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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 89 · 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 5:40? (a) 5:10 (b) 5:20 (c) 6:10 (d) 4:10
  2. 2.What time was it 30 minutes before 3:55? (a) 4:25 (b) 3:35 (c) 3:25 (d) 2:25
  3. 3.What time was it 35 minutes before 11:25? (a) 10:50 (b) 11:50 (c) 11:00 (d) 9:50
  4. 4.What time was it 15 minutes before 9:55? (a) 9:50 (b) 8:40 (c) 10:40 (d) 9:40
  5. 5.What time was it 20 minutes before 7:25? (a) 7:15 (b) 6:05 (c) 7:05 (d) 8:05
  6. 6.What time was it 30 minutes before 10:05? (a) 9:45 (b) 10:35 (c) 8:35 (d) 9:35
  7. 7.A film starts at 7:40 and ends at 8:10. How long is the film? (a) 1 h 30 min (b) 30 min (c) 20 min (d) 40 min
  8. 8.What time was it 30 minutes before 10:40? (a) 9:10 (b) 10:20 (c) 11:10 (d) 10:10
  9. 9.What time was it 15 minutes before 10:05? (a) 9:50 (b) 10:00 (c) 8:50 (d) 10:50
  10. 10.What time will it be 30 minutes after 6:15? (a) 7:45 (b) 5:45 (c) 6:45 (d) 6:35
  11. 11.A film starts at 8:25 and ends at 9:50. How long is the film? (a) 2 h 25 min (b) 1 h 35 min (c) 1 h 25 min (d) 25 min
  12. 12.What time will it be 30 minutes after 5:10? (a) 6:40 (b) 5:40 (c) 5:30 (d) 4:40
  13. 13.A film starts at 2:25 and ends at 3:25. How long is the film? (a) 1 h (b) 2 h (c) 50 min (d) 1 h 10 min
  14. 14.What time will it be 55 minutes after 10:40? (a) 10:35 (b) 12:35 (c) 11:35 (d) 11:25
  15. 15.A film starts at 6:30 and ends at 6:50. How long is the film? (a) 30 min (b) 1 h 20 min (c) 10 min (d) 20 min
  16. 16.What time will it be 25 minutes after 2:30? (a) 2:45 (b) 3:55 (c) 1:55 (d) 2:55
  17. 17.What time will it be 15 minutes after 9:30? (a) 9:45 (b) 10:45 (c) 8:45 (d) 9:35
  18. 18.A film starts at 3:25 and ends at 4:15. How long is the film? (a) 1 h (b) 1 h 50 min (c) 40 min (d) 50 min
  19. 19.A film starts at 4:55 and ends at 5:15. How long is the film? (a) 20 min (b) 30 min (c) 1 h 20 min (d) 10 min
  20. 20.A film starts at 6:45 and ends at 7:50. How long is the film? (a) 5 min (b) 1 h 5 min (c) 1 h 15 min (d) 2 h 5 min
  21. 21.A film starts at 7:00 and ends at 7:30. How long is the film? (a) 20 min (b) 1 h 30 min (c) 40 min (d) 30 min
  22. 22.What time will it be 45 minutes after 3:35? (a) 5:20 (b) 4:10 (c) 4:20 (d) 3:20
  23. 23.What time was it 15 minutes before 5:10? (a) 5:55 (b) 4:55 (c) 3:55 (d) 5:05
  24. 24.What time will it be 50 minutes after 2:35? (a) 4:25 (b) 3:25 (c) 2:25 (d) 3:15
  25. 25.A film starts at 5:20 and ends at 6:10. How long is the film? (a) 1 h (b) 1 h 50 min (c) 40 min (d) 50 min
  26. 26.What time will it be 30 minutes after 2:00? (a) 3:30 (b) 1:30 (c) 2:20 (d) 2:30
  27. 27.What time will it be 40 minutes after 8:40? (a) 9:20 (b) 8:20 (c) 10:20 (d) 9:10
  28. 28.What time was it 50 minutes before 4:45? (a) 2:55 (b) 4:55 (c) 4:05 (d) 3:55
  29. 29.What time will it be 35 minutes after 9:00? (a) 9:25 (b) 8:35 (c) 10:35 (d) 9:35
  30. 30.What time will it be 15 minutes after 2:50? (a) 2:05 (b) 2:55 (c) 4:05 (d) 3:05
  31. 31.What time will it be 35 minutes after 2:45? (a) 3:20 (b) 3:10 (c) 4:20 (d) 2:20
  32. 32.What time will it be 35 minutes after 5:10? (a) 6:45 (b) 5:45 (c) 4:45 (d) 5:35
  33. 33.What time was it 25 minutes before 6:10? (a) 4:45 (b) 6:45 (c) 5:45 (d) 5:55
  34. 34.What time will it be 45 minutes after 2:35? (a) 3:10 (b) 3:20 (c) 4:20 (d) 2:20
  35. 35.What time was it 20 minutes before 5:40? (a) 5:30 (b) 5:20 (c) 6:20 (d) 4:20
  36. 36.What time was it 50 minutes before 2:25? (a) 1:45 (b) 1:25 (c) 2:35 (d) 1:35
  37. 37.What time was it 40 minutes before 7:10? (a) 5:30 (b) 7:30 (c) 6:40 (d) 6:30
  38. 38.What time will it be 20 minutes after 3:05? (a) 3:25 (b) 4:25 (c) 3:15 (d) 2:25
  39. 39.What time will it be 40 minutes after 3:15? (a) 3:45 (b) 2:55 (c) 3:55 (d) 4:55
  40. 40.What time will it be 35 minutes after 7:00? (a) 8:35 (b) 6:35 (c) 7:25 (d) 7:35

Answer key

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

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