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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 513 · 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 45 minutes after 2:45? (a) 3:30 (b) 2:30 (c) 4:30 (d) 3:20
  2. 2.What time was it 55 minutes before 2:05? (a) 1:00 (b) 1:10 (c) 1:20 (d) 2:10
  3. 3.What time was it 50 minutes before 5:40? (a) 4:50 (b) 5:50 (c) 5:00 (d) 3:50
  4. 4.What time will it be 45 minutes after 2:35? (a) 4:20 (b) 3:10 (c) 2:20 (d) 3:20
  5. 5.What time will it be 50 minutes after 1:00? (a) 2:50 (b) 1:40 (c) 2:00 (d) 1:50
  6. 6.What time was it 20 minutes before 7:50? (a) 8:30 (b) 6:30 (c) 7:40 (d) 7:30
  7. 7.A film starts at 3:55 and ends at 4:35. How long is the film? (a) 30 min (b) 50 min (c) 1 h 40 min (d) 40 min
  8. 8.What time was it 50 minutes before 7:20? (a) 5:30 (b) 7:30 (c) 6:30 (d) 6:40
  9. 9.What time will it be 50 minutes after 8:10? (a) 8:00 (b) 10:00 (c) 9:00 (d) 8:50
  10. 10.A film starts at 2:00 and ends at 4:35. How long is the film? (a) 2 h 35 min (b) 3 h 35 min (c) 1 h 35 min (d) 2 h 45 min
  11. 11.What time was it 20 minutes before 5:30? (a) 6:10 (b) 5:20 (c) 4:10 (d) 5:10
  12. 12.A film starts at 4:45 and ends at 7:30. How long is the film? (a) 1 h 45 min (b) 3 h 45 min (c) 2 h 55 min (d) 2 h 45 min
  13. 13.What time was it 40 minutes before 3:35? (a) 1:55 (b) 3:55 (c) 3:05 (d) 2:55
  14. 14.What time was it 15 minutes before 10:05? (a) 9:50 (b) 10:00 (c) 8:50 (d) 10:50
  15. 15.What time was it 25 minutes before 3:05? (a) 3:40 (b) 1:40 (c) 2:50 (d) 2:40
  16. 16.What time will it be 45 minutes after 4:50? (a) 5:25 (b) 5:35 (c) 6:35 (d) 4:35
  17. 17.What time will it be 20 minutes after 1:40? (a) 2:00 (b) 1:50 (c) 3:00 (d) 1:00
  18. 18.What time will it be 30 minutes after 6:40? (a) 6:10 (b) 8:10 (c) 7:00 (d) 7:10
  19. 19.What time was it 55 minutes before 4:05? (a) 3:10 (b) 4:10 (c) 3:20 (d) 2:10
  20. 20.A film starts at 1:50 and ends at 3:10. How long is the film? (a) 1 h 30 min (b) 1 h 20 min (c) 2 h 20 min (d) 20 min
  21. 21.What time will it be 15 minutes after 3:50? (a) 4:05 (b) 3:55 (c) 5:05 (d) 3:05
  22. 22.A film starts at 6:15 and ends at 7:35. How long is the film? (a) 2 h 20 min (b) 20 min (c) 1 h 20 min (d) 1 h 30 min
  23. 23.A film starts at 5:35 and ends at 6:25. How long is the film? (a) 1 h (b) 50 min (c) 40 min (d) 1 h 50 min
  24. 24.What time was it 30 minutes before 11:55? (a) 11:25 (b) 11:35 (c) 10:25 (d) 12:25
  25. 25.What time was it 35 minutes before 7:25? (a) 7:50 (b) 7:00 (c) 6:50 (d) 5:50
  26. 26.A film starts at 1:50 and ends at 2:45. How long is the film? (a) 45 min (b) 1 h 55 min (c) 55 min (d) 1 h 5 min
  27. 27.What time was it 45 minutes before 11:50? (a) 10:05 (b) 11:05 (c) 11:15 (d) 12:05
  28. 28.What time was it 15 minutes before 10:50? (a) 11:35 (b) 9:35 (c) 10:45 (d) 10:35
  29. 29.A film starts at 3:50 and ends at 6:35. How long is the film? (a) 2 h 55 min (b) 3 h 45 min (c) 1 h 45 min (d) 2 h 45 min
  30. 30.A film starts at 1:05 and ends at 1:40. How long is the film? (a) 35 min (b) 1 h 35 min (c) 25 min (d) 45 min
  31. 31.What time will it be 55 minutes after 8:55? (a) 9:50 (b) 8:50 (c) 9:40 (d) 10:50
  32. 32.What time was it 25 minutes before 3:30? (a) 4:05 (b) 3:05 (c) 3:15 (d) 2:05
  33. 33.A film starts at 2:15 and ends at 2:35. How long is the film? (a) 1 h 20 min (b) 10 min (c) 20 min (d) 30 min
  34. 34.A film starts at 1:00 and ends at 1:25. How long is the film? (a) 35 min (b) 1 h 25 min (c) 15 min (d) 25 min
  35. 35.What time was it 45 minutes before 5:30? (a) 4:55 (b) 4:45 (c) 5:45 (d) 3:45
  36. 36.What time will it be 20 minutes after 4:25? (a) 4:35 (b) 4:45 (c) 3:45 (d) 5:45
  37. 37.What time will it be 45 minutes after 3:10? (a) 3:55 (b) 2:55 (c) 4:55 (d) 3:45
  38. 38.What time will it be 20 minutes after 3:45? (a) 4:05 (b) 3:05 (c) 3:55 (d) 5:05
  39. 39.What time was it 20 minutes before 10:55? (a) 11:35 (b) 10:35 (c) 10:45 (d) 9:35
  40. 40.What time was it 45 minutes before 8:15? (a) 7:40 (b) 6:30 (c) 7:30 (d) 8:30

Answer key

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

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