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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 997 · 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 8:05 and ends at 8:30. How long is the film? (a) 15 min (b) 35 min (c) 25 min (d) 1 h 25 min
  2. 2.What time will it be 15 minutes after 7:50? (a) 7:05 (b) 7:55 (c) 8:05 (d) 9:05
  3. 3.What time will it be 25 minutes after 5:45? (a) 6:10 (b) 6:00 (c) 7:10 (d) 5:10
  4. 4.What time will it be 25 minutes after 2:25? (a) 2:50 (b) 3:50 (c) 2:40 (d) 1:50
  5. 5.A film starts at 1:00 and ends at 1:20. How long is the film? (a) 10 min (b) 1 h 20 min (c) 30 min (d) 20 min
  6. 6.A film starts at 7:40 and ends at 10:15. How long is the film? (a) 2 h 45 min (b) 1 h 35 min (c) 3 h 35 min (d) 2 h 35 min
  7. 7.A film starts at 7:55 and ends at 8:35. How long is the film? (a) 40 min (b) 30 min (c) 50 min (d) 1 h 40 min
  8. 8.What time was it 55 minutes before 6:00? (a) 4:05 (b) 5:05 (c) 6:05 (d) 5:15
  9. 9.What time will it be 15 minutes after 7:30? (a) 8:45 (b) 6:45 (c) 7:45 (d) 7:35
  10. 10.What time will it be 15 minutes after 3:30? (a) 2:45 (b) 3:35 (c) 3:45 (d) 4:45
  11. 11.What time will it be 50 minutes after 1:15? (a) 1:05 (b) 1:55 (c) 2:05 (d) 3:05
  12. 12.What time will it be 40 minutes after 8:55? (a) 9:35 (b) 9:25 (c) 8:35 (d) 10:35
  13. 13.What time was it 25 minutes before 9:15? (a) 9:00 (b) 8:50 (c) 9:50 (d) 7:50
  14. 14.A film starts at 8:45 and ends at 9:55. How long is the film? (a) 1 h 10 min (b) 2 h 10 min (c) 1 h 20 min (d) 10 min
  15. 15.What time was it 25 minutes before 3:35? (a) 2:10 (b) 3:20 (c) 3:10 (d) 4:10
  16. 16.What time will it be 20 minutes after 3:15? (a) 2:35 (b) 4:35 (c) 3:35 (d) 3:25
  17. 17.What time will it be 20 minutes after 1:00? (a) 1:10 (b) 2:20 (c) 1:30 (d) 1:20
  18. 18.What time was it 20 minutes before 10:50? (a) 10:30 (b) 9:30 (c) 11:30 (d) 10:40
  19. 19.What time was it 25 minutes before 6:40? (a) 6:15 (b) 6:25 (c) 5:15 (d) 7:15
  20. 20.What time will it be 50 minutes after 6:15? (a) 8:05 (b) 6:05 (c) 6:55 (d) 7:05
  21. 21.What time will it be 25 minutes after 5:05? (a) 4:30 (b) 5:20 (c) 6:30 (d) 5:30
  22. 22.What time was it 40 minutes before 2:30? (a) 1:50 (b) 2:00 (c) 1:40 (d) 2:50
  23. 23.A film starts at 8:55 and ends at 9:50. How long is the film? (a) 45 min (b) 1 h 5 min (c) 1 h 55 min (d) 55 min
  24. 24.A film starts at 2:50 and ends at 4:35. How long is the film? (a) 2 h 45 min (b) 1 h 45 min (c) 45 min (d) 1 h 55 min
  25. 25.What time was it 55 minutes before 9:20? (a) 8:25 (b) 7:25 (c) 9:25 (d) 8:35
  26. 26.What time will it be 25 minutes after 4:30? (a) 4:55 (b) 4:45 (c) 3:55 (d) 5:55
  27. 27.What time will it be 55 minutes after 2:35? (a) 4:30 (b) 3:20 (c) 3:30 (d) 2:30
  28. 28.What time will it be 20 minutes after 3:55? (a) 5:15 (b) 3:15 (c) 4:05 (d) 4:15
  29. 29.What time will it be 20 minutes after 10:45? (a) 10:55 (b) 10:05 (c) 11:05 (d) 12:05
  30. 30.What time was it 20 minutes before 3:25? (a) 3:05 (b) 2:05 (c) 4:05 (d) 3:15
  31. 31.What time was it 45 minutes before 8:55? (a) 8:10 (b) 7:10 (c) 9:10 (d) 8:20
  32. 32.A film starts at 7:20 and ends at 9:45. How long is the film? (a) 1 h 25 min (b) 2 h 35 min (c) 2 h 25 min (d) 3 h 25 min
  33. 33.What time will it be 55 minutes after 9:40? (a) 10:25 (b) 11:35 (c) 10:35 (d) 9:35
  34. 34.A film starts at 2:00 and ends at 3:05. How long is the film? (a) 2 h 5 min (b) 1 h 15 min (c) 1 h 5 min (d) 5 min
  35. 35.What time will it be 20 minutes after 2:00? (a) 1:20 (b) 2:20 (c) 3:20 (d) 2:10
  36. 36.What time was it 35 minutes before 6:30? (a) 5:55 (b) 6:05 (c) 4:55 (d) 6:55
  37. 37.What time will it be 25 minutes after 2:05? (a) 1:30 (b) 3:30 (c) 2:20 (d) 2:30
  38. 38.What time was it 55 minutes before 4:20? (a) 4:25 (b) 2:25 (c) 3:35 (d) 3:25
  39. 39.What time will it be 55 minutes after 2:50? (a) 4:45 (b) 3:35 (c) 2:45 (d) 3:45
  40. 40.A film starts at 6:30 and ends at 9:10. 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

Answer key

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

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