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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 116 · 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.A film starts at 4:35 and ends at 5:00. How long is the film? (a) 15 min (b) 1 h 25 min (c) 25 min (d) 35 min
  2. 2.A film starts at 2:35 and ends at 4:30. How long is the film? (a) 2 h 5 min (b) 2 h 55 min (c) 1 h 55 min (d) 55 min
  3. 3.A film starts at 2:30 and ends at 5:15. How long is the film? (a) 1 h 45 min (b) 2 h 55 min (c) 3 h 45 min (d) 2 h 45 min
  4. 4.A film starts at 2:00 and ends at 3:15. How long is the film? (a) 2 h 15 min (b) 15 min (c) 1 h 25 min (d) 1 h 15 min
  5. 5.What time will it be 50 minutes after 1:25? (a) 2:05 (b) 3:15 (c) 1:15 (d) 2:15
  6. 6.What time will it be 40 minutes after 1:45? (a) 1:25 (b) 3:25 (c) 2:25 (d) 2:15
  7. 7.A film starts at 2:25 and ends at 2:45. How long is the film? (a) 30 min (b) 10 min (c) 1 h 20 min (d) 20 min
  8. 8.What time was it 20 minutes before 3:10? (a) 1:50 (b) 2:50 (c) 3:00 (d) 3:50
  9. 9.What time will it be 25 minutes after 9:10? (a) 9:35 (b) 8:35 (c) 9:25 (d) 10:35
  10. 10.A film starts at 5:20 and ends at 6:05. How long is the film? (a) 55 min (b) 1 h 45 min (c) 35 min (d) 45 min
  11. 11.What time will it be 35 minutes after 5:30? (a) 5:05 (b) 6:05 (c) 7:05 (d) 5:55
  12. 12.What time will it be 45 minutes after 6:55? (a) 6:40 (b) 8:40 (c) 7:40 (d) 7:30
  13. 13.A film starts at 7:20 and ends at 7:40. How long is the film? (a) 30 min (b) 1 h 20 min (c) 10 min (d) 20 min
  14. 14.What time was it 45 minutes before 11:00? (a) 11:15 (b) 10:25 (c) 9:15 (d) 10:15
  15. 15.What time was it 45 minutes before 3:10? (a) 2:25 (b) 2:35 (c) 3:25 (d) 1:25
  16. 16.A film starts at 1:35 and ends at 4:15. How long is the film? (a) 1 h 40 min (b) 3 h 40 min (c) 2 h 50 min (d) 2 h 40 min
  17. 17.What time will it be 40 minutes after 10:20? (a) 10:00 (b) 10:50 (c) 12:00 (d) 11:00
  18. 18.What time was it 45 minutes before 2:50? (a) 1:05 (b) 2:15 (c) 2:05 (d) 3:05
  19. 19.What time will it be 25 minutes after 2:35? (a) 2:50 (b) 4:00 (c) 3:00 (d) 2:00
  20. 20.What time was it 15 minutes before 6:25? (a) 5:10 (b) 6:20 (c) 7:10 (d) 6:10
  21. 21.What time was it 40 minutes before 4:25? (a) 2:45 (b) 4:45 (c) 3:55 (d) 3:45
  22. 22.What time will it be 45 minutes after 2:00? (a) 2:45 (b) 1:45 (c) 2:35 (d) 3:45
  23. 23.What time will it be 40 minutes after 4:35? (a) 5:05 (b) 4:15 (c) 5:15 (d) 6:15
  24. 24.What time was it 45 minutes before 3:35? (a) 3:00 (b) 2:50 (c) 1:50 (d) 3:50
  25. 25.What time was it 35 minutes before 10:25? (a) 8:50 (b) 10:50 (c) 10:00 (d) 9:50
  26. 26.What time will it be 50 minutes after 10:15? (a) 12:05 (b) 10:55 (c) 11:05 (d) 10:05
  27. 27.What time was it 55 minutes before 3:15? (a) 2:30 (b) 2:20 (c) 1:20 (d) 3:20
  28. 28.What time will it be 50 minutes after 2:20? (a) 3:00 (b) 3:10 (c) 4:10 (d) 2:10
  29. 29.What time will it be 55 minutes after 5:25? (a) 6:10 (b) 6:20 (c) 7:20 (d) 5:20
  30. 30.What time will it be 20 minutes after 4:30? (a) 4:50 (b) 3:50 (c) 5:50 (d) 4:40
  31. 31.What time will it be 30 minutes after 5:55? (a) 6:25 (b) 5:25 (c) 7:25 (d) 6:15
  32. 32.What time was it 20 minutes before 3:05? (a) 1:45 (b) 2:55 (c) 2:45 (d) 3:45
  33. 33.What time was it 25 minutes before 11:35? (a) 12:10 (b) 11:20 (c) 11:10 (d) 10:10
  34. 34.What time was it 50 minutes before 8:55? (a) 8:05 (b) 9:05 (c) 7:05 (d) 8:15
  35. 35.What time will it be 40 minutes after 3:30? (a) 4:10 (b) 4:00 (c) 5:10 (d) 3:10
  36. 36.What time was it 50 minutes before 7:45? (a) 7:05 (b) 7:55 (c) 6:55 (d) 5:55
  37. 37.What time was it 15 minutes before 8:05? (a) 8:50 (b) 6:50 (c) 7:50 (d) 8:00
  38. 38.What time will it be 50 minutes after 7:00? (a) 7:50 (b) 7:40 (c) 6:50 (d) 8:50
  39. 39.What time was it 55 minutes before 10:20? (a) 9:35 (b) 9:25 (c) 8:25 (d) 10:25
  40. 40.What time was it 20 minutes before 9:30? (a) 8:10 (b) 9:20 (c) 9:10 (d) 10:10

Answer key

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

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