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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 100 · 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 was it 30 minutes before 4:50? (a) 4:20 (b) 3:20 (c) 5:20 (d) 4:30
  2. 2.What time was it 25 minutes before 4:00? (a) 3:45 (b) 4:35 (c) 3:35 (d) 2:35
  3. 3.A film starts at 1:15 and ends at 2:50. How long is the film? (a) 35 min (b) 1 h 35 min (c) 2 h 35 min (d) 1 h 45 min
  4. 4.A film starts at 4:10 and ends at 6:55. How long is the film? (a) 2 h 45 min (b) 3 h 45 min (c) 1 h 45 min (d) 2 h 55 min
  5. 5.A film starts at 3:55 and ends at 5:55. How long is the film? (a) 2 h (b) 3 h (c) 2 h 10 min (d) 1 h
  6. 6.What time will it be 45 minutes after 6:40? (a) 7:15 (b) 8:25 (c) 7:25 (d) 6:25
  7. 7.What time was it 20 minutes before 9:55? (a) 9:45 (b) 9:35 (c) 8:35 (d) 10:35
  8. 8.What time was it 35 minutes before 7:30? (a) 7:05 (b) 5:55 (c) 6:55 (d) 7:55
  9. 9.A film starts at 5:05 and ends at 6:10. How long is the film? (a) 2 h 5 min (b) 1 h 15 min (c) 1 h 5 min (d) 5 min
  10. 10.A film starts at 8:15 and ends at 10:00. How long is the film? (a) 45 min (b) 1 h 55 min (c) 1 h 45 min (d) 2 h 45 min
  11. 11.A film starts at 2:05 and ends at 4:40. How long is the film? (a) 2 h 45 min (b) 1 h 35 min (c) 2 h 35 min (d) 3 h 35 min
  12. 12.What time was it 45 minutes before 4:05? (a) 4:20 (b) 2:20 (c) 3:20 (d) 3:30
  13. 13.A film starts at 3:45 and ends at 4:40. How long is the film? (a) 55 min (b) 1 h 5 min (c) 1 h 55 min (d) 45 min
  14. 14.What time was it 55 minutes before 10:30? (a) 9:35 (b) 8:35 (c) 10:35 (d) 9:45
  15. 15.What time will it be 55 minutes after 9:50? (a) 11:45 (b) 9:45 (c) 10:35 (d) 10:45
  16. 16.What time will it be 45 minutes after 8:20? (a) 8:05 (b) 10:05 (c) 9:05 (d) 8:55
  17. 17.A film starts at 6:05 and ends at 9:00. How long is the film? (a) 1 h 55 min (b) 3 h 5 min (c) 2 h 55 min (d) 3 h 55 min
  18. 18.What time will it be 35 minutes after 1:35? (a) 1:10 (b) 2:00 (c) 3:10 (d) 2:10
  19. 19.What time will it be 35 minutes after 10:55? (a) 11:30 (b) 12:30 (c) 10:30 (d) 11:20
  20. 20.A film starts at 1:50 and ends at 3:40. How long is the film? (a) 2 h (b) 50 min (c) 2 h 50 min (d) 1 h 50 min
  21. 21.A film starts at 4:25 and ends at 7:15. How long is the film? (a) 2 h 50 min (b) 1 h 50 min (c) 3 h 50 min (d) 3 h
  22. 22.What time will it be 25 minutes after 4:05? (a) 4:20 (b) 3:30 (c) 5:30 (d) 4:30
  23. 23.What time will it be 35 minutes after 2:20? (a) 2:55 (b) 2:45 (c) 1:55 (d) 3:55
  24. 24.What time will it be 30 minutes after 5:20? (a) 4:50 (b) 6:50 (c) 5:40 (d) 5:50
  25. 25.What time was it 35 minutes before 8:20? (a) 6:45 (b) 7:55 (c) 7:45 (d) 8:45
  26. 26.What time will it be 20 minutes after 8:50? (a) 9:00 (b) 10:10 (c) 8:10 (d) 9:10
  27. 27.What time was it 25 minutes before 2:25? (a) 1:00 (b) 2:10 (c) 2:00 (d) 3:00
  28. 28.A film starts at 1:05 and ends at 2:30. How long is the film? (a) 25 min (b) 1 h 35 min (c) 1 h 25 min (d) 2 h 25 min
  29. 29.A film starts at 8:05 and ends at 9:10. How long is the film? (a) 5 min (b) 1 h 15 min (c) 1 h 5 min (d) 2 h 5 min
  30. 30.A film starts at 5:45 and ends at 8:30. How long is the film? (a) 3 h 45 min (b) 2 h 45 min (c) 2 h 55 min (d) 1 h 45 min
  31. 31.What time was it 15 minutes before 10:35? (a) 10:30 (b) 10:20 (c) 11:20 (d) 9:20
  32. 32.What time was it 15 minutes before 6:15? (a) 7:00 (b) 5:00 (c) 6:00 (d) 6:10
  33. 33.What time will it be 35 minutes after 1:10? (a) 1:55 (b) 2:45 (c) 1:45 (d) 1:35
  34. 34.What time will it be 30 minutes after 7:20? (a) 7:40 (b) 7:50 (c) 6:50 (d) 8:50
  35. 35.A film starts at 1:45 and ends at 4:00. How long is the film? (a) 3 h 15 min (b) 2 h 15 min (c) 2 h 25 min (d) 1 h 15 min
  36. 36.A film starts at 3:10 and ends at 5:10. How long is the film? (a) 1 h (b) 3 h (c) 2 h (d) 2 h 10 min
  37. 37.What time will it be 35 minutes after 4:10? (a) 4:35 (b) 5:45 (c) 4:45 (d) 3:45
  38. 38.What time will it be 15 minutes after 4:20? (a) 3:35 (b) 4:25 (c) 4:35 (d) 5:35
  39. 39.A film starts at 2:30 and ends at 3:05. How long is the film? (a) 35 min (b) 1 h 35 min (c) 45 min (d) 25 min
  40. 40.What time will it be 50 minutes after 9:10? (a) 9:00 (b) 10:00 (c) 9:50 (d) 11:00

Answer key

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

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