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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 51 · 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 55 minutes before 3:05? (a) 1:10 (b) 2:10 (c) 3:10 (d) 2:20
  2. 2.What time will it be 50 minutes after 7:40? (a) 8:20 (b) 9:30 (c) 8:30 (d) 7:30
  3. 3.What time will it be 25 minutes after 3:05? (a) 4:30 (b) 3:30 (c) 3:20 (d) 2:30
  4. 4.What time was it 35 minutes before 2:30? (a) 2:55 (b) 2:05 (c) 1:55 (d) 1:45
  5. 5.What time was it 25 minutes before 2:10? (a) 1:45 (b) 2:45 (c) 1:55 (d) 1:35
  6. 6.A film starts at 3:10 and ends at 3:55. How long is the film? (a) 35 min (b) 1 h 45 min (c) 55 min (d) 45 min
  7. 7.What time will it be 20 minutes after 8:55? (a) 10:15 (b) 9:05 (c) 9:15 (d) 8:15
  8. 8.What time will it be 30 minutes after 5:30? (a) 6:00 (b) 7:00 (c) 5:50 (d) 5:00
  9. 9.What time will it be 40 minutes after 9:00? (a) 9:30 (b) 8:40 (c) 10:40 (d) 9:40
  10. 10.A film starts at 4:40 and ends at 5:00. How long is the film? (a) 10 min (b) 1 h 20 min (c) 30 min (d) 20 min
  11. 11.A film starts at 4:50 and ends at 5:30. How long is the film? (a) 30 min (b) 1 h 40 min (c) 40 min (d) 50 min
  12. 12.What time was it 55 minutes before 10:20? (a) 9:35 (b) 10:25 (c) 8:25 (d) 9:25
  13. 13.What time will it be 25 minutes after 4:10? (a) 5:35 (b) 4:25 (c) 3:35 (d) 4:35
  14. 14.A film starts at 7:25 and ends at 9:30. How long is the film? (a) 2 h 15 min (b) 3 h 5 min (c) 2 h 5 min (d) 1 h 5 min
  15. 15.What time will it be 15 minutes after 2:15? (a) 3:30 (b) 2:20 (c) 1:30 (d) 2:30
  16. 16.What time will it be 45 minutes after 1:15? (a) 3:00 (b) 1:00 (c) 1:50 (d) 2:00
  17. 17.What time will it be 30 minutes after 6:20? (a) 7:50 (b) 6:40 (c) 6:50 (d) 5:50
  18. 18.What time was it 35 minutes before 4:15? (a) 4:40 (b) 3:40 (c) 3:50 (d) 2:40
  19. 19.A film starts at 6:45 and ends at 8:25. How long is the film? (a) 2 h 40 min (b) 1 h 50 min (c) 1 h 40 min (d) 40 min
  20. 20.A film starts at 8:05 and ends at 9:20. How long is the film? (a) 15 min (b) 1 h 15 min (c) 1 h 25 min (d) 2 h 15 min
  21. 21.What time was it 35 minutes before 6:40? (a) 5:05 (b) 6:15 (c) 6:05 (d) 7:05
  22. 22.A film starts at 3:35 and ends at 6:00. 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
  23. 23.What time will it be 20 minutes after 4:50? (a) 5:00 (b) 6:10 (c) 5:10 (d) 4:10
  24. 24.What time was it 25 minutes before 9:00? (a) 9:35 (b) 8:35 (c) 8:45 (d) 7:35
  25. 25.What time was it 15 minutes before 7:00? (a) 6:55 (b) 5:45 (c) 7:45 (d) 6:45
  26. 26.What time was it 20 minutes before 2:40? (a) 2:20 (b) 1:20 (c) 3:20 (d) 2:30
  27. 27.What time was it 20 minutes before 3:00? (a) 2:40 (b) 1:40 (c) 2:50 (d) 3:40
  28. 28.What time was it 35 minutes before 10:20? (a) 8:45 (b) 10:45 (c) 9:55 (d) 9:45
  29. 29.What time was it 45 minutes before 9:20? (a) 7:35 (b) 8:45 (c) 9:35 (d) 8:35
  30. 30.What time will it be 40 minutes after 4:30? (a) 5:00 (b) 4:10 (c) 5:10 (d) 6:10
  31. 31.What time was it 30 minutes before 10:45? (a) 10:25 (b) 9:15 (c) 11:15 (d) 10:15
  32. 32.What time was it 15 minutes before 3:50? (a) 2:35 (b) 3:45 (c) 4:35 (d) 3:35
  33. 33.What time was it 30 minutes before 3:45? (a) 4:15 (b) 2:15 (c) 3:15 (d) 3:25
  34. 34.What time will it be 40 minutes after 5:10? (a) 6:50 (b) 5:40 (c) 5:50 (d) 4:50
  35. 35.What time was it 25 minutes before 6:05? (a) 5:50 (b) 4:40 (c) 6:40 (d) 5:40
  36. 36.What time will it be 30 minutes after 3:55? (a) 3:25 (b) 5:25 (c) 4:25 (d) 4:15
  37. 37.What time will it be 40 minutes after 3:35? (a) 4:05 (b) 5:15 (c) 3:15 (d) 4:15
  38. 38.What time was it 50 minutes before 10:20? (a) 8:30 (b) 9:40 (c) 9:30 (d) 10:30
  39. 39.What time will it be 15 minutes after 8:10? (a) 7:25 (b) 8:25 (c) 9:25 (d) 8:15
  40. 40.What time was it 20 minutes before 10:35? (a) 10:15 (b) 11:15 (c) 10:25 (d) 9:15

Answer key

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

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