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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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