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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 76 · 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 40 minutes before 2:15? (a) 1:25 (b) 1:45 (c) 1:35 (d) 2:35
  2. 2.What time was it 20 minutes before 4:35? (a) 4:15 (b) 3:15 (c) 5:15 (d) 4:25
  3. 3.A film starts at 2:35 and ends at 3:50. How long is the film? (a) 1 h 25 min (b) 15 min (c) 2 h 15 min (d) 1 h 15 min
  4. 4.What time was it 30 minutes before 4:05? (a) 3:35 (b) 4:35 (c) 2:35 (d) 3:45
  5. 5.What time was it 15 minutes before 6:40? (a) 6:35 (b) 5:25 (c) 6:25 (d) 7:25
  6. 6.A film starts at 5:10 and ends at 7:05. How long is the film? (a) 2 h 5 min (b) 2 h 55 min (c) 1 h 55 min (d) 55 min
  7. 7.A film starts at 4:30 and ends at 5:55. How long is the film? (a) 1 h 35 min (b) 1 h 25 min (c) 25 min (d) 2 h 25 min
  8. 8.What time will it be 30 minutes after 9:10? (a) 8:40 (b) 9:40 (c) 9:30 (d) 10:40
  9. 9.What time was it 20 minutes before 11:35? (a) 11:15 (b) 12:15 (c) 10:15 (d) 11:25
  10. 10.A film starts at 3:50 and ends at 6:30. How long is the film? (a) 2 h 50 min (b) 2 h 40 min (c) 3 h 40 min (d) 1 h 40 min
  11. 11.A film starts at 8:35 and ends at 11:15. How long is the film? (a) 2 h 40 min (b) 2 h 50 min (c) 3 h 40 min (d) 1 h 40 min
  12. 12.A film starts at 2:20 and ends at 4:50. How long is the film? (a) 3 h 30 min (b) 2 h 40 min (c) 2 h 30 min (d) 1 h 30 min
  13. 13.What time was it 30 minutes before 2:05? (a) 1:35 (b) 1:25 (c) 2:35 (d) 1:45
  14. 14.What time will it be 20 minutes after 3:00? (a) 2:20 (b) 3:20 (c) 3:10 (d) 4:20
  15. 15.What time will it be 15 minutes after 4:55? (a) 5:10 (b) 6:10 (c) 5:00 (d) 4:10
  16. 16.What time will it be 20 minutes after 7:55? (a) 7:15 (b) 9:15 (c) 8:15 (d) 8:05
  17. 17.What time was it 20 minutes before 9:10? (a) 7:50 (b) 8:50 (c) 9:00 (d) 9:50
  18. 18.What time will it be 15 minutes after 7:05? (a) 7:20 (b) 6:20 (c) 7:10 (d) 8:20
  19. 19.What time was it 55 minutes before 6:10? (a) 4:15 (b) 5:25 (c) 5:15 (d) 6:15
  20. 20.What time will it be 25 minutes after 3:55? (a) 4:20 (b) 3:20 (c) 5:20 (d) 4:10
  21. 21.A film starts at 1:50 and ends at 4:15. 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
  22. 22.What time was it 50 minutes before 4:50? (a) 4:00 (b) 3:00 (c) 4:10 (d) 5:00
  23. 23.A film starts at 4:40 and ends at 7:00. How long is the film? (a) 3 h 20 min (b) 2 h 20 min (c) 2 h 30 min (d) 1 h 20 min
  24. 24.What time was it 45 minutes before 11:25? (a) 10:50 (b) 9:40 (c) 11:40 (d) 10:40
  25. 25.What time will it be 55 minutes after 1:05? (a) 1:50 (b) 3:00 (c) 1:00 (d) 2:00
  26. 26.What time was it 20 minutes before 10:00? (a) 9:40 (b) 8:40 (c) 9:50 (d) 10:40
  27. 27.A film starts at 5:05 and ends at 7:20. How long is the film? (a) 2 h 15 min (b) 2 h 25 min (c) 1 h 15 min (d) 3 h 15 min
  28. 28.What time will it be 55 minutes after 6:35? (a) 7:20 (b) 8:30 (c) 7:30 (d) 6:30
  29. 29.What time was it 15 minutes before 3:25? (a) 3:20 (b) 4:10 (c) 3:10 (d) 2:10
  30. 30.What time will it be 30 minutes after 4:00? (a) 4:20 (b) 5:30 (c) 3:30 (d) 4:30
  31. 31.What time was it 45 minutes before 8:55? (a) 8:20 (b) 7:10 (c) 8:10 (d) 9:10
  32. 32.What time will it be 30 minutes after 9:05? (a) 9:25 (b) 9:35 (c) 8:35 (d) 10:35
  33. 33.What time was it 45 minutes before 6:45? (a) 7:00 (b) 5:00 (c) 6:10 (d) 6:00
  34. 34.A film starts at 5:15 and ends at 7:05. How long is the film? (a) 1 h 50 min (b) 50 min (c) 2 h (d) 2 h 50 min
  35. 35.What time will it be 40 minutes after 5:05? (a) 6:45 (b) 5:45 (c) 5:35 (d) 4:45
  36. 36.What time will it be 30 minutes after 3:30? (a) 3:50 (b) 5:00 (c) 4:00 (d) 3:00
  37. 37.A film starts at 5:30 and ends at 8:05. How long is the film? (a) 1 h 35 min (b) 2 h 35 min (c) 2 h 45 min (d) 3 h 35 min
  38. 38.A film starts at 1:45 and ends at 4:25. How long is the film? (a) 3 h 40 min (b) 2 h 50 min (c) 1 h 40 min (d) 2 h 40 min
  39. 39.What time will it be 40 minutes after 10:25? (a) 10:05 (b) 10:55 (c) 11:05 (d) 12:05
  40. 40.What time will it be 20 minutes after 10:25? (a) 11:45 (b) 9:45 (c) 10:45 (d) 10:35

Answer key

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

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