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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 283 · 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 2:40? (a) 3:20 (b) 1:20 (c) 2:20 (d) 2:30
  2. 2.What time will it be 35 minutes after 4:20? (a) 4:55 (b) 4:45 (c) 3:55 (d) 5:55
  3. 3.What time will it be 20 minutes after 6:10? (a) 6:20 (b) 5:30 (c) 6:30 (d) 7:30
  4. 4.What time was it 45 minutes before 10:45? (a) 10:10 (b) 10:00 (c) 9:00 (d) 11:00
  5. 5.What time was it 25 minutes before 10:10? (a) 9:45 (b) 9:55 (c) 10:45 (d) 8:45
  6. 6.What time was it 55 minutes before 8:55? (a) 8:00 (b) 9:00 (c) 8:10 (d) 7:00
  7. 7.What time will it be 30 minutes after 9:20? (a) 9:50 (b) 10:50 (c) 8:50 (d) 9:40
  8. 8.A film starts at 2:05 and ends at 5:00. How long is the film? (a) 3 h 5 min (b) 3 h 55 min (c) 1 h 55 min (d) 2 h 55 min
  9. 9.A film starts at 5:25 and ends at 6:10. How long is the film? (a) 55 min (b) 1 h 45 min (c) 45 min (d) 35 min
  10. 10.What time will it be 20 minutes after 7:40? (a) 9:00 (b) 8:00 (c) 7:00 (d) 7:50
  11. 11.A film starts at 6:00 and ends at 6:20. How long is the film? (a) 30 min (b) 1 h 20 min (c) 10 min (d) 20 min
  12. 12.What time was it 35 minutes before 2:15? (a) 1:40 (b) 2:40 (c) 1:50 (d) 1:30
  13. 13.What time was it 55 minutes before 9:05? (a) 8:10 (b) 8:20 (c) 7:10 (d) 9:10
  14. 14.A film starts at 1:25 and ends at 2:35. How long is the film? (a) 1 h 20 min (b) 1 h 10 min (c) 2 h 10 min (d) 10 min
  15. 15.What time was it 20 minutes before 10:30? (a) 9:10 (b) 10:20 (c) 10:10 (d) 11:10
  16. 16.What time was it 25 minutes before 3:25? (a) 3:00 (b) 3:10 (c) 4:00 (d) 2:00
  17. 17.What time will it be 25 minutes after 4:55? (a) 5:10 (b) 6:20 (c) 4:20 (d) 5:20
  18. 18.What time was it 20 minutes before 3:30? (a) 2:10 (b) 3:10 (c) 3:20 (d) 4:10
  19. 19.What time was it 40 minutes before 3:15? (a) 2:45 (b) 3:35 (c) 2:35 (d) 1:35
  20. 20.What time will it be 30 minutes after 2:10? (a) 3:40 (b) 1:40 (c) 2:40 (d) 2:30
  21. 21.What time will it be 35 minutes after 9:35? (a) 11:10 (b) 10:10 (c) 9:10 (d) 10:00
  22. 22.What time will it be 50 minutes after 5:00? (a) 5:40 (b) 4:50 (c) 6:50 (d) 5:50
  23. 23.What time was it 25 minutes before 8:10? (a) 6:45 (b) 8:45 (c) 7:45 (d) 7:55
  24. 24.What time will it be 15 minutes after 4:30? (a) 5:45 (b) 3:45 (c) 4:35 (d) 4:45
  25. 25.What time was it 50 minutes before 3:05? (a) 3:15 (b) 1:15 (c) 2:25 (d) 2:15
  26. 26.A film starts at 8:40 and ends at 9:00. How long is the film? (a) 30 min (b) 10 min (c) 20 min (d) 1 h 20 min
  27. 27.What time was it 50 minutes before 2:50? (a) 3:00 (b) 2:10 (c) 1:00 (d) 2:00
  28. 28.A film starts at 5:10 and ends at 6:00. How long is the film? (a) 1 h 50 min (b) 1 h (c) 50 min (d) 40 min
  29. 29.A film starts at 7:35 and ends at 8:40. How long is the film? (a) 1 h 15 min (b) 2 h 5 min (c) 5 min (d) 1 h 5 min
  30. 30.A film starts at 5:00 and ends at 6:25. How long is the film? (a) 1 h 25 min (b) 1 h 35 min (c) 25 min (d) 2 h 25 min
  31. 31.What time will it be 15 minutes after 2:05? (a) 2:10 (b) 2:20 (c) 3:20 (d) 1:20
  32. 32.A film starts at 8:35 and ends at 11:05. How long is the film? (a) 1 h 30 min (b) 2 h 40 min (c) 2 h 30 min (d) 3 h 30 min
  33. 33.A film starts at 8:15 and ends at 8:45. How long is the film? (a) 1 h 30 min (b) 20 min (c) 40 min (d) 30 min
  34. 34.A film starts at 8:40 and ends at 11:35. How long is the film? (a) 1 h 55 min (b) 3 h 55 min (c) 3 h 5 min (d) 2 h 55 min
  35. 35.What time was it 40 minutes before 2:15? (a) 1:45 (b) 1:25 (c) 1:35 (d) 2:35
  36. 36.A film starts at 6:50 and ends at 9:35. How long is the film? (a) 3 h 45 min (b) 1 h 45 min (c) 2 h 45 min (d) 2 h 55 min
  37. 37.A film starts at 1:30 and ends at 2:15. How long is the film? (a) 1 h 45 min (b) 55 min (c) 35 min (d) 45 min
  38. 38.What time will it be 25 minutes after 10:00? (a) 9:25 (b) 10:25 (c) 10:15 (d) 11:25
  39. 39.What time will it be 55 minutes after 7:15? (a) 8:00 (b) 8:10 (c) 9:10 (d) 7:10
  40. 40.What time will it be 40 minutes after 4:30? (a) 4:10 (b) 5:10 (c) 6:10 (d) 5:00

Answer key

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

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