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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 141 · 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 will it be 15 minutes after 10:35? (a) 10:50 (b) 9:50 (c) 10:40 (d) 11:50
  2. 2.A film starts at 4:55 and ends at 6:30. How long is the film? (a) 1 h 45 min (b) 35 min (c) 2 h 35 min (d) 1 h 35 min
  3. 3.A film starts at 8:05 and ends at 8:35. How long is the film? (a) 20 min (b) 40 min (c) 1 h 30 min (d) 30 min
  4. 4.A film starts at 4:55 and ends at 5:50. How long is the film? (a) 1 h 55 min (b) 1 h 5 min (c) 55 min (d) 45 min
  5. 5.A film starts at 6:05 and ends at 9:05. How long is the film? (a) 4 h (b) 2 h (c) 3 h 10 min (d) 3 h
  6. 6.What time will it be 15 minutes after 1:15? (a) 1:40 (b) 2:30 (c) 1:30 (d) 1:20
  7. 7.What time will it be 45 minutes after 3:30? (a) 5:15 (b) 4:05 (c) 3:15 (d) 4:15
  8. 8.What time was it 50 minutes before 6:50? (a) 5:00 (b) 6:00 (c) 7:00 (d) 6:10
  9. 9.A film starts at 3:10 and ends at 4:00. How long is the film? (a) 1 h (b) 40 min (c) 50 min (d) 1 h 50 min
  10. 10.What time will it be 20 minutes after 6:45? (a) 6:55 (b) 6:05 (c) 8:05 (d) 7:05
  11. 11.What time will it be 20 minutes after 6:25? (a) 5:45 (b) 7:45 (c) 6:35 (d) 6:45
  12. 12.What time will it be 15 minutes after 7:50? (a) 7:05 (b) 7:55 (c) 9:05 (d) 8:05
  13. 13.What time will it be 15 minutes after 5:55? (a) 5:10 (b) 6:10 (c) 6:00 (d) 7:10
  14. 14.What time was it 45 minutes before 8:40? (a) 8:55 (b) 8:05 (c) 6:55 (d) 7:55
  15. 15.What time was it 20 minutes before 6:05? (a) 4:45 (b) 5:45 (c) 6:45 (d) 5:55
  16. 16.What time will it be 45 minutes after 2:25? (a) 4:10 (b) 2:10 (c) 3:00 (d) 3:10
  17. 17.What time was it 15 minutes before 3:55? (a) 2:40 (b) 4:40 (c) 3:40 (d) 3:50
  18. 18.A film starts at 4:05 and ends at 6:20. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 2 h 25 min (d) 3 h 15 min
  19. 19.A film starts at 2:05 and ends at 3:00. How long is the film? (a) 1 h 5 min (b) 55 min (c) 1 h 55 min (d) 45 min
  20. 20.What time was it 50 minutes before 2:20? (a) 1:40 (b) 2:30 (c) 1:30 (d) 1:20
  21. 21.What time will it be 55 minutes after 1:45? (a) 1:40 (b) 3:40 (c) 2:40 (d) 2:30
  22. 22.What time will it be 35 minutes after 9:40? (a) 10:05 (b) 9:15 (c) 10:15 (d) 11:15
  23. 23.A film starts at 8:40 and ends at 9:05. How long is the film? (a) 15 min (b) 1 h 25 min (c) 25 min (d) 35 min
  24. 24.What time will it be 30 minutes after 1:35? (a) 3:05 (b) 2:05 (c) 1:55 (d) 1:05
  25. 25.A film starts at 3:35 and ends at 6:05. How long is the film? (a) 2 h 30 min (b) 2 h 40 min (c) 3 h 30 min (d) 1 h 30 min
  26. 26.What time was it 30 minutes before 9:05? (a) 9:35 (b) 8:35 (c) 8:45 (d) 7:35
  27. 27.What time will it be 15 minutes after 2:25? (a) 1:40 (b) 3:40 (c) 2:30 (d) 2:40
  28. 28.What time will it be 30 minutes after 4:50? (a) 5:20 (b) 6:20 (c) 5:10 (d) 4:20
  29. 29.A film starts at 1:15 and ends at 2:15. How long is the film? (a) 1 h 10 min (b) 1 h (c) 50 min (d) 2 h
  30. 30.A film starts at 6:35 and ends at 7:05. How long is the film? (a) 1 h 30 min (b) 30 min (c) 40 min (d) 20 min
  31. 31.What time was it 50 minutes before 10:25? (a) 9:45 (b) 9:35 (c) 8:35 (d) 10:35
  32. 32.A film starts at 5:10 and ends at 6:50. How long is the film? (a) 2 h 40 min (b) 40 min (c) 1 h 50 min (d) 1 h 40 min
  33. 33.A film starts at 1:50 and ends at 3:55. How long is the film? (a) 1 h 5 min (b) 2 h 5 min (c) 2 h 15 min (d) 3 h 5 min
  34. 34.What time was it 50 minutes before 10:45? (a) 9:55 (b) 10:55 (c) 10:05 (d) 8:55
  35. 35.A film starts at 7:50 and ends at 8:20. How long is the film? (a) 1 h 30 min (b) 30 min (c) 20 min (d) 40 min
  36. 36.What time was it 15 minutes before 7:45? (a) 7:40 (b) 8:30 (c) 7:30 (d) 6:30
  37. 37.What time will it be 15 minutes after 2:15? (a) 3:30 (b) 2:20 (c) 1:30 (d) 2:30
  38. 38.What time will it be 20 minutes after 5:50? (a) 6:00 (b) 7:10 (c) 5:10 (d) 6:10
  39. 39.What time was it 45 minutes before 3:05? (a) 3:20 (b) 2:30 (c) 1:20 (d) 2:20
  40. 40.What time was it 25 minutes before 6:25? (a) 5:00 (b) 6:00 (c) 6:10 (d) 7:00

Answer key

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

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