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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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