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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 196 · 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.⏱️ A 76-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  2. 2.⏱️ Your video must be 90 seconds long. Your clips add up to 8 seconds. How many more seconds of video do you need?
  3. 3.⏱️ How many seconds are in 1 minute? (a) 10 (b) 100 (c) 60 (d) 30
  4. 4.⏱️ A 14-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  5. 5.⏱️ An 18-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  6. 6.⏱️ How many seconds is 5 minutes 42 seconds?
  7. 7.⏱️ A 93-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  8. 8.⏱️ How many seconds is 1 minute 9 seconds?
  9. 9.⏱️ A 28-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 59, 40 and 48 seconds. How long is the video (in seconds)?
  11. 11.⏱️ A 72-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  12. 12.⏱️ A 10-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  13. 13.⏱️ Your video must be 90 seconds long. Your clips add up to 59 seconds. How many more seconds of video do you need?
  14. 14.⏱️ A 19-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  15. 15.⏱️ A video is 70 seconds long. How long is that in minutes and seconds? (a) 1 min 40 s (b) 3 min 10 s (c) 2 min 10 s (d) 1 min 10 s
  16. 16.⏱️ Your video must be 90 seconds long. Your clips add up to 36 seconds. How many more seconds of video do you need?
  17. 17.⏱️ How many seconds is 6 minutes 9 seconds?
  18. 18.⏱️ A video is 520 seconds long. How long is that in minutes and seconds? (a) 9 min 40 s (b) 8 min 40 s (c) 8 min 10 s (d) 5 min 20 s
  19. 19.⏱️ A video is 75 seconds long. How long is that in minutes and seconds? (a) 1 min 45 s (b) 3 min 15 s (c) 2 min 15 s (d) 1 min 15 s
  20. 20.⏱️ A 29-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  21. 21.⏱️ A video is 385 seconds long. How long is that in minutes and seconds? (a) 7 min 25 s (b) 6 min 55 s (c) 3 min 85 s (d) 6 min 25 s
  22. 22.⏱️ A video is 85 seconds long. How long is that in minutes and seconds? (a) 2 min 25 s (b) 1 min 55 s (c) 3 min 25 s (d) 1 min 25 s
  23. 23.⏱️ How many seconds is 1 minute 31 seconds?
  24. 24.⏱️ A video is 550 seconds long. How long is that in minutes and seconds? (a) 10 min 10 s (b) 9 min 40 s (c) 9 min 10 s (d) 5 min 50 s
  25. 25.⏱️ A 22-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  26. 26.⏱️ How many seconds is 2 minutes 47 seconds?
  27. 27.⏱️ A 56-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  28. 28.⏱️ 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) 3 min 15 s (d) 2 min 45 s
  29. 29.⏱️ Your video must be 120 seconds long. Your clips add up to 41 seconds. How many more seconds of video do you need?
  30. 30.⏱️ A 36-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  31. 31.⏱️ How many seconds is 5 minutes 41 seconds?
  32. 32.⏱️ How many seconds is 2 minutes 22 seconds?
  33. 33.⏱️ How many seconds is 8 minutes 34 seconds?
  34. 34.⏱️ A video is 430 seconds long. How long is that in minutes and seconds? (a) 4 min 30 s (b) 7 min 40 s (c) 8 min 10 s (d) 7 min 10 s
  35. 35.⏱️ A 92-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  36. 36.⏱️ A video has three clips of 16, 22 and 5 seconds. How long is the video (in seconds)?
  37. 37.⏱️ When you put clips one after another, the video length is … (a) the longest clip (b) always 1 minute (c) the shortest clip (d) the sum of the clips
  38. 38.⏱️ A 42-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  39. 39.⏱️ A video has three clips of 42, 48 and 29 seconds. How long is the video (in seconds)?
  40. 40.⏱️ Speeding a clip up to 2× makes it … (a) the same length (b) twice as long (c) half as long (d) silent

Answer key

  1. 38
  2. 82
  3. 60
  4. 7
  5. 9
  6. 342
  7. 31
  8. 69
  9. 56
  10. 147
  11. 24
  12. 20
  13. 31
  14. 38
  15. 1 min 10 s
  16. 54
  17. 369
  18. 8 min 40 s
  19. 1 min 15 s
  20. 58
  21. 6 min 25 s
  22. 1 min 25 s
  23. 91
  24. 9 min 10 s
  25. 11
  26. 167
  27. 28
  28. 2 min 15 s
  29. 79
  30. 9
  31. 341
  32. 142
  33. 514
  34. 7 min 10 s
  35. 23
  36. 43
  37. the sum of the clips
  38. 14
  39. 119
  40. half as long

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