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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 346 · 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 6:15 and ends at 9:05. How long is the film? (a) 1 h 50 min (b) 3 h (c) 3 h 50 min (d) 2 h 50 min
  2. 2.A film starts at 6:45 and ends at 9:05. How long is the film? (a) 1 h 20 min (b) 3 h 20 min (c) 2 h 30 min (d) 2 h 20 min
  3. 3.What time will it be 45 minutes after 5:35? (a) 7:20 (b) 5:20 (c) 6:20 (d) 6:10
  4. 4.What time will it be 25 minutes after 5:35? (a) 7:00 (b) 6:00 (c) 5:50 (d) 5:00
  5. 5.What time was it 35 minutes before 2:05? (a) 1:30 (b) 1:20 (c) 1:40 (d) 2:30
  6. 6.What time was it 35 minutes before 3:55? (a) 4:20 (b) 3:20 (c) 3:30 (d) 2:20
  7. 7.What time will it be 40 minutes after 8:50? (a) 9:20 (b) 8:30 (c) 9:30 (d) 10:30
  8. 8.What time was it 30 minutes before 9:50? (a) 9:30 (b) 8:20 (c) 10:20 (d) 9:20
  9. 9.What time was it 55 minutes before 9:50? (a) 9:55 (b) 8:55 (c) 7:55 (d) 9:05
  10. 10.What time will it be 45 minutes after 7:55? (a) 9:40 (b) 8:30 (c) 7:40 (d) 8:40
  11. 11.What time will it be 45 minutes after 9:40? (a) 11:25 (b) 10:25 (c) 9:25 (d) 10:15
  12. 12.What time will it be 15 minutes after 2:05? (a) 1:20 (b) 2:10 (c) 3:20 (d) 2:20
  13. 13.What time will it be 20 minutes after 8:25? (a) 9:45 (b) 7:45 (c) 8:35 (d) 8:45
  14. 14.What time will it be 25 minutes after 2:05? (a) 3:30 (b) 1:30 (c) 2:20 (d) 2:30
  15. 15.What time was it 15 minutes before 10:45? (a) 11:30 (b) 9:30 (c) 10:40 (d) 10:30
  16. 16.A film starts at 1:45 and ends at 2:20. How long is the film? (a) 35 min (b) 45 min (c) 1 h 35 min (d) 25 min
  17. 17.What time was it 30 minutes before 8:55? (a) 8:25 (b) 9:25 (c) 7:25 (d) 8:35
  18. 18.A film starts at 3:55 and ends at 6:45. How long is the film? (a) 3 h (b) 1 h 50 min (c) 3 h 50 min (d) 2 h 50 min
  19. 19.What time will it be 50 minutes after 5:10? (a) 7:00 (b) 5:00 (c) 5:50 (d) 6:00
  20. 20.What time will it be 35 minutes after 7:25? (a) 9:00 (b) 7:50 (c) 7:00 (d) 8:00
  21. 21.A film starts at 7:40 and ends at 8:35. How long is the film? (a) 55 min (b) 1 h 55 min (c) 45 min (d) 1 h 5 min
  22. 22.A film starts at 5:35 and ends at 6:40. How long is the film? (a) 2 h 5 min (b) 1 h 15 min (c) 5 min (d) 1 h 5 min
  23. 23.What time will it be 40 minutes after 2:35? (a) 2:15 (b) 3:05 (c) 3:15 (d) 4:15
  24. 24.What time will it be 25 minutes after 1:25? (a) 2:50 (b) 2:00 (c) 1:40 (d) 1:50
  25. 25.What time was it 40 minutes before 3:05? (a) 3:25 (b) 1:25 (c) 2:25 (d) 2:35
  26. 26.What time will it be 55 minutes after 10:25? (a) 12:20 (b) 11:20 (c) 10:20 (d) 11:10
  27. 27.What time was it 45 minutes before 2:10? (a) 1:35 (b) 2:25 (c) 1:15 (d) 1:25
  28. 28.What time was it 55 minutes before 6:15? (a) 6:20 (b) 4:20 (c) 5:20 (d) 5:30
  29. 29.What time was it 20 minutes before 7:25? (a) 7:05 (b) 6:05 (c) 8:05 (d) 7:15
  30. 30.What time will it be 15 minutes after 5:25? (a) 5:40 (b) 6:40 (c) 5:30 (d) 4:40
  31. 31.What time was it 35 minutes before 8:50? (a) 7:15 (b) 9:15 (c) 8:15 (d) 8:25
  32. 32.What time will it be 20 minutes after 4:40? (a) 6:00 (b) 5:00 (c) 4:00 (d) 4:50
  33. 33.What time will it be 55 minutes after 2:20? (a) 4:15 (b) 3:05 (c) 2:15 (d) 3:15
  34. 34.A film starts at 3:20 and ends at 3:45. How long is the film? (a) 15 min (b) 1 h 25 min (c) 25 min (d) 35 min
  35. 35.What time will it be 40 minutes after 7:50? (a) 8:20 (b) 8:30 (c) 7:30 (d) 9:30
  36. 36.A film starts at 2:15 and ends at 3:15. How long is the film? (a) 1 h 10 min (b) 2 h (c) 50 min (d) 1 h
  37. 37.What time was it 35 minutes before 3:40? (a) 3:15 (b) 3:05 (c) 2:05 (d) 4:05
  38. 38.What time will it be 40 minutes after 4:30? (a) 5:00 (b) 5:10 (c) 4:10 (d) 6:10
  39. 39.What time was it 45 minutes before 2:40? (a) 1:55 (b) 1:45 (c) 2:55 (d) 2:05
  40. 40.What time was it 15 minutes before 9:45? (a) 9:30 (b) 10:30 (c) 8:30 (d) 9:40

Answer key

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

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