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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 43 · 40 questions
TalentJR

Creator's tip (Add the clips): Video length = the clips added up. Minutes → seconds: × 60, then add the extra seconds. Seconds → minutes: take away 60 as many times as it fits. Still needed = target − what you have; 2× speed halves the time, half speed doubles it.

NameDateTime takenScore ___ / 40
  1. 1.⏱️ When you put clips one after another, the video length is … (a) always 1 minute (b) the sum of the clips (c) the shortest clip (d) the longest clip
  2. 2.⏱️ Your video must be 90 seconds long. Your clips add up to 13 seconds. How many more seconds of video do you need?
  3. 3.⏱️ How many seconds is 8 minutes 1 second?
  4. 4.⏱️ Your video must be 180 seconds long. Your clips add up to 48 seconds. How many more seconds of video do you need?
  5. 5.⏱️ A video is 355 seconds long. How long is that in minutes and seconds? (a) 5 min 25 s (b) 6 min 55 s (c) 3 min 55 s (d) 5 min 55 s
  6. 6.⏱️ Your video must be 90 seconds long. Your clips add up to 7 seconds. How many more seconds of video do you need?
  7. 7.⏱️ A video has three clips of 15, 38 and 59 seconds. How long is the video (in seconds)?
  8. 8.⏱️ A 100-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  9. 9.⏱️ A 19-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  10. 10.⏱️ A video has three clips of 6, 12 and 48 seconds. How long is the video (in seconds)?
  11. 11.⏱️ Your video must be 60 seconds long. Your clips add up to 23 seconds. How many more seconds of video do you need?
  12. 12.⏱️ A video has three clips of 57, 10 and 36 seconds. How long is the video (in seconds)?
  13. 13.⏱️ How many seconds is 8 minutes 52 seconds?
  14. 14.⏱️ How many seconds are in 1 minute? (a) 30 (b) 10 (c) 60 (d) 100
  15. 15.⏱️ How many seconds is 2 minutes 48 seconds?
  16. 16.⏱️ Your video must be 180 seconds long. Your clips add up to 155 seconds. How many more seconds of video do you need?
  17. 17.⏱️ A video has three clips of 47, 21 and 19 seconds. How long is the video (in seconds)?
  18. 18.⏱️ How many seconds is 8 minutes 59 seconds?
  19. 19.⏱️ A 20-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  20. 20.⏱️ An 8-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  21. 21.⏱️ Your video must be 180 seconds long. Your clips add up to 24 seconds. How many more seconds of video do you need?
  22. 22.⏱️ A 9-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  23. 23.⏱️ A video has three clips of 13, 35 and 57 seconds. How long is the video (in seconds)?
  24. 24.⏱️ How many seconds is 5 minutes 34 seconds?
  25. 25.⏱️ How many seconds is 6 minutes 58 seconds?
  26. 26.⏱️ A 114-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  27. 27.⏱️ A video is 265 seconds long. How long is that in minutes and seconds? (a) 4 min 55 s (b) 2 min 65 s (c) 5 min 25 s (d) 4 min 25 s
  28. 28.⏱️ A 3-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  29. 29.⏱️ Your video must be 60 seconds long. Your clips add up to 30 seconds. How many more seconds of video do you need?
  30. 30.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) silent (c) the same length (d) half as long
  31. 31.⏱️ How many seconds is 2 minutes 18 seconds?
  32. 32.⏱️ Your video must be 60 seconds long. Your clips add up to 9 seconds. How many more seconds of video do you need?
  33. 33.⏱️ A video is 510 seconds long. How long is that in minutes and seconds? (a) 5 min 10 s (b) 8 min 0 s (c) 9 min 30 s (d) 8 min 30 s
  34. 34.⏱️ A video is 135 seconds long. How long is that in minutes and seconds? (a) 2 min 15 s (b) 1 min 35 s (c) 2 min 45 s (d) 3 min 15 s
  35. 35.⏱️ Your video must be 60 seconds long. Your clips add up to 50 seconds. How many more seconds of video do you need?
  36. 36.⏱️ Your video must be 120 seconds long. Your clips add up to 31 seconds. How many more seconds of video do you need?
  37. 37.⏱️ A 6-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  38. 38.⏱️ A 7-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  39. 39.⏱️ A 16-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  40. 40.⏱️ A video is 485 seconds long. How long is that in minutes and seconds? (a) 4 min 85 s (b) 8 min 35 s (c) 8 min 5 s (d) 9 min 5 s

Answer key

  1. the sum of the clips
  2. 77
  3. 481
  4. 132
  5. 5 min 55 s
  6. 83
  7. 112
  8. 25
  9. 38
  10. 66
  11. 37
  12. 103
  13. 532
  14. 60
  15. 168
  16. 25
  17. 87
  18. 539
  19. 10
  20. 16
  21. 156
  22. 18
  23. 105
  24. 334
  25. 418
  26. 38
  27. 4 min 25 s
  28. 6
  29. 30
  30. half as long
  31. 138
  32. 51
  33. 8 min 30 s
  34. 2 min 15 s
  35. 10
  36. 89
  37. 12
  38. 14
  39. 8
  40. 8 min 5 s

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