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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 92 · 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 20 minutes before 2:05? (a) 1:45 (b) 2:45 (c) 1:35 (d) 1:55
  2. 2.What time was it 15 minutes before 3:45? (a) 3:40 (b) 4:30 (c) 3:30 (d) 2:30
  3. 3.What time will it be 35 minutes after 8:55? (a) 8:30 (b) 9:20 (c) 10:30 (d) 9:30
  4. 4.A film starts at 2:15 and ends at 3:20. How long is the film? (a) 1 h 15 min (b) 2 h 5 min (c) 5 min (d) 1 h 5 min
  5. 5.A film starts at 2:35 and ends at 3:45. How long is the film? (a) 1 h 10 min (b) 2 h 10 min (c) 10 min (d) 1 h 20 min
  6. 6.What time will it be 50 minutes after 8:55? (a) 10:45 (b) 9:45 (c) 8:45 (d) 9:35
  7. 7.What time was it 20 minutes before 7:35? (a) 8:15 (b) 6:15 (c) 7:25 (d) 7:15
  8. 8.What time will it be 55 minutes after 1:20? (a) 2:05 (b) 2:15 (c) 1:15 (d) 3:15
  9. 9.What time will it be 15 minutes after 7:05? (a) 7:20 (b) 6:20 (c) 8:20 (d) 7:10
  10. 10.What time will it be 20 minutes after 5:35? (a) 4:55 (b) 5:45 (c) 6:55 (d) 5:55
  11. 11.A film starts at 2:30 and ends at 4:10. How long is the film? (a) 1 h 50 min (b) 1 h 40 min (c) 2 h 40 min (d) 40 min
  12. 12.What time will it be 15 minutes after 2:35? (a) 1:50 (b) 3:50 (c) 2:40 (d) 2:50
  13. 13.What time will it be 45 minutes after 3:00? (a) 3:35 (b) 3:45 (c) 2:45 (d) 4:45
  14. 14.What time was it 20 minutes before 2:15? (a) 2:05 (b) 2:55 (c) 1:55 (d) 1:45
  15. 15.What time was it 25 minutes before 10:10? (a) 9:55 (b) 9:45 (c) 8:45 (d) 10:45
  16. 16.What time was it 35 minutes before 8:35? (a) 9:00 (b) 8:00 (c) 8:10 (d) 7:00
  17. 17.What time was it 45 minutes before 3:25? (a) 3:40 (b) 2:50 (c) 2:40 (d) 1:40
  18. 18.A film starts at 1:10 and ends at 1:30. How long is the film? (a) 30 min (b) 1 h 20 min (c) 20 min (d) 10 min
  19. 19.What time will it be 25 minutes after 10:05? (a) 10:20 (b) 10:30 (c) 9:30 (d) 11:30
  20. 20.A film starts at 2:20 and ends at 4:20. How long is the film? (a) 2 h 10 min (b) 3 h (c) 1 h (d) 2 h
  21. 21.What time will it be 35 minutes after 3:30? (a) 4:05 (b) 3:55 (c) 3:05 (d) 5:05
  22. 22.A film starts at 8:10 and ends at 11:10. How long is the film? (a) 4 h (b) 2 h (c) 3 h 10 min (d) 3 h
  23. 23.A film starts at 4:00 and ends at 6:20. How long is the film? (a) 1 h 20 min (b) 3 h 20 min (c) 2 h 30 min (d) 2 h 20 min
  24. 24.What time was it 45 minutes before 9:05? (a) 8:20 (b) 8:30 (c) 9:20 (d) 7:20
  25. 25.What time was it 15 minutes before 7:05? (a) 7:00 (b) 5:50 (c) 6:50 (d) 7:50
  26. 26.What time will it be 15 minutes after 6:15? (a) 6:20 (b) 6:30 (c) 5:30 (d) 7:30
  27. 27.What time will it be 30 minutes after 1:00? (a) 1:30 (b) 1:20 (c) 2:30 (d) 1:40
  28. 28.A film starts at 1:40 and ends at 3:40. How long is the film? (a) 3 h (b) 2 h (c) 2 h 10 min (d) 1 h
  29. 29.What time will it be 50 minutes after 8:30? (a) 8:20 (b) 10:20 (c) 9:10 (d) 9:20
  30. 30.What time was it 55 minutes before 9:15? (a) 8:30 (b) 9:20 (c) 7:20 (d) 8:20
  31. 31.What time was it 30 minutes before 11:20? (a) 11:50 (b) 9:50 (c) 10:50 (d) 11:00
  32. 32.What time will it be 20 minutes after 8:00? (a) 7:20 (b) 8:20 (c) 9:20 (d) 8:10
  33. 33.What time will it be 55 minutes after 2:30? (a) 2:25 (b) 3:25 (c) 3:15 (d) 4:25
  34. 34.What time will it be 25 minutes after 6:15? (a) 7:40 (b) 5:40 (c) 6:40 (d) 6:30
  35. 35.What time will it be 20 minutes after 8:30? (a) 7:50 (b) 8:40 (c) 8:50 (d) 9:50
  36. 36.What time will it be 50 minutes after 2:20? (a) 4:10 (b) 2:10 (c) 3:10 (d) 3:00
  37. 37.What time will it be 25 minutes after 3:50? (a) 3:15 (b) 4:05 (c) 4:15 (d) 5:15
  38. 38.What time will it be 45 minutes after 9:25? (a) 10:10 (b) 10:00 (c) 11:10 (d) 9:10
  39. 39.What time will it be 25 minutes after 3:35? (a) 3:50 (b) 5:00 (c) 3:00 (d) 4:00
  40. 40.What time will it be 20 minutes after 9:45? (a) 9:55 (b) 10:05 (c) 11:05 (d) 9:05

Answer key

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

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