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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 256 · 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) the shortest clip (b) always 1 minute (c) the longest clip (d) the sum of the clips
  2. 2.⏱️ An 18-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  3. 3.⏱️ Your video must be 60 seconds long. Your clips add up to 50 seconds. How many more seconds of video do you need?
  4. 4.⏱️ Your video must be 60 seconds long. Your clips add up to 51 seconds. How many more seconds of video do you need?
  5. 5.⏱️ A 32-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  6. 6.⏱️ A video is 410 seconds long. How long is that in minutes and seconds? (a) 4 min 10 s (b) 6 min 50 s (c) 7 min 50 s (d) 6 min 20 s
  7. 7.⏱️ Your video must be 90 seconds long. Your clips add up to 29 seconds. How many more seconds of video do you need?
  8. 8.⏱️ A video has three clips of 10, 33 and 7 seconds. How long is the video (in seconds)?
  9. 9.⏱️ A video is 245 seconds long. How long is that in minutes and seconds? (a) 4 min 35 s (b) 4 min 5 s (c) 5 min 5 s (d) 2 min 45 s
  10. 10.⏱️ A video has three clips of 54, 7 and 37 seconds. How long is the video (in seconds)?
  11. 11.⏱️ How many seconds are in 1 minute? (a) 60 (b) 30 (c) 100 (d) 10
  12. 12.⏱️ How many seconds is 1 minute 49 seconds?
  13. 13.⏱️ Your video must be 180 seconds long. Your clips add up to 74 seconds. How many more seconds of video do you need?
  14. 14.⏱️ How many seconds is 6 minutes 28 seconds?
  15. 15.⏱️ How many seconds is 4 minutes 41 seconds?
  16. 16.⏱️ A 28-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  17. 17.⏱️ How many seconds is 3 minutes 28 seconds?
  18. 18.⏱️ A 5-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  19. 19.⏱️ A 36-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  20. 20.⏱️ A video has three clips of 9, 25 and 54 seconds. How long is the video (in seconds)?
  21. 21.⏱️ A 30-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  22. 22.⏱️ A video has three clips of 22, 10 and 34 seconds. How long is the video (in seconds)?
  23. 23.⏱️ A video has three clips of 21, 15 and 53 seconds. How long is the video (in seconds)?
  24. 24.⏱️ A 68-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  25. 25.⏱️ A video has three clips of 12, 9 and 58 seconds. How long is the video (in seconds)?
  26. 26.⏱️ A video is 520 seconds long. How long is that in minutes and seconds? (a) 9 min 40 s (b) 5 min 20 s (c) 8 min 10 s (d) 8 min 40 s
  27. 27.⏱️ Your video must be 120 seconds long. Your clips add up to 32 seconds. How many more seconds of video do you need?
  28. 28.⏱️ Speeding a clip up to 2× makes it … (a) half as long (b) the same length (c) twice as long (d) silent
  29. 29.⏱️ A 6-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  30. 30.⏱️ A video is 85 seconds long. How long is that in minutes and seconds? (a) 1 min 55 s (b) 3 min 25 s (c) 1 min 25 s (d) 2 min 25 s
  31. 31.⏱️ Your video must be 120 seconds long. Your clips add up to 78 seconds. How many more seconds of video do you need?
  32. 32.⏱️ Your video must be 60 seconds long. Your clips add up to 54 seconds. How many more seconds of video do you need?
  33. 33.⏱️ A video is 90 seconds long. How long is that in minutes and seconds? (a) 3 min 30 s (b) 1 min 0 s (c) 1 min 30 s (d) 2 min 30 s
  34. 34.⏱️ Your video must be 90 seconds long. Your clips add up to 49 seconds. How many more seconds of video do you need?
  35. 35.⏱️ How many seconds is 4 minutes 37 seconds?
  36. 36.⏱️ An 8-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  37. 37.⏱️ Your video must be 180 seconds long. Your clips add up to 124 seconds. How many more seconds of video do you need?
  38. 38.⏱️ A video is 160 seconds long. How long is that in minutes and seconds? (a) 2 min 10 s (b) 2 min 40 s (c) 3 min 40 s (d) 1 min 60 s
  39. 39.⏱️ Your video must be 120 seconds long. Your clips add up to 49 seconds. How many more seconds of video do you need?
  40. 40.⏱️ A 45-second clip is sped up to 3× speed. How long does it last now (in seconds)?

Answer key

  1. the sum of the clips
  2. 9
  3. 10
  4. 9
  5. 8
  6. 6 min 50 s
  7. 61
  8. 50
  9. 4 min 5 s
  10. 98
  11. 60
  12. 109
  13. 106
  14. 388
  15. 281
  16. 56
  17. 208
  18. 10
  19. 18
  20. 88
  21. 60
  22. 66
  23. 89
  24. 17
  25. 79
  26. 8 min 40 s
  27. 88
  28. half as long
  29. 12
  30. 1 min 25 s
  31. 42
  32. 6
  33. 1 min 30 s
  34. 41
  35. 277
  36. 16
  37. 56
  38. 2 min 40 s
  39. 71
  40. 15

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