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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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