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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 667 · 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 8:20 and ends at 10:35. How long is the film? (a) 3 h 15 min (b) 2 h 25 min (c) 2 h 15 min (d) 1 h 15 min
  2. 2.What time was it 40 minutes before 10:45? (a) 10:05 (b) 11:05 (c) 9:05 (d) 10:15
  3. 3.What time will it be 30 minutes after 4:50? (a) 5:10 (b) 5:20 (c) 6:20 (d) 4:20
  4. 4.What time will it be 35 minutes after 3:20? (a) 2:55 (b) 3:55 (c) 4:55 (d) 3:45
  5. 5.What time was it 20 minutes before 10:35? (a) 11:15 (b) 9:15 (c) 10:15 (d) 10:25
  6. 6.What time was it 20 minutes before 4:00? (a) 2:40 (b) 4:40 (c) 3:40 (d) 3:50
  7. 7.What time will it be 15 minutes after 5:45? (a) 6:00 (b) 5:00 (c) 5:50 (d) 7:00
  8. 8.What time was it 40 minutes before 2:45? (a) 3:05 (b) 2:15 (c) 2:05 (d) 1:05
  9. 9.What time will it be 40 minutes after 1:05? (a) 1:55 (b) 1:45 (c) 2:45 (d) 1:35
  10. 10.What time was it 30 minutes before 3:05? (a) 2:45 (b) 1:35 (c) 3:35 (d) 2:35
  11. 11.What time was it 35 minutes before 2:35? (a) 3:00 (b) 1:00 (c) 2:00 (d) 2:10
  12. 12.A film starts at 8:10 and ends at 9:25. How long is the film? (a) 2 h 15 min (b) 1 h 25 min (c) 15 min (d) 1 h 15 min
  13. 13.A film starts at 8:00 and ends at 8:35. How long is the film? (a) 25 min (b) 45 min (c) 1 h 35 min (d) 35 min
  14. 14.What time was it 30 minutes before 2:10? (a) 1:30 (b) 1:50 (c) 1:40 (d) 2:40
  15. 15.What time will it be 50 minutes after 1:25? (a) 2:05 (b) 2:15 (c) 1:15 (d) 3:15
  16. 16.What time was it 40 minutes before 4:15? (a) 2:35 (b) 3:45 (c) 3:35 (d) 4:35
  17. 17.What time will it be 45 minutes after 1:05? (a) 1:50 (b) 2:00 (c) 1:40 (d) 2:50
  18. 18.A film starts at 3:05 and ends at 4:30. How long is the film? (a) 1 h 25 min (b) 1 h 35 min (c) 25 min (d) 2 h 25 min
  19. 19.What time was it 40 minutes before 4:55? (a) 3:15 (b) 4:25 (c) 5:15 (d) 4:15
  20. 20.What time will it be 25 minutes after 7:10? (a) 7:25 (b) 8:35 (c) 7:35 (d) 6:35
  21. 21.What time will it be 45 minutes after 7:35? (a) 7:20 (b) 9:20 (c) 8:20 (d) 8:10
  22. 22.What time will it be 40 minutes after 7:00? (a) 7:40 (b) 6:40 (c) 7:30 (d) 8:40
  23. 23.A film starts at 8:45 and ends at 11:25. How long is the film? (a) 1 h 40 min (b) 2 h 50 min (c) 2 h 40 min (d) 3 h 40 min
  24. 24.What time will it be 35 minutes after 3:00? (a) 3:25 (b) 3:35 (c) 2:35 (d) 4:35
  25. 25.What time will it be 35 minutes after 2:45? (a) 2:20 (b) 3:10 (c) 4:20 (d) 3:20
  26. 26.What time will it be 35 minutes after 7:55? (a) 7:30 (b) 8:30 (c) 9:30 (d) 8:20
  27. 27.What time will it be 55 minutes after 8:15? (a) 10:10 (b) 9:00 (c) 9:10 (d) 8:10
  28. 28.A film starts at 7:15 and ends at 9:05. How long is the film? (a) 1 h 50 min (b) 2 h (c) 50 min (d) 2 h 50 min
  29. 29.What time will it be 25 minutes after 7:20? (a) 7:35 (b) 6:45 (c) 8:45 (d) 7:45
  30. 30.What time will it be 45 minutes after 1:30? (a) 2:05 (b) 2:15 (c) 1:15 (d) 3:15
  31. 31.What time will it be 50 minutes after 9:40? (a) 10:20 (b) 11:30 (c) 10:30 (d) 9:30
  32. 32.What time was it 15 minutes before 11:15? (a) 12:00 (b) 10:00 (c) 11:10 (d) 11:00
  33. 33.What time will it be 50 minutes after 2:50? (a) 3:30 (b) 2:40 (c) 4:40 (d) 3:40
  34. 34.What time will it be 40 minutes after 3:05? (a) 3:45 (b) 4:45 (c) 3:35 (d) 2:45
  35. 35.What time was it 55 minutes before 8:05? (a) 7:10 (b) 6:10 (c) 7:20 (d) 8:10
  36. 36.What time was it 15 minutes before 4:55? (a) 3:40 (b) 5:40 (c) 4:40 (d) 4:50
  37. 37.A film starts at 6:35 and ends at 8:30. How long is the film? (a) 2 h 55 min (b) 55 min (c) 2 h 5 min (d) 1 h 55 min
  38. 38.A film starts at 2:35 and ends at 4:55. How long is the film? (a) 2 h 30 min (b) 1 h 20 min (c) 3 h 20 min (d) 2 h 20 min
  39. 39.What time was it 15 minutes before 8:05? (a) 8:50 (b) 7:50 (c) 6:50 (d) 8:00
  40. 40.A film starts at 2:25 and ends at 3:35. How long is the film? (a) 1 h 20 min (b) 10 min (c) 2 h 10 min (d) 1 h 10 min

Answer key

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

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