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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 450 · 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 40 minutes after 4:00? (a) 4:40 (b) 5:40 (c) 3:40 (d) 4:30
  2. 2.A film starts at 1:00 and ends at 2:10. How long is the film? (a) 2 h 10 min (b) 10 min (c) 1 h 20 min (d) 1 h 10 min
  3. 3.What time was it 20 minutes before 11:35? (a) 11:15 (b) 10:15 (c) 11:25 (d) 12:15
  4. 4.A film starts at 8:00 and ends at 9:35. How long is the film? (a) 35 min (b) 2 h 35 min (c) 1 h 45 min (d) 1 h 35 min
  5. 5.A film starts at 2:35 and ends at 4:50. How long is the film? (a) 2 h 25 min (b) 1 h 15 min (c) 2 h 15 min (d) 3 h 15 min
  6. 6.A film starts at 3:40 and ends at 4:40. How long is the film? (a) 2 h (b) 1 h (c) 1 h 10 min (d) 50 min
  7. 7.What time will it be 55 minutes after 8:00? (a) 7:55 (b) 8:45 (c) 9:55 (d) 8:55
  8. 8.A film starts at 4:50 and ends at 5:50. How long is the film? (a) 2 h (b) 50 min (c) 1 h (d) 1 h 10 min
  9. 9.A film starts at 6:40 and ends at 7:50. How long is the film? (a) 1 h 20 min (b) 2 h 10 min (c) 1 h 10 min (d) 10 min
  10. 10.What time was it 35 minutes before 11:30? (a) 11:55 (b) 11:05 (c) 9:55 (d) 10:55
  11. 11.What time will it be 35 minutes after 1:50? (a) 1:25 (b) 2:15 (c) 2:25 (d) 3:25
  12. 12.What time will it be 25 minutes after 9:10? (a) 10:35 (b) 9:25 (c) 8:35 (d) 9:35
  13. 13.What time will it be 40 minutes after 10:05? (a) 11:45 (b) 10:35 (c) 10:45 (d) 9:45
  14. 14.What time will it be 20 minutes after 1:15? (a) 2:35 (b) 1:35 (c) 1:25 (d) 1:45
  15. 15.What time was it 50 minutes before 11:00? (a) 9:10 (b) 11:10 (c) 10:20 (d) 10:10
  16. 16.What time will it be 55 minutes after 4:10? (a) 4:05 (b) 4:55 (c) 6:05 (d) 5:05
  17. 17.What time will it be 30 minutes after 8:15? (a) 8:35 (b) 7:45 (c) 8:45 (d) 9:45
  18. 18.What time was it 20 minutes before 3:55? (a) 2:35 (b) 4:35 (c) 3:45 (d) 3:35
  19. 19.What time will it be 55 minutes after 1:35? (a) 2:20 (b) 3:30 (c) 2:30 (d) 1:30
  20. 20.A film starts at 5:10 and ends at 6:25. How long is the film? (a) 1 h 25 min (b) 15 min (c) 1 h 15 min (d) 2 h 15 min
  21. 21.A film starts at 8:10 and ends at 9:00. How long is the film? (a) 1 h (b) 1 h 50 min (c) 40 min (d) 50 min
  22. 22.What time was it 20 minutes before 6:25? (a) 7:05 (b) 5:05 (c) 6:15 (d) 6:05
  23. 23.A film starts at 6:40 and ends at 8:35. How long is the film? (a) 1 h 55 min (b) 55 min (c) 2 h 55 min (d) 2 h 5 min
  24. 24.What time was it 50 minutes before 2:10? (a) 1:10 (b) 1:30 (c) 1:20 (d) 2:20
  25. 25.What time was it 50 minutes before 6:10? (a) 5:20 (b) 4:20 (c) 6:20 (d) 5:30
  26. 26.What time was it 50 minutes before 11:55? (a) 10:05 (b) 11:05 (c) 12:05 (d) 11:15
  27. 27.What time will it be 15 minutes after 9:35? (a) 10:50 (b) 9:40 (c) 8:50 (d) 9:50
  28. 28.What time was it 35 minutes before 9:05? (a) 7:30 (b) 8:40 (c) 9:30 (d) 8:30
  29. 29.What time will it be 55 minutes after 4:00? (a) 4:45 (b) 3:55 (c) 4:55 (d) 5:55
  30. 30.A film starts at 6:45 and ends at 9:10. How long is the film? (a) 2 h 25 min (b) 3 h 25 min (c) 1 h 25 min (d) 2 h 35 min
  31. 31.What time will it be 15 minutes after 9:20? (a) 8:35 (b) 10:35 (c) 9:35 (d) 9:25
  32. 32.A film starts at 4:05 and ends at 5:10. How long is the film? (a) 1 h 5 min (b) 5 min (c) 2 h 5 min (d) 1 h 15 min
  33. 33.A film starts at 2:35 and ends at 3:05. How long is the film? (a) 40 min (b) 30 min (c) 1 h 30 min (d) 20 min
  34. 34.What time was it 20 minutes before 2:00? (a) 1:30 (b) 1:50 (c) 2:40 (d) 1:40
  35. 35.What time was it 30 minutes before 7:35? (a) 7:15 (b) 8:05 (c) 6:05 (d) 7:05
  36. 36.What time will it be 15 minutes after 8:40? (a) 7:55 (b) 9:55 (c) 8:45 (d) 8:55
  37. 37.What time was it 15 minutes before 4:45? (a) 5:30 (b) 4:40 (c) 3:30 (d) 4:30
  38. 38.What time will it be 20 minutes after 2:50? (a) 2:10 (b) 4:10 (c) 3:00 (d) 3:10
  39. 39.What time will it be 15 minutes after 2:30? (a) 1:45 (b) 2:35 (c) 3:45 (d) 2:45
  40. 40.A film starts at 4:15 and ends at 6:20. How long is the film? (a) 2 h 5 min (b) 1 h 5 min (c) 3 h 5 min (d) 2 h 15 min

Answer key

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

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