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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 580 · 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 35 minutes before 3:05? (a) 3:30 (b) 2:30 (c) 2:40 (d) 1:30
  2. 2.What time was it 15 minutes before 9:10? (a) 9:05 (b) 9:55 (c) 7:55 (d) 8:55
  3. 3.What time will it be 20 minutes after 6:05? (a) 7:25 (b) 5:25 (c) 6:15 (d) 6:25
  4. 4.A film starts at 6:05 and ends at 7:50. How long is the film? (a) 45 min (b) 1 h 45 min (c) 1 h 55 min (d) 2 h 45 min
  5. 5.What time will it be 30 minutes after 10:10? (a) 9:40 (b) 10:30 (c) 11:40 (d) 10:40
  6. 6.What time will it be 45 minutes after 1:00? (a) 1:35 (b) 1:55 (c) 1:45 (d) 2:45
  7. 7.What time was it 55 minutes before 5:45? (a) 5:00 (b) 5:50 (c) 4:50 (d) 3:50
  8. 8.What time will it be 20 minutes after 9:25? (a) 9:35 (b) 9:45 (c) 10:45 (d) 8:45
  9. 9.What time will it be 15 minutes after 9:50? (a) 9:55 (b) 9:05 (c) 10:05 (d) 11:05
  10. 10.A film starts at 6:40 and ends at 7:10. How long is the film? (a) 20 min (b) 40 min (c) 1 h 30 min (d) 30 min
  11. 11.What time will it be 20 minutes after 3:10? (a) 3:20 (b) 3:30 (c) 2:30 (d) 4:30
  12. 12.What time will it be 15 minutes after 3:35? (a) 2:50 (b) 3:50 (c) 4:50 (d) 3:40
  13. 13.What time will it be 40 minutes after 8:45? (a) 9:15 (b) 9:25 (c) 10:25 (d) 8:25
  14. 14.What time will it be 15 minutes after 1:15? (a) 1:30 (b) 1:20 (c) 2:30 (d) 1:40
  15. 15.What time was it 20 minutes before 4:30? (a) 3:10 (b) 4:10 (c) 5:10 (d) 4:20
  16. 16.A film starts at 2:50 and ends at 5:45. How long is the film? (a) 3 h 55 min (b) 2 h 55 min (c) 3 h 5 min (d) 1 h 55 min
  17. 17.What time was it 50 minutes before 10:45? (a) 10:55 (b) 8:55 (c) 10:05 (d) 9:55
  18. 18.What time will it be 40 minutes after 6:55? (a) 7:25 (b) 8:35 (c) 6:35 (d) 7:35
  19. 19.What time will it be 20 minutes after 4:15? (a) 5:35 (b) 3:35 (c) 4:35 (d) 4:25
  20. 20.What time was it 45 minutes before 3:25? (a) 3:40 (b) 2:50 (c) 2:40 (d) 1:40
  21. 21.A film starts at 4:05 and ends at 6:50. How long is the film? (a) 2 h 55 min (b) 2 h 45 min (c) 3 h 45 min (d) 1 h 45 min
  22. 22.What time will it be 40 minutes after 3:25? (a) 4:05 (b) 3:55 (c) 3:05 (d) 5:05
  23. 23.What time will it be 45 minutes after 3:00? (a) 4:45 (b) 3:35 (c) 2:45 (d) 3:45
  24. 24.What time was it 25 minutes before 3:45? (a) 3:20 (b) 3:30 (c) 2:20 (d) 4:20
  25. 25.What time was it 20 minutes before 11:10? (a) 10:50 (b) 11:50 (c) 9:50 (d) 11:00
  26. 26.What time will it be 25 minutes after 5:05? (a) 5:30 (b) 4:30 (c) 5:20 (d) 6:30
  27. 27.What time will it be 40 minutes after 6:10? (a) 5:50 (b) 6:40 (c) 7:50 (d) 6:50
  28. 28.A film starts at 6:10 and ends at 7:50. How long is the film? (a) 2 h 40 min (b) 1 h 50 min (c) 1 h 40 min (d) 40 min
  29. 29.A film starts at 8:05 and ends at 10:10. How long is the film? (a) 3 h 5 min (b) 1 h 5 min (c) 2 h 5 min (d) 2 h 15 min
  30. 30.What time was it 55 minutes before 2:00? (a) 1:05 (b) 1:06 (c) 1:15 (d) 2:05
  31. 31.A film starts at 5:25 and ends at 8:00. How long is the film? (a) 3 h 35 min (b) 2 h 45 min (c) 2 h 35 min (d) 1 h 35 min
  32. 32.A film starts at 3:10 and ends at 4:45. How long is the film? (a) 1 h 45 min (b) 1 h 35 min (c) 2 h 35 min (d) 35 min
  33. 33.What time will it be 35 minutes after 1:50? (a) 2:25 (b) 1:25 (c) 3:25 (d) 2:15
  34. 34.What time will it be 40 minutes after 7:20? (a) 9:00 (b) 8:00 (c) 7:00 (d) 7:50
  35. 35.What time will it be 15 minutes after 3:05? (a) 4:20 (b) 2:20 (c) 3:20 (d) 3:10
  36. 36.What time was it 30 minutes before 7:20? (a) 7:50 (b) 5:50 (c) 7:00 (d) 6:50
  37. 37.A film starts at 2:35 and ends at 4:05. How long is the film? (a) 30 min (b) 1 h 40 min (c) 2 h 30 min (d) 1 h 30 min
  38. 38.What time will it be 30 minutes after 10:05? (a) 10:35 (b) 10:25 (c) 11:35 (d) 9:35
  39. 39.What time will it be 50 minutes after 3:10? (a) 4:00 (b) 3:50 (c) 5:00 (d) 3:00
  40. 40.What time was it 20 minutes before 11:25? (a) 12:05 (b) 10:05 (c) 11:05 (d) 11:15

Answer key

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

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