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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 528 · 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 9:10? (a) 9:35 (b) 9:45 (c) 8:45 (d) 10:45
  2. 2.What time will it be 20 minutes after 1:00? (a) 1:10 (b) 2:20 (c) 1:30 (d) 1:20
  3. 3.What time will it be 15 minutes after 10:15? (a) 11:30 (b) 9:30 (c) 10:20 (d) 10:30
  4. 4.What time will it be 50 minutes after 6:25? (a) 6:15 (b) 7:05 (c) 7:15 (d) 8:15
  5. 5.What time was it 40 minutes before 5:50? (a) 6:10 (b) 5:10 (c) 4:10 (d) 5:20
  6. 6.What time was it 30 minutes before 3:30? (a) 4:00 (b) 2:00 (c) 3:00 (d) 3:10
  7. 7.What time will it be 15 minutes after 9:20? (a) 8:35 (b) 9:25 (c) 9:35 (d) 10:35
  8. 8.A film starts at 6:40 and ends at 7:05. How long is the film? (a) 25 min (b) 1 h 25 min (c) 15 min (d) 35 min
  9. 9.What time was it 25 minutes before 6:05? (a) 4:40 (b) 5:40 (c) 5:50 (d) 6:40
  10. 10.A film starts at 4:15 and ends at 5:45. How long is the film? (a) 30 min (b) 1 h 40 min (c) 1 h 30 min (d) 2 h 30 min
  11. 11.What time will it be 50 minutes after 6:45? (a) 6:35 (b) 8:35 (c) 7:35 (d) 7:25
  12. 12.What time was it 55 minutes before 7:25? (a) 6:30 (b) 5:30 (c) 6:40 (d) 7:30
  13. 13.What time was it 15 minutes before 4:20? (a) 5:05 (b) 3:05 (c) 4:15 (d) 4:05
  14. 14.What time will it be 45 minutes after 2:45? (a) 3:20 (b) 2:30 (c) 4:30 (d) 3:30
  15. 15.What time was it 40 minutes before 10:50? (a) 11:10 (b) 10:10 (c) 10:20 (d) 9:10
  16. 16.What time will it be 45 minutes after 1:45? (a) 1:30 (b) 2:30 (c) 3:30 (d) 2:20
  17. 17.What time was it 45 minutes before 5:15? (a) 3:30 (b) 4:40 (c) 5:30 (d) 4:30
  18. 18.What time was it 35 minutes before 6:40? (a) 6:15 (b) 6:05 (c) 5:05 (d) 7:05
  19. 19.A film starts at 2:15 and ends at 4:50. How long is the film? (a) 2 h 45 min (b) 2 h 35 min (c) 1 h 35 min (d) 3 h 35 min
  20. 20.What time will it be 55 minutes after 7:45? (a) 8:40 (b) 7:40 (c) 9:40 (d) 8:30
  21. 21.What time was it 35 minutes before 10:00? (a) 8:25 (b) 9:35 (c) 9:25 (d) 10:25
  22. 22.What time was it 35 minutes before 6:20? (a) 5:55 (b) 5:45 (c) 4:45 (d) 6:45
  23. 23.What time was it 40 minutes before 9:05? (a) 8:35 (b) 8:25 (c) 9:25 (d) 7:25
  24. 24.What time will it be 40 minutes after 6:50? (a) 6:30 (b) 7:20 (c) 7:30 (d) 8:30
  25. 25.What time was it 40 minutes before 6:30? (a) 6:50 (b) 6:00 (c) 4:50 (d) 5:50
  26. 26.A film starts at 8:10 and ends at 9:35. How long is the film? (a) 1 h 35 min (b) 2 h 25 min (c) 25 min (d) 1 h 25 min
  27. 27.What time will it be 35 minutes after 6:50? (a) 7:15 (b) 7:25 (c) 8:25 (d) 6:25
  28. 28.A film starts at 6:50 and ends at 7:15. How long is the film? (a) 35 min (b) 15 min (c) 25 min (d) 1 h 25 min
  29. 29.What time was it 55 minutes before 3:00? (a) 1:05 (b) 2:15 (c) 2:05 (d) 3:05
  30. 30.A film starts at 4:35 and ends at 5:55. How long is the film? (a) 1 h 20 min (b) 1 h 30 min (c) 20 min (d) 2 h 20 min
  31. 31.What time will it be 35 minutes after 4:50? (a) 5:15 (b) 5:25 (c) 4:25 (d) 6:25
  32. 32.What time will it be 45 minutes after 2:25? (a) 3:00 (b) 4:10 (c) 3:10 (d) 2:10
  33. 33.What time will it be 25 minutes after 10:10? (a) 9:35 (b) 10:25 (c) 11:35 (d) 10:35
  34. 34.A film starts at 5:50 and ends at 6:30. How long is the film? (a) 1 h 40 min (b) 50 min (c) 30 min (d) 40 min
  35. 35.What time was it 40 minutes before 6:50? (a) 7:10 (b) 6:10 (c) 6:20 (d) 5:10
  36. 36.What time was it 40 minutes before 7:25? (a) 6:55 (b) 7:45 (c) 5:45 (d) 6:45
  37. 37.What time will it be 55 minutes after 10:00? (a) 10:55 (b) 10:45 (c) 11:55 (d) 9:55
  38. 38.What time was it 45 minutes before 3:55? (a) 2:10 (b) 3:20 (c) 3:10 (d) 4:10
  39. 39.A film starts at 4:20 and ends at 4:45. How long is the film? (a) 35 min (b) 25 min (c) 1 h 25 min (d) 15 min
  40. 40.What time was it 45 minutes before 7:05? (a) 6:30 (b) 7:20 (c) 5:20 (d) 6:20

Answer key

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

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