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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 80 · 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 50 minutes before 9:05? (a) 8:25 (b) 7:15 (c) 8:15 (d) 9:15
  2. 2.A film starts at 7:55 and ends at 8:20. How long is the film? (a) 15 min (b) 35 min (c) 1 h 25 min (d) 25 min
  3. 3.What time will it be 20 minutes after 6:00? (a) 5:20 (b) 6:10 (c) 7:20 (d) 6:20
  4. 4.What time will it be 25 minutes after 3:00? (a) 4:25 (b) 3:25 (c) 2:25 (d) 3:15
  5. 5.What time will it be 55 minutes after 9:10? (a) 9:55 (b) 9:05 (c) 11:05 (d) 10:05
  6. 6.What time was it 40 minutes before 5:05? (a) 4:35 (b) 4:25 (c) 5:25 (d) 3:25
  7. 7.A film starts at 6:25 and ends at 7:45. How long is the film? (a) 2 h 20 min (b) 1 h 30 min (c) 20 min (d) 1 h 20 min
  8. 8.What time will it be 35 minutes after 5:00? (a) 5:25 (b) 6:35 (c) 5:35 (d) 4:35
  9. 9.What time will it be 15 minutes after 8:10? (a) 9:25 (b) 8:25 (c) 7:25 (d) 8:15
  10. 10.A film starts at 2:15 and ends at 2:40. How long is the film? (a) 15 min (b) 35 min (c) 1 h 25 min (d) 25 min
  11. 11.What time will it be 15 minutes after 7:05? (a) 7:20 (b) 6:20 (c) 8:20 (d) 7:10
  12. 12.What time will it be 15 minutes after 5:40? (a) 6:55 (b) 5:45 (c) 4:55 (d) 5:55
  13. 13.What time was it 25 minutes before 5:40? (a) 5:25 (b) 4:15 (c) 5:15 (d) 6:15
  14. 14.What time was it 35 minutes before 3:20? (a) 2:55 (b) 1:45 (c) 3:45 (d) 2:45
  15. 15.What time will it be 50 minutes after 1:30? (a) 2:20 (b) 3:20 (c) 2:10 (d) 1:20
  16. 16.What time was it 50 minutes before 11:20? (a) 10:40 (b) 11:30 (c) 9:30 (d) 10:30
  17. 17.What time was it 40 minutes before 7:10? (a) 6:30 (b) 6:40 (c) 5:30 (d) 7:30
  18. 18.What time will it be 15 minutes after 6:40? (a) 5:55 (b) 7:55 (c) 6:55 (d) 6:45
  19. 19.A film starts at 2:50 and ends at 3:45. How long is the film? (a) 45 min (b) 55 min (c) 1 h 5 min (d) 1 h 55 min
  20. 20.What time will it be 25 minutes after 8:35? (a) 10:00 (b) 8:50 (c) 8:00 (d) 9:00
  21. 21.What time was it 40 minutes before 3:45? (a) 3:15 (b) 3:05 (c) 4:05 (d) 2:05
  22. 22.What time was it 45 minutes before 6:20? (a) 6:35 (b) 5:35 (c) 5:45 (d) 4:35
  23. 23.What time will it be 50 minutes after 9:20? (a) 11:10 (b) 10:10 (c) 9:10 (d) 10:00
  24. 24.What time will it be 55 minutes after 5:45? (a) 7:40 (b) 5:40 (c) 6:30 (d) 6:40
  25. 25.What time was it 20 minutes before 11:20? (a) 11:00 (b) 10:00 (c) 11:10 (d) 12:00
  26. 26.A film starts at 1:50 and ends at 2:35. How long is the film? (a) 35 min (b) 45 min (c) 55 min (d) 1 h 45 min
  27. 27.What time will it be 55 minutes after 2:20? (a) 3:05 (b) 3:15 (c) 2:15 (d) 4:15
  28. 28.A film starts at 7:40 and ends at 9:45. How long is the film? (a) 3 h 5 min (b) 2 h 5 min (c) 2 h 15 min (d) 1 h 5 min
  29. 29.What time was it 30 minutes before 6:55? (a) 7:25 (b) 6:35 (c) 6:25 (d) 5:25
  30. 30.A film starts at 1:00 and ends at 3:55. How long is the film? (a) 3 h 55 min (b) 3 h 5 min (c) 2 h 55 min (d) 1 h 55 min
  31. 31.What time was it 20 minutes before 4:50? (a) 5:30 (b) 4:30 (c) 3:30 (d) 4:40
  32. 32.What time will it be 30 minutes after 1:35? (a) 1:05 (b) 1:55 (c) 2:05 (d) 3:05
  33. 33.A film starts at 2:40 and ends at 3:00. How long is the film? (a) 10 min (b) 20 min (c) 30 min (d) 1 h 20 min
  34. 34.What time was it 25 minutes before 8:25? (a) 7:00 (b) 9:00 (c) 8:10 (d) 8:00
  35. 35.What time was it 20 minutes before 9:25? (a) 9:05 (b) 9:15 (c) 8:05 (d) 10:05
  36. 36.What time was it 40 minutes before 9:10? (a) 8:40 (b) 8:30 (c) 7:30 (d) 9:30
  37. 37.What time was it 35 minutes before 11:05? (a) 10:30 (b) 11:30 (c) 9:30 (d) 10:40
  38. 38.A film starts at 7:20 and ends at 8:25. How long is the film? (a) 2 h 5 min (b) 1 h 15 min (c) 5 min (d) 1 h 5 min
  39. 39.What time will it be 30 minutes after 1:45? (a) 2:15 (b) 3:15 (c) 1:15 (d) 2:05
  40. 40.What time will it be 30 minutes after 9:45? (a) 10:15 (b) 10:05 (c) 9:15 (d) 11:15

Answer key

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

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