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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 356 · 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 2:05 and ends at 3:00. How long is the film? (a) 1 h 55 min (b) 55 min (c) 1 h 5 min (d) 45 min
  2. 2.What time was it 40 minutes before 8:50? (a) 9:10 (b) 8:10 (c) 8:20 (d) 7:10
  3. 3.A film starts at 1:30 and ends at 2:15. How long is the film? (a) 35 min (b) 45 min (c) 1 h 45 min (d) 55 min
  4. 4.What time was it 45 minutes before 7:20? (a) 5:35 (b) 6:45 (c) 6:35 (d) 7:35
  5. 5.What time will it be 45 minutes after 9:45? (a) 10:30 (b) 10:20 (c) 9:30 (d) 11:30
  6. 6.What time was it 15 minutes before 6:05? (a) 4:50 (b) 5:50 (c) 6:50 (d) 6:00
  7. 7.What time will it be 35 minutes after 5:15? (a) 4:50 (b) 6:50 (c) 5:50 (d) 5:40
  8. 8.What time was it 40 minutes before 11:15? (a) 11:35 (b) 10:45 (c) 9:35 (d) 10:35
  9. 9.What time will it be 45 minutes after 8:15? (a) 9:00 (b) 8:50 (c) 8:00 (d) 10:00
  10. 10.What time will it be 25 minutes after 1:25? (a) 2:50 (b) 1:50 (c) 1:40 (d) 2:00
  11. 11.What time was it 35 minutes before 10:45? (a) 10:20 (b) 10:10 (c) 11:10 (d) 9:10
  12. 12.What time will it be 15 minutes after 10:10? (a) 9:25 (b) 10:15 (c) 10:25 (d) 11:25
  13. 13.What time will it be 30 minutes after 4:15? (a) 5:45 (b) 4:45 (c) 4:35 (d) 3:45
  14. 14.A film starts at 1:15 and ends at 1:55. How long is the film? (a) 1 h 40 min (b) 30 min (c) 50 min (d) 40 min
  15. 15.What time will it be 40 minutes after 9:10? (a) 9:50 (b) 9:40 (c) 8:50 (d) 10:50
  16. 16.What time will it be 15 minutes after 2:05? (a) 3:20 (b) 2:10 (c) 2:20 (d) 1:20
  17. 17.What time was it 35 minutes before 6:00? (a) 5:35 (b) 6:25 (c) 5:25 (d) 4:25
  18. 18.A film starts at 3:00 and ends at 5:40. 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
  19. 19.What time will it be 25 minutes after 3:05? (a) 2:30 (b) 4:30 (c) 3:20 (d) 3:30
  20. 20.What time was it 45 minutes before 2:40? (a) 1:55 (b) 2:55 (c) 2:05 (d) 1:45
  21. 21.What time will it be 50 minutes after 5:35? (a) 5:25 (b) 6:15 (c) 6:25 (d) 7:25
  22. 22.What time will it be 40 minutes after 7:45? (a) 8:15 (b) 7:25 (c) 9:25 (d) 8:25
  23. 23.What time was it 50 minutes before 3:10? (a) 3:20 (b) 1:20 (c) 2:30 (d) 2:20
  24. 24.A film starts at 1:25 and ends at 1:50. How long is the film? (a) 25 min (b) 35 min (c) 1 h 25 min (d) 15 min
  25. 25.What time was it 30 minutes before 8:10? (a) 8:40 (b) 6:40 (c) 7:40 (d) 7:50
  26. 26.What time will it be 25 minutes after 7:15? (a) 7:30 (b) 8:40 (c) 7:40 (d) 6:40
  27. 27.A film starts at 1:55 and ends at 2:20. How long is the film? (a) 25 min (b) 1 h 25 min (c) 15 min (d) 35 min
  28. 28.What time was it 40 minutes before 3:50? (a) 3:10 (b) 2:10 (c) 3:20 (d) 4:10
  29. 29.A film starts at 2:30 and ends at 3:05. How long is the film? (a) 35 min (b) 1 h 35 min (c) 45 min (d) 25 min
  30. 30.A film starts at 8:00 and ends at 9:10. How long is the film? (a) 1 h 10 min (b) 1 h 20 min (c) 2 h 10 min (d) 10 min
  31. 31.What time will it be 15 minutes after 7:50? (a) 7:55 (b) 7:05 (c) 8:05 (d) 9:05
  32. 32.What time will it be 20 minutes after 7:05? (a) 6:25 (b) 8:25 (c) 7:15 (d) 7:25
  33. 33.What time will it be 15 minutes after 4:45? (a) 4:50 (b) 6:00 (c) 5:00 (d) 4:00
  34. 34.What time was it 40 minutes before 7:55? (a) 7:15 (b) 8:15 (c) 7:25 (d) 6:15
  35. 35.What time will it be 30 minutes after 9:15? (a) 10:45 (b) 9:35 (c) 9:45 (d) 8:45
  36. 36.What time will it be 40 minutes after 8:25? (a) 10:05 (b) 9:05 (c) 8:05 (d) 8:55
  37. 37.A film starts at 8:40 and ends at 9:20. How long is the film? (a) 1 h 40 min (b) 50 min (c) 30 min (d) 40 min
  38. 38.What time was it 20 minutes before 6:15? (a) 6:55 (b) 4:55 (c) 5:55 (d) 6:05
  39. 39.What time was it 35 minutes before 4:50? (a) 4:15 (b) 5:15 (c) 3:15 (d) 4:25
  40. 40.What time will it be 55 minutes after 2:35? (a) 3:20 (b) 3:30 (c) 2:30 (d) 4:30

Answer key

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

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