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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 144 · 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 7:00 and ends at 8:10. How long is the film? (a) 10 min (b) 1 h 20 min (c) 2 h 10 min (d) 1 h 10 min
  2. 2.What time will it be 20 minutes after 1:35? (a) 2:05 (b) 1:45 (c) 1:55 (d) 2:55
  3. 3.A film starts at 2:20 and ends at 3:25. How long is the film? (a) 1 h 15 min (b) 5 min (c) 2 h 5 min (d) 1 h 5 min
  4. 4.What time will it be 20 minutes after 10:15? (a) 10:35 (b) 11:35 (c) 10:25 (d) 9:35
  5. 5.What time was it 20 minutes before 11:50? (a) 10:30 (b) 11:40 (c) 12:30 (d) 11:30
  6. 6.What time will it be 20 minutes after 8:00? (a) 9:20 (b) 8:20 (c) 8:10 (d) 7:20
  7. 7.What time was it 45 minutes before 4:30? (a) 2:45 (b) 4:45 (c) 3:45 (d) 3:55
  8. 8.What time was it 25 minutes before 5:10? (a) 4:55 (b) 5:45 (c) 3:45 (d) 4:45
  9. 9.What time will it be 45 minutes after 6:10? (a) 5:55 (b) 6:45 (c) 6:55 (d) 7:55
  10. 10.A film starts at 6:10 and ends at 7:30. How long is the film? (a) 2 h 20 min (b) 1 h 30 min (c) 20 min (d) 1 h 20 min
  11. 11.A film starts at 3:25 and ends at 6:25. How long is the film? (a) 2 h (b) 3 h (c) 4 h (d) 3 h 10 min
  12. 12.What time was it 20 minutes before 2:15? (a) 1:45 (b) 1:55 (c) 2:55 (d) 2:05
  13. 13.A film starts at 6:20 and ends at 7:20. How long is the film? (a) 1 h 10 min (b) 50 min (c) 2 h (d) 1 h
  14. 14.What time will it be 30 minutes after 5:10? (a) 5:40 (b) 6:40 (c) 5:30 (d) 4:40
  15. 15.What time will it be 55 minutes after 2:55? (a) 2:50 (b) 4:50 (c) 3:40 (d) 3:50
  16. 16.What time was it 35 minutes before 8:30? (a) 6:55 (b) 8:55 (c) 8:05 (d) 7:55
  17. 17.What time will it be 40 minutes after 10:15? (a) 11:55 (b) 10:45 (c) 9:55 (d) 10:55
  18. 18.What time was it 40 minutes before 2:15? (a) 1:45 (b) 1:25 (c) 2:35 (d) 1:35
  19. 19.What time will it be 50 minutes after 5:05? (a) 4:55 (b) 5:45 (c) 6:55 (d) 5:55
  20. 20.A film starts at 5:15 and ends at 7:15. How long is the film? (a) 3 h (b) 2 h (c) 1 h (d) 2 h 10 min
  21. 21.What time will it be 20 minutes after 10:00? (a) 9:20 (b) 10:20 (c) 11:20 (d) 10:10
  22. 22.A film starts at 7:35 and ends at 8:00. How long is the film? (a) 1 h 25 min (b) 25 min (c) 35 min (d) 15 min
  23. 23.A film starts at 3:20 and ends at 4:45. How long is the film? (a) 2 h 25 min (b) 1 h 25 min (c) 25 min (d) 1 h 35 min
  24. 24.What time will it be 30 minutes after 2:50? (a) 3:10 (b) 4:20 (c) 2:20 (d) 3:20
  25. 25.What time will it be 30 minutes after 2:25? (a) 3:55 (b) 1:55 (c) 2:45 (d) 2:55
  26. 26.What time will it be 15 minutes after 7:45? (a) 7:50 (b) 9:00 (c) 8:00 (d) 7:00
  27. 27.What time will it be 40 minutes after 6:15? (a) 6:55 (b) 5:55 (c) 6:45 (d) 7:55
  28. 28.What time will it be 30 minutes after 3:45? (a) 3:15 (b) 5:15 (c) 4:05 (d) 4:15
  29. 29.What time will it be 50 minutes after 5:45? (a) 6:35 (b) 5:35 (c) 6:25 (d) 7:35
  30. 30.What time was it 40 minutes before 8:35? (a) 7:55 (b) 6:55 (c) 8:05 (d) 8:55
  31. 31.A film starts at 2:55 and ends at 3:55. How long is the film? (a) 50 min (b) 2 h (c) 1 h 10 min (d) 1 h
  32. 32.What time will it be 30 minutes after 7:05? (a) 6:35 (b) 7:25 (c) 8:35 (d) 7:35
  33. 33.What time will it be 45 minutes after 3:00? (a) 2:45 (b) 4:45 (c) 3:45 (d) 3:35
  34. 34.What time was it 20 minutes before 7:45? (a) 7:25 (b) 6:25 (c) 7:35 (d) 8:25
  35. 35.A film starts at 6:15 and ends at 6:45. How long is the film? (a) 40 min (b) 30 min (c) 1 h 30 min (d) 20 min
  36. 36.A film starts at 7:10 and ends at 8:00. How long is the film? (a) 50 min (b) 1 h 50 min (c) 40 min (d) 1 h
  37. 37.What time will it be 30 minutes after 3:55? (a) 3:25 (b) 4:25 (c) 5:25 (d) 4:15
  38. 38.A film starts at 5:40 and ends at 6:45. How long is the film? (a) 5 min (b) 1 h 15 min (c) 1 h 5 min (d) 2 h 5 min
  39. 39.What time will it be 55 minutes after 1:25? (a) 2:10 (b) 3:20 (c) 1:20 (d) 2:20
  40. 40.What time was it 20 minutes before 4:20? (a) 5:00 (b) 3:00 (c) 4:10 (d) 4:00

Answer key

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

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