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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 74 · 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 longest clip (b) always 1 minute (c) the sum of the clips (d) the shortest clip
  2. 2.⏱️ A 5-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  3. 3.⏱️ A video has three clips of 49, 21 and 37 seconds. How long is the video (in seconds)?
  4. 4.⏱️ A video is 95 seconds long. How long is that in minutes and seconds? (a) 1 min 35 s (b) 2 min 35 s (c) 3 min 35 s (d) 1 min 5 s
  5. 5.⏱️ A 78-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  6. 6.⏱️ How many seconds is 1 minute 1 second?
  7. 7.⏱️ Your video must be 120 seconds long. Your clips add up to 41 seconds. How many more seconds of video do you need?
  8. 8.⏱️ A 60-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  9. 9.⏱️ A 66-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  10. 10.⏱️ How many seconds is 3 minutes 28 seconds?
  11. 11.⏱️ A 12-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  12. 12.⏱️ Your video must be 90 seconds long. Your clips add up to 13 seconds. How many more seconds of video do you need?
  13. 13.⏱️ A video is 380 seconds long. How long is that in minutes and seconds? (a) 6 min 50 s (b) 7 min 20 s (c) 6 min 20 s (d) 3 min 80 s
  14. 14.⏱️ A video has three clips of 59, 58 and 49 seconds. How long is the video (in seconds)?
  15. 15.⏱️ How many seconds are in 1 minute? (a) 60 (b) 10 (c) 30 (d) 100
  16. 16.⏱️ Speeding a clip up to 2× makes it … (a) the same length (b) silent (c) half as long (d) twice as long
  17. 17.⏱️ Your video must be 120 seconds long. Your clips add up to 29 seconds. How many more seconds of video do you need?
  18. 18.⏱️ How many seconds is 4 minutes 3 seconds?
  19. 19.⏱️ A 66-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  20. 20.⏱️ A 29-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  21. 21.⏱️ How many seconds is 4 minutes 44 seconds?
  22. 22.⏱️ A video has three clips of 11, 54 and 27 seconds. How long is the video (in seconds)?
  23. 23.⏱️ How many seconds is 1 minute 59 seconds?
  24. 24.⏱️ A video has three clips of 43, 13 and 60 seconds. How long is the video (in seconds)?
  25. 25.⏱️ A video has three clips of 32, 45 and 16 seconds. How long is the video (in seconds)?
  26. 26.⏱️ How many seconds is 6 minutes 2 seconds?
  27. 27.⏱️ How many seconds is 8 minutes 47 seconds?
  28. 28.⏱️ A video has three clips of 38, 14 and 12 seconds. How long is the video (in seconds)?
  29. 29.⏱️ A 48-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  30. 30.⏱️ Your video must be 120 seconds long. Your clips add up to 10 seconds. How many more seconds of video do you need?
  31. 31.⏱️ A 34-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  32. 32.⏱️ A video is 90 seconds long. How long is that in minutes and seconds? (a) 1 min 0 s (b) 1 min 30 s (c) 3 min 30 s (d) 2 min 30 s
  33. 33.⏱️ How many seconds is 3 minutes 40 seconds?
  34. 34.⏱️ How many seconds is 5 minutes 34 seconds?
  35. 35.⏱️ A video has three clips of 19, 28 and 7 seconds. How long is the video (in seconds)?
  36. 36.⏱️ A video is 545 seconds long. How long is that in minutes and seconds? (a) 5 min 45 s (b) 10 min 5 s (c) 9 min 5 s (d) 9 min 35 s
  37. 37.⏱️ A 13-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  38. 38.⏱️ How many seconds is 1 minute 40 seconds?
  39. 39.⏱️ A video is 395 seconds long. How long is that in minutes and seconds? (a) 7 min 35 s (b) 3 min 95 s (c) 6 min 35 s (d) 6 min 5 s
  40. 40.⏱️ A video is 350 seconds long. How long is that in minutes and seconds? (a) 5 min 50 s (b) 3 min 50 s (c) 5 min 20 s (d) 6 min 50 s

Answer key

  1. the sum of the clips
  2. 10
  3. 107
  4. 1 min 35 s
  5. 26
  6. 61
  7. 79
  8. 15
  9. 22
  10. 208
  11. 24
  12. 77
  13. 6 min 20 s
  14. 166
  15. 60
  16. half as long
  17. 91
  18. 243
  19. 33
  20. 58
  21. 284
  22. 92
  23. 119
  24. 116
  25. 93
  26. 362
  27. 527
  28. 64
  29. 16
  30. 110
  31. 17
  32. 1 min 30 s
  33. 220
  34. 334
  35. 54
  36. 9 min 5 s
  37. 26
  38. 100
  39. 6 min 35 s
  40. 5 min 50 s

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