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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 455 · 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 will it be 35 minutes after 3:00? (a) 4:35 (b) 2:35 (c) 3:35 (d) 3:25
  2. 2.What time was it 45 minutes before 4:00? (a) 3:25 (b) 4:15 (c) 2:15 (d) 3:15
  3. 3.A film starts at 7:25 and ends at 8:35. How long is the film? (a) 1 h 10 min (b) 1 h 20 min (c) 10 min (d) 2 h 10 min
  4. 4.What time was it 20 minutes before 3:05? (a) 1:45 (b) 2:45 (c) 3:45 (d) 2:55
  5. 5.What time was it 15 minutes before 5:15? (a) 4:00 (b) 5:10 (c) 5:00 (d) 6:00
  6. 6.What time will it be 15 minutes after 2:25? (a) 1:40 (b) 2:40 (c) 3:40 (d) 2:30
  7. 7.What time was it 20 minutes before 5:35? (a) 6:15 (b) 4:15 (c) 5:25 (d) 5:15
  8. 8.What time will it be 50 minutes after 2:45? (a) 3:35 (b) 4:35 (c) 2:35 (d) 3:25
  9. 9.What time was it 45 minutes before 8:55? (a) 7:10 (b) 8:20 (c) 9:10 (d) 8:10
  10. 10.What time was it 50 minutes before 6:10? (a) 6:20 (b) 5:20 (c) 4:20 (d) 5:30
  11. 11.What time will it be 25 minutes after 3:10? (a) 3:25 (b) 2:35 (c) 3:35 (d) 4:35
  12. 12.What time was it 30 minutes before 3:25? (a) 3:55 (b) 2:55 (c) 1:55 (d) 3:05
  13. 13.A film starts at 2:35 and ends at 3:35. How long is the film? (a) 50 min (b) 2 h (c) 1 h 10 min (d) 1 h
  14. 14.What time was it 15 minutes before 7:15? (a) 6:00 (b) 7:10 (c) 8:00 (d) 7:00
  15. 15.What time will it be 55 minutes after 9:50? (a) 9:45 (b) 10:35 (c) 10:45 (d) 11:45
  16. 16.What time was it 40 minutes before 7:35? (a) 7:05 (b) 6:55 (c) 7:55 (d) 5:55
  17. 17.What time will it be 55 minutes after 5:50? (a) 7:45 (b) 5:45 (c) 6:45 (d) 6:35
  18. 18.What time will it be 20 minutes after 2:45? (a) 2:05 (b) 3:05 (c) 4:05 (d) 2:55
  19. 19.What time will it be 30 minutes after 2:10? (a) 1:40 (b) 3:40 (c) 2:40 (d) 2:30
  20. 20.What time will it be 55 minutes after 1:25? (a) 2:10 (b) 2:20 (c) 1:20 (d) 3:20
  21. 21.What time will it be 30 minutes after 5:55? (a) 7:25 (b) 6:15 (c) 6:25 (d) 5:25
  22. 22.A film starts at 4:20 and ends at 6:40. How long is the film? (a) 1 h 20 min (b) 2 h 30 min (c) 2 h 20 min (d) 3 h 20 min
  23. 23.What time will it be 25 minutes after 7:50? (a) 7:15 (b) 9:15 (c) 8:15 (d) 8:05
  24. 24.What time will it be 15 minutes after 5:45? (a) 7:00 (b) 5:00 (c) 6:00 (d) 5:50
  25. 25.What time will it be 25 minutes after 10:05? (a) 11:30 (b) 10:30 (c) 9:30 (d) 10:20
  26. 26.What time was it 20 minutes before 2:20? (a) 2:10 (b) 1:00 (c) 2:00 (d) 3:00
  27. 27.What time was it 15 minutes before 3:45? (a) 3:40 (b) 4:30 (c) 3:30 (d) 2:30
  28. 28.What time will it be 40 minutes after 7:50? (a) 8:20 (b) 8:30 (c) 9:30 (d) 7:30
  29. 29.What time will it be 35 minutes after 7:00? (a) 7:35 (b) 6:35 (c) 7:25 (d) 8:35
  30. 30.What time was it 45 minutes before 4:30? (a) 2:45 (b) 4:45 (c) 3:55 (d) 3:45
  31. 31.What time was it 30 minutes before 7:05? (a) 6:45 (b) 5:35 (c) 6:35 (d) 7:35
  32. 32.What time was it 30 minutes before 9:45? (a) 10:15 (b) 8:15 (c) 9:25 (d) 9:15
  33. 33.What time was it 50 minutes before 7:45? (a) 7:05 (b) 5:55 (c) 6:55 (d) 7:55
  34. 34.A film starts at 8:00 and ends at 9:20. How long is the film? (a) 1 h 30 min (b) 2 h 20 min (c) 20 min (d) 1 h 20 min
  35. 35.A film starts at 4:25 and ends at 7:05. How long is the film? (a) 2 h 50 min (b) 1 h 40 min (c) 2 h 40 min (d) 3 h 40 min
  36. 36.What time was it 25 minutes before 3:25? (a) 4:00 (b) 3:10 (c) 2:00 (d) 3:00
  37. 37.What time was it 20 minutes before 2:00? (a) 1:30 (b) 1:40 (c) 2:40 (d) 1:50
  38. 38.What time was it 30 minutes before 3:10? (a) 1:40 (b) 2:40 (c) 2:50 (d) 3:40
  39. 39.What time was it 25 minutes before 10:00? (a) 10:35 (b) 8:35 (c) 9:45 (d) 9:35
  40. 40.What time will it be 45 minutes after 7:00? (a) 6:45 (b) 7:45 (c) 8:45 (d) 7:35

Answer key

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

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