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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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