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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 206 · 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 video is 560 seconds long. How long is that in minutes and seconds? (a) 9 min 20 s (b) 10 min 20 s (c) 5 min 60 s (d) 9 min 50 s
  2. 2.⏱️ How many seconds is 8 minutes 6 seconds?
  3. 3.⏱️ How many seconds is 8 minutes 15 seconds?
  4. 4.⏱️ A video is 190 seconds long. How long is that in minutes and seconds? (a) 3 min 10 s (b) 1 min 90 s (c) 3 min 40 s (d) 4 min 10 s
  5. 5.⏱️ Your video must be 60 seconds long. Your clips add up to 24 seconds. How many more seconds of video do you need?
  6. 6.⏱️ A 5-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  7. 7.⏱️ A video has three clips of 28, 14 and 13 seconds. How long is the video (in seconds)?
  8. 8.⏱️ Your video must be 60 seconds long. Your clips add up to 9 seconds. How many more seconds of video do you need?
  9. 9.⏱️ When you put clips one after another, the video length is … (a) always 1 minute (b) the shortest clip (c) the longest clip (d) the sum of the clips
  10. 10.⏱️ How many seconds is 7 minutes 16 seconds?
  11. 11.⏱️ How many seconds are in 1 minute? (a) 10 (b) 60 (c) 100 (d) 30
  12. 12.⏱️ A 26-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  13. 13.⏱️ How many seconds is 5 minutes 12 seconds?
  14. 14.⏱️ A 12-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  15. 15.⏱️ A video is 385 seconds long. How long is that in minutes and seconds? (a) 3 min 85 s (b) 7 min 25 s (c) 6 min 25 s (d) 6 min 55 s
  16. 16.⏱️ A video has three clips of 9, 17 and 20 seconds. How long is the video (in seconds)?
  17. 17.⏱️ A video has three clips of 9, 24 and 17 seconds. How long is the video (in seconds)?
  18. 18.⏱️ 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) 1 min 25 s (d) 3 min 25 s
  19. 19.⏱️ A 90-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  20. 20.⏱️ A video has three clips of 21, 40 and 21 seconds. How long is the video (in seconds)?
  21. 21.⏱️ Your video must be 60 seconds long. Your clips add up to 12 seconds. How many more seconds of video do you need?
  22. 22.⏱️ A video has three clips of 54, 27 and 60 seconds. How long is the video (in seconds)?
  23. 23.⏱️ Your video must be 90 seconds long. Your clips add up to 74 seconds. How many more seconds of video do you need?
  24. 24.⏱️ How many seconds is 1 minute 44 seconds?
  25. 25.⏱️ A video is 455 seconds long. How long is that in minutes and seconds? (a) 4 min 55 s (b) 8 min 35 s (c) 7 min 5 s (d) 7 min 35 s
  26. 26.⏱️ A 74-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  27. 27.⏱️ A video has three clips of 43, 52 and 37 seconds. How long is the video (in seconds)?
  28. 28.⏱️ Your video must be 120 seconds long. Your clips add up to 59 seconds. How many more seconds of video do you need?
  29. 29.⏱️ A video has three clips of 16, 14 and 31 seconds. How long is the video (in seconds)?
  30. 30.⏱️ An 8-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  31. 31.⏱️ A video is 470 seconds long. How long is that in minutes and seconds? (a) 8 min 50 s (b) 7 min 50 s (c) 7 min 20 s (d) 4 min 70 s
  32. 32.⏱️ Your video must be 90 seconds long. Your clips add up to 33 seconds. How many more seconds of video do you need?
  33. 33.⏱️ Speeding a clip up to 2× makes it … (a) silent (b) half as long (c) the same length (d) twice as long
  34. 34.⏱️ A video has three clips of 37, 58 and 47 seconds. How long is the video (in seconds)?
  35. 35.⏱️ A video has three clips of 56, 59 and 11 seconds. How long is the video (in seconds)?
  36. 36.⏱️ Your video must be 60 seconds long. Your clips add up to 45 seconds. How many more seconds of video do you need?
  37. 37.⏱️ Your video must be 180 seconds long. Your clips add up to 22 seconds. How many more seconds of video do you need?
  38. 38.⏱️ A video has three clips of 10, 18 and 18 seconds. How long is the video (in seconds)?
  39. 39.⏱️ A 10-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  40. 40.⏱️ A video is 585 seconds long. How long is that in minutes and seconds? (a) 10 min 45 s (b) 5 min 85 s (c) 9 min 45 s (d) 9 min 15 s

Answer key

  1. 9 min 20 s
  2. 486
  3. 495
  4. 3 min 10 s
  5. 36
  6. 10
  7. 55
  8. 51
  9. the sum of the clips
  10. 436
  11. 60
  12. 52
  13. 312
  14. 24
  15. 6 min 25 s
  16. 46
  17. 50
  18. 1 min 25 s
  19. 30
  20. 82
  21. 48
  22. 141
  23. 16
  24. 104
  25. 7 min 35 s
  26. 37
  27. 132
  28. 61
  29. 61
  30. 16
  31. 7 min 50 s
  32. 57
  33. half as long
  34. 142
  35. 126
  36. 15
  37. 158
  38. 46
  39. 20
  40. 9 min 45 s

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