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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 163 · 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 4:10? (a) 4:00 (b) 3:50 (c) 2:50 (d) 4:50
  2. 2.What time will it be 15 minutes after 6:20? (a) 6:35 (b) 5:35 (c) 7:35 (d) 6:25
  3. 3.What time will it be 20 minutes after 6:35? (a) 6:45 (b) 5:55 (c) 6:55 (d) 7:55
  4. 4.A film starts at 4:25 and ends at 6:55. How long is the film? (a) 2 h 40 min (b) 1 h 30 min (c) 2 h 30 min (d) 3 h 30 min
  5. 5.What time will it be 45 minutes after 6:05? (a) 7:50 (b) 6:50 (c) 5:50 (d) 6:40
  6. 6.A film starts at 5:55 and ends at 6:25. How long is the film? (a) 20 min (b) 40 min (c) 30 min (d) 1 h 30 min
  7. 7.What time will it be 55 minutes after 3:15? (a) 3:10 (b) 5:10 (c) 4:10 (d) 4:00
  8. 8.What time will it be 45 minutes after 9:25? (a) 10:10 (b) 9:10 (c) 11:10 (d) 10:00
  9. 9.What time will it be 15 minutes after 6:50? (a) 6:55 (b) 7:05 (c) 6:05 (d) 8:05
  10. 10.What time will it be 30 minutes after 6:15? (a) 7:45 (b) 6:45 (c) 6:35 (d) 5:45
  11. 11.A film starts at 1:30 and ends at 3:05. How long is the film? (a) 35 min (b) 2 h 35 min (c) 1 h 45 min (d) 1 h 35 min
  12. 12.A film starts at 4:10 and ends at 5:15. How long is the film? (a) 5 min (b) 1 h 15 min (c) 2 h 5 min (d) 1 h 5 min
  13. 13.A film starts at 7:20 and ends at 8:15. How long is the film? (a) 1 h 5 min (b) 55 min (c) 1 h 55 min (d) 45 min
  14. 14.What time will it be 25 minutes after 9:25? (a) 8:50 (b) 10:50 (c) 9:50 (d) 9:40
  15. 15.What time was it 15 minutes before 3:05? (a) 3:00 (b) 2:50 (c) 1:50 (d) 3:50
  16. 16.What time will it be 40 minutes after 3:25? (a) 3:05 (b) 5:05 (c) 3:55 (d) 4:05
  17. 17.What time will it be 25 minutes after 3:15? (a) 3:40 (b) 2:40 (c) 3:30 (d) 4:40
  18. 18.What time will it be 15 minutes after 3:35? (a) 4:50 (b) 2:50 (c) 3:40 (d) 3:50
  19. 19.What time was it 20 minutes before 10:40? (a) 9:20 (b) 11:20 (c) 10:20 (d) 10:30
  20. 20.A film starts at 7:05 and ends at 10:05. How long is the film? (a) 4 h (b) 2 h (c) 3 h 10 min (d) 3 h
  21. 21.What time was it 15 minutes before 3:25? (a) 2:10 (b) 4:10 (c) 3:20 (d) 3:10
  22. 22.A film starts at 8:20 and ends at 10:35. How long is the film? (a) 2 h 25 min (b) 2 h 15 min (c) 1 h 15 min (d) 3 h 15 min
  23. 23.What time was it 15 minutes before 7:30? (a) 7:15 (b) 7:25 (c) 6:15 (d) 8:15
  24. 24.What time will it be 35 minutes after 10:05? (a) 9:40 (b) 10:30 (c) 10:40 (d) 11:40
  25. 25.What time will it be 55 minutes after 1:10? (a) 3:05 (b) 2:05 (c) 1:55 (d) 1:05
  26. 26.What time will it be 25 minutes after 2:00? (a) 1:25 (b) 2:25 (c) 3:25 (d) 2:15
  27. 27.What time will it be 55 minutes after 6:55? (a) 7:50 (b) 6:50 (c) 8:50 (d) 7:40
  28. 28.What time was it 25 minutes before 10:45? (a) 11:20 (b) 10:30 (c) 9:20 (d) 10:20
  29. 29.What time was it 20 minutes before 8:15? (a) 8:05 (b) 6:55 (c) 7:55 (d) 8:55
  30. 30.A film starts at 8:40 and ends at 10:00. How long is the film? (a) 20 min (b) 1 h 30 min (c) 1 h 20 min (d) 2 h 20 min
  31. 31.What time was it 50 minutes before 5:30? (a) 5:40 (b) 4:40 (c) 4:50 (d) 3:40
  32. 32.What time will it be 40 minutes after 8:30? (a) 9:10 (b) 9:00 (c) 10:10 (d) 8:10
  33. 33.What time will it be 50 minutes after 4:55? (a) 6:45 (b) 5:45 (c) 5:35 (d) 4:45
  34. 34.A film starts at 5:50 and ends at 6:50. How long is the film? (a) 1 h 10 min (b) 1 h (c) 50 min (d) 2 h
  35. 35.What time was it 35 minutes before 2:10? (a) 2:35 (b) 1:25 (c) 1:45 (d) 1:35
  36. 36.What time was it 45 minutes before 2:50? (a) 1:05 (b) 3:05 (c) 2:15 (d) 2:05
  37. 37.What time was it 50 minutes before 5:10? (a) 5:20 (b) 4:20 (c) 3:20 (d) 4:30
  38. 38.What time was it 30 minutes before 8:00? (a) 6:30 (b) 7:40 (c) 8:30 (d) 7:30
  39. 39.What time was it 30 minutes before 6:00? (a) 5:40 (b) 6:30 (c) 4:30 (d) 5:30
  40. 40.What time was it 35 minutes before 3:15? (a) 1:40 (b) 3:40 (c) 2:50 (d) 2:40

Answer key

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

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