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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 264 · 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.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) half as long (c) the same length (d) silent
  2. 2.⏱️ A video has three clips of 59, 36 and 33 seconds. How long is the video (in seconds)?
  3. 3.⏱️ A video is 250 seconds long. How long is that in minutes and seconds? (a) 4 min 40 s (b) 2 min 50 s (c) 4 min 10 s (d) 5 min 10 s
  4. 4.⏱️ A 10-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  5. 5.⏱️ A video has three clips of 42, 38 and 19 seconds. How long is the video (in seconds)?
  6. 6.⏱️ A video has three clips of 28, 21 and 6 seconds. How long is the video (in seconds)?
  7. 7.⏱️ A 13-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  8. 8.⏱️ How many seconds is 4 minutes 3 seconds?
  9. 9.⏱️ Your video must be 90 seconds long. Your clips add up to 27 seconds. How many more seconds of video do you need?
  10. 10.⏱️ A video has three clips of 24, 21 and 16 seconds. How long is the video (in seconds)?
  11. 11.⏱️ Your video must be 60 seconds long. Your clips add up to 27 seconds. How many more seconds of video do you need?
  12. 12.⏱️ A 4-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  13. 13.⏱️ A 26-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  14. 14.⏱️ A video is 320 seconds long. How long is that in minutes and seconds? (a) 3 min 20 s (b) 5 min 50 s (c) 5 min 20 s (d) 6 min 20 s
  15. 15.⏱️ A 29-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  16. 16.⏱️ A video is 265 seconds long. How long is that in minutes and seconds? (a) 2 min 65 s (b) 4 min 55 s (c) 4 min 25 s (d) 5 min 25 s
  17. 17.⏱️ A video is 230 seconds long. How long is that in minutes and seconds? (a) 2 min 30 s (b) 4 min 50 s (c) 3 min 50 s (d) 3 min 20 s
  18. 18.⏱️ An 88-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  19. 19.⏱️ Your video must be 60 seconds long. Your clips add up to 51 seconds. How many more seconds of video do you need?
  20. 20.⏱️ A video has three clips of 18, 9 and 26 seconds. How long is the video (in seconds)?
  21. 21.⏱️ A 108-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  22. 22.⏱️ When you put clips one after another, the video length is … (a) the sum of the clips (b) the shortest clip (c) always 1 minute (d) the longest clip
  23. 23.⏱️ Your video must be 60 seconds long. Your clips add up to 52 seconds. How many more seconds of video do you need?
  24. 24.⏱️ A 36-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  25. 25.⏱️ Your video must be 120 seconds long. Your clips add up to 102 seconds. How many more seconds of video do you need?
  26. 26.⏱️ A video has three clips of 25, 14 and 16 seconds. How long is the video (in seconds)?
  27. 27.⏱️ A 26-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  28. 28.⏱️ A 9-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  29. 29.⏱️ A 16-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  30. 30.⏱️ How many seconds is 2 minutes 23 seconds?
  31. 31.⏱️ How many seconds are in 1 minute? (a) 60 (b) 100 (c) 30 (d) 10
  32. 32.⏱️ A video has three clips of 59, 54 and 30 seconds. How long is the video (in seconds)?
  33. 33.⏱️ How many seconds is 1 minute 25 seconds?
  34. 34.⏱️ A 60-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  35. 35.⏱️ How many seconds is 4 minutes 25 seconds?
  36. 36.⏱️ A 25-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  37. 37.⏱️ A video has three clips of 58, 12 and 48 seconds. How long is the video (in seconds)?
  38. 38.⏱️ A 5-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  39. 39.⏱️ A video is 160 seconds long. How long is that in minutes and seconds? (a) 3 min 40 s (b) 2 min 10 s (c) 1 min 60 s (d) 2 min 40 s
  40. 40.⏱️ How many seconds is 2 minutes 17 seconds?

Answer key

  1. half as long
  2. 128
  3. 4 min 10 s
  4. 20
  5. 99
  6. 55
  7. 26
  8. 243
  9. 63
  10. 61
  11. 33
  12. 8
  13. 52
  14. 5 min 20 s
  15. 58
  16. 4 min 25 s
  17. 3 min 50 s
  18. 22
  19. 9
  20. 53
  21. 27
  22. the sum of the clips
  23. 8
  24. 18
  25. 18
  26. 55
  27. 13
  28. 18
  29. 8
  30. 143
  31. 60
  32. 143
  33. 85
  34. 30
  35. 265
  36. 50
  37. 118
  38. 10
  39. 2 min 40 s
  40. 137

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