4:20? (a) 4:55 (b) 3:55 (c) 2:55 (d) 4:05
  15. 15.What time was it 15 minutes before 7:10? (a) 7:05 (b) 7:55 (c) 5:55 (d) 6:55
  16. 16.What time was it 25 minutes before 11:05? (a) 9:40 (b) 10:50 (c) 10:40 (d) 11:40
  17. 17.What time will it be 35 minutes after 1:45? (a) 2:10 (b) 1:20 (c) 3:20 (d) 2:20
  18. 18.What time will it be 20 minutes after 1:20? (a) 1:30 (b) 1:50 (c) 2:40 (d) 1:40
  19. 19.What time will it be 30 minutes after 7:40? (a) 8:10 (b) 7:10 (c) 8:00 (d) 9:10
  20. 20.What time will it be 40 minutes after 2:10? (a) 1:50 (b) 3:50 (c) 2:40 (d) 2:50
  21. 21.A film starts at 7:20 and ends at 9:40. How long is the film? (a) 2 h 30 min (b) 3 h 20 min (c) 1 h 20 min (d) 2 h 20 min
  22. 22.What time was it 20 minutes before 7:20? (a) 8:00 (b) 6:00 (c) 7:10 (d) 7:00
  23. 23.What time was it 55 minutes before 10:05? (a) 8:10 (b) 9:20 (c) 9:10 (d) 10:10
  24. 24.What time was it 50 minutes before 11:45? (a) 10:55 (b) 11:55 (c) 9:55 (d) 11:05
  25. 25.What time will it be 45 minutes after 3:25? (a) 4:00 (b) 4:10 (c) 3:10 (d) 5:10
  26. 26.What time was it 20 minutes before 2:15? (a) 1:45 (b) 1:55 (c) 2:55 (d) 2:05
  27. 27.What time was it 40 minutes before 11:45? (a) 11:15 (b) 10:05 (c) 12:05 (d) 11:05
  28. 28.A film starts at 5:30 and ends at 7:55. How long is the film? (a) 1 h 25 min (b) 2 h 25 min (c) 3 h 25 min (d) 2 h 35 min
  29. 29.What time will it be 25 minutes after 7:30? (a) 7:55 (b) 8:55 (c) 7:45 (d) 6:55
  30. 30.What time will it be 25 minutes after 2:10? (a) 3:35 (b) 2:35 (c) 1:35 (d) 2:25
  31. 31.A film starts at 5:40 and ends at 6:20. How long is the film? (a) 1 h 40 min (b) 50 min (c) 30 min (d) 40 min
  32. 32.What time will it be 45 minutes after 8:55? (a) 10:40 (b) 8:40 (c) 9:40 (d) 9:30
  33. 33.A film starts at 6:50 and ends at 7:15. How long is the film? (a) 35 min (b) 15 min (c) 1 h 25 min (d) 25 min
  34. 34.A film starts at 7:25 and ends at 8:40. How long is the film? (a) 2 h 15 min (b) 15 min (c) 1 h 25 min (d) 1 h 15 min
  35. 35.What time was it 45 minutes before 9:40? (a) 9:05 (b) 8:55 (c) 7:55 (d) 9:55
  36. 36.What time was it 15 minutes before 3:50? (a) 3:45 (b) 3:35 (c) 2:35 (d) 4:35
  37. 37.What time will it be 15 minutes after 4:15? (a) 4:30 (b) 4:20 (c) 5:30 (d) 3:30
  38. 38.A film starts at 2:55 and ends at 3:30. How long is the film? (a) 25 min (b) 1 h 35 min (c) 45 min (d) 35 min
  39. 39.A film starts at 4:05 and ends at 4:35. How long is the film? (a) 1 h 30 min (b) 20 min (c) 30 min (d) 40 min
  40. 40.A film starts at 1:05 and ends at 2:00. How long is the film? (a) 1 h 55 min (b) 1 h 5 min (c) 55 min (d) 45 min

Answer key

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

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