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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 555 · 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 1:20 and ends at 1:50. How long is the film? (a) 20 min (b) 30 min (c) 40 min (d) 1 h 30 min
  2. 2.What time will it be 40 minutes after 10:25? (a) 11:05 (b) 10:55 (c) 10:05 (d) 12:05
  3. 3.What time will it be 45 minutes after 1:50? (a) 1:35 (b) 2:35 (c) 3:35 (d) 2:25
  4. 4.What time will it be 15 minutes after 3:10? (a) 2:25 (b) 4:25 (c) 3:15 (d) 3:25
  5. 5.What time will it be 35 minutes after 6:10? (a) 6:35 (b) 6:45 (c) 7:45 (d) 5:45
  6. 6.What time was it 15 minutes before 5:20? (a) 4:05 (b) 5:15 (c) 5:05 (d) 6:05
  7. 7.A film starts at 3:30 and ends at 4:45. How long is the film? (a) 1 h 25 min (b) 2 h 15 min (c) 15 min (d) 1 h 15 min
  8. 8.What time will it be 25 minutes after 5:50? (a) 7:15 (b) 6:05 (c) 6:15 (d) 5:15
  9. 9.A film starts at 2:45 and ends at 4:30. How long is the film? (a) 1 h 45 min (b) 1 h 55 min (c) 45 min (d) 2 h 45 min
  10. 10.What time will it be 55 minutes after 9:50? (a) 9:45 (b) 11:45 (c) 10:35 (d) 10:45
  11. 11.What time was it 45 minutes before 10:35? (a) 9:50 (b) 10:00 (c) 10:50 (d) 8:50
  12. 12.A film starts at 2:05 and ends at 3:00. How long is the film? (a) 45 min (b) 55 min (c) 1 h 5 min (d) 1 h 55 min
  13. 13.A film starts at 8:20 and ends at 10:00. How long is the film? (a) 1 h 50 min (b) 2 h 40 min (c) 40 min (d) 1 h 40 min
  14. 14.What time was it 50 minutes before 4:45? (a) 2:55 (b) 3:55 (c) 4:55 (d) 4:05
  15. 15.A film starts at 1:15 and ends at 4:00. How long is the film? (a) 2 h 45 min (b) 1 h 45 min (c) 3 h 45 min (d) 2 h 55 min
  16. 16.A film starts at 1:25 and ends at 2:05. How long is the film? (a) 40 min (b) 30 min (c) 50 min (d) 1 h 40 min
  17. 17.A film starts at 5:50 and ends at 8:00. How long is the film? (a) 1 h 10 min (b) 3 h 10 min (c) 2 h 10 min (d) 2 h 20 min
  18. 18.A film starts at 4:55 and ends at 7:50. How long is the film? (a) 1 h 55 min (b) 3 h 55 min (c) 2 h 55 min (d) 3 h 5 min
  19. 19.What time was it 40 minutes before 11:10? (a) 9:30 (b) 11:30 (c) 10:40 (d) 10:30
  20. 20.What time will it be 40 minutes after 3:10? (a) 4:50 (b) 3:50 (c) 2:50 (d) 3:40
  21. 21.A film starts at 2:30 and ends at 5:15. How long is the film? (a) 1 h 45 min (b) 3 h 45 min (c) 2 h 55 min (d) 2 h 45 min
  22. 22.What time was it 55 minutes before 3:05? (a) 2:20 (b) 2:10 (c) 3:10 (d) 1:10
  23. 23.What time was it 15 minutes before 2:55? (a) 2:50 (b) 2:40 (c) 1:40 (d) 3:40
  24. 24.A film starts at 3:45 and ends at 6:25. How long is the film? (a) 3 h 40 min (b) 2 h 50 min (c) 2 h 40 min (d) 1 h 40 min
  25. 25.What time will it be 50 minutes after 8:15? (a) 8:05 (b) 9:05 (c) 8:55 (d) 10:05
  26. 26.What time was it 55 minutes before 2:05? (a) 2:10 (b) 1:20 (c) 1:00 (d) 1:10
  27. 27.What time will it be 50 minutes after 1:25? (a) 3:15 (b) 1:15 (c) 2:05 (d) 2:15
  28. 28.What time was it 20 minutes before 8:40? (a) 7:20 (b) 8:20 (c) 9:20 (d) 8:30
  29. 29.What time will it be 35 minutes after 6:30? (a) 8:05 (b) 7:05 (c) 6:55 (d) 6:05
  30. 30.What time will it be 25 minutes after 4:20? (a) 3:45 (b) 4:45 (c) 5:45 (d) 4:35
  31. 31.A film starts at 3:25 and ends at 3:45. How long is the film? (a) 10 min (b) 30 min (c) 1 h 20 min (d) 20 min
  32. 32.What time will it be 15 minutes after 3:45? (a) 5:00 (b) 3:50 (c) 3:00 (d) 4:00
  33. 33.What time was it 15 minutes before 8:10? (a) 8:05 (b) 6:55 (c) 7:55 (d) 8:55
  34. 34.A film starts at 4:10 and ends at 5:00. How long is the film? (a) 40 min (b) 1 h (c) 1 h 50 min (d) 50 min
  35. 35.A film starts at 7:20 and ends at 9:25. How long is the film? (a) 1 h 5 min (b) 2 h 5 min (c) 3 h 5 min (d) 2 h 15 min
  36. 36.What time was it 20 minutes before 3:00? (a) 3:40 (b) 2:50 (c) 1:40 (d) 2:40
  37. 37.What time was it 35 minutes before 3:20? (a) 2:55 (b) 2:45 (c) 3:45 (d) 1:45
  38. 38.What time was it 35 minutes before 6:05? (a) 5:40 (b) 6:30 (c) 5:30 (d) 4:30
  39. 39.What time will it be 15 minutes after 1:45? (a) 1:50 (b) 2:00 (c) 3:00 (d) 1:00
  40. 40.What time was it 40 minutes before 6:45? (a) 6:15 (b) 6:05 (c) 5:05 (d) 7:05

Answer key

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

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