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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 811 · 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 2:50? (a) 2:25 (b) 4:25 (c) 3:25 (d) 3:15
  2. 2.What time will it be 40 minutes after 2:50? (a) 3:20 (b) 2:30 (c) 4:30 (d) 3:30
  3. 3.What time was it 50 minutes before 7:25? (a) 7:35 (b) 6:35 (c) 6:45 (d) 5:35
  4. 4.What time was it 30 minutes before 4:00? (a) 4:30 (b) 3:40 (c) 3:30 (d) 2:30
  5. 5.What time was it 45 minutes before 2:05? (a) 2:20 (b) 1:30 (c) 1:10 (d) 1:20
  6. 6.A film starts at 5:50 and ends at 8:00. How long is the film? (a) 2 h 20 min (b) 3 h 10 min (c) 2 h 10 min (d) 1 h 10 min
  7. 7.What time was it 45 minutes before 11:45? (a) 12:00 (b) 11:10 (c) 11:00 (d) 10:00
  8. 8.What time will it be 45 minutes after 8:10? (a) 7:55 (b) 8:45 (c) 9:55 (d) 8:55
  9. 9.A film starts at 6:15 and ends at 7:35. How long is the film? (a) 20 min (b) 2 h 20 min (c) 1 h 30 min (d) 1 h 20 min
  10. 10.What time was it 45 minutes before 11:10? (a) 11:25 (b) 9:25 (c) 10:25 (d) 10:35
  11. 11.What time was it 55 minutes before 2:05? (a) 1:10 (b) 2:10 (c) 1:00 (d) 1:20
  12. 12.What time was it 30 minutes before 2:35? (a) 2:05 (b) 1:05 (c) 2:15 (d) 3:05
  13. 13.What time will it be 45 minutes after 2:25? (a) 4:10 (b) 3:10 (c) 2:10 (d) 3:00
  14. 14.A film starts at 6:00 and ends at 6:50. How long is the film? (a) 1 h 50 min (b) 1 h (c) 40 min (d) 50 min
  15. 15.What time was it 30 minutes before 7:45? (a) 7:25 (b) 7:15 (c) 8:15 (d) 6:15
  16. 16.What time will it be 50 minutes after 8:05? (a) 8:45 (b) 9:55 (c) 8:55 (d) 7:55
  17. 17.A film starts at 6:55 and ends at 7:35. How long is the film? (a) 1 h 40 min (b) 40 min (c) 50 min (d) 30 min
  18. 18.What time will it be 15 minutes after 6:45? (a) 7:00 (b) 6:00 (c) 8:00 (d) 6:50
  19. 19.What time will it be 20 minutes after 1:35? (a) 1:45 (b) 1:55 (c) 2:55 (d) 2:05
  20. 20.What time will it be 15 minutes after 8:10? (a) 8:25 (b) 8:15 (c) 7:25 (d) 9:25
  21. 21.What time will it be 40 minutes after 1:50? (a) 1:30 (b) 2:20 (c) 2:30 (d) 3:30
  22. 22.What time was it 45 minutes before 3:05? (a) 3:20 (b) 2:30 (c) 2:20 (d) 1:20
  23. 23.A film starts at 6:15 and ends at 6:45. How long is the film? (a) 40 min (b) 1 h 30 min (c) 30 min (d) 20 min
  24. 24.What time was it 40 minutes before 7:15? (a) 6:35 (b) 7:35 (c) 5:35 (d) 6:45
  25. 25.What time will it be 25 minutes after 9:50? (a) 11:15 (b) 9:15 (c) 10:05 (d) 10:15
  26. 26.A film starts at 3:20 and ends at 5:40. How long is the film? (a) 2 h 30 min (b) 1 h 20 min (c) 2 h 20 min (d) 3 h 20 min
  27. 27.A film starts at 4:00 and ends at 4:20. How long is the film? (a) 30 min (b) 1 h 20 min (c) 10 min (d) 20 min
  28. 28.What time was it 35 minutes before 11:25? (a) 11:50 (b) 11:00 (c) 9:50 (d) 10:50
  29. 29.What time will it be 15 minutes after 10:05? (a) 9:20 (b) 10:10 (c) 10:20 (d) 11:20
  30. 30.What time was it 15 minutes before 10:15? (a) 10:10 (b) 10:00 (c) 9:00 (d) 11:00
  31. 31.What time was it 20 minutes before 9:45? (a) 10:25 (b) 8:25 (c) 9:25 (d) 9:35
  32. 32.A film starts at 7:55 and ends at 8:40. How long is the film? (a) 35 min (b) 55 min (c) 45 min (d) 1 h 45 min
  33. 33.What time will it be 55 minutes after 7:05? (a) 8:00 (b) 7:50 (c) 9:00 (d) 7:00
  34. 34.What time will it be 25 minutes after 3:25? (a) 3:50 (b) 4:50 (c) 2:50 (d) 3:40
  35. 35.A film starts at 3:30 and ends at 5:50. How long is the film? (a) 2 h 20 min (b) 3 h 20 min (c) 2 h 30 min (d) 1 h 20 min
  36. 36.A film starts at 7:20 and ends at 8:50. How long is the film? (a) 1 h 40 min (b) 2 h 30 min (c) 30 min (d) 1 h 30 min
  37. 37.A film starts at 1:00 and ends at 1:35. How long is the film? (a) 1 h 35 min (b) 25 min (c) 45 min (d) 35 min
  38. 38.What time was it 35 minutes before 10:15? (a) 8:40 (b) 10:40 (c) 9:50 (d) 9:40
  39. 39.What time will it be 25 minutes after 5:15? (a) 5:40 (b) 4:40 (c) 5:30 (d) 6:40
  40. 40.What time will it be 55 minutes after 5:20? (a) 7:15 (b) 5:15 (c) 6:15 (d) 6:05

Answer key

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

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