← Video length sums lesson New set →

Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 242 · 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 has three clips of 26, 24 and 58 seconds. How long is the video (in seconds)?
  2. 2.⏱️ A 13-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 29, 60 and 25 seconds. How long is the video (in seconds)?
  4. 4.⏱️ How many seconds are in 1 minute? (a) 10 (b) 30 (c) 60 (d) 100
  5. 5.⏱️ A video has three clips of 29, 43 and 20 seconds. How long is the video (in seconds)?
  6. 6.⏱️ Your video must be 180 seconds long. Your clips add up to 6 seconds. How many more seconds of video do you need?
  7. 7.⏱️ A 36-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  8. 8.⏱️ A 136-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  9. 9.⏱️ Your video must be 60 seconds long. Your clips add up to 5 seconds. How many more seconds of video do you need?
  10. 10.⏱️ A 20-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  11. 11.⏱️ A 111-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  12. 12.⏱️ 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
  13. 13.⏱️ How many seconds is 5 minutes 14 seconds?
  14. 14.⏱️ A 74-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  15. 15.⏱️ A video has three clips of 9, 26 and 57 seconds. How long is the video (in seconds)?
  16. 16.⏱️ A 152-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  17. 17.⏱️ Your video must be 90 seconds long. Your clips add up to 17 seconds. How many more seconds of video do you need?
  18. 18.⏱️ How many seconds is 5 minutes 9 seconds?
  19. 19.⏱️ A video has three clips of 23, 35 and 49 seconds. How long is the video (in seconds)?
  20. 20.⏱️ A video is 410 seconds long. How long is that in minutes and seconds? (a) 6 min 20 s (b) 7 min 50 s (c) 4 min 10 s (d) 6 min 50 s
  21. 21.⏱️ Your video must be 90 seconds long. Your clips add up to 83 seconds. How many more seconds of video do you need?
  22. 22.⏱️ How many seconds is 5 minutes 55 seconds?
  23. 23.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) the same length (c) silent (d) half as long
  24. 24.⏱️ A 24-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 59 seconds. How many more seconds of video do you need?
  26. 26.⏱️ A 60-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  27. 27.⏱️ An 11-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  28. 28.⏱️ A 64-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  29. 29.⏱️ Your video must be 120 seconds long. Your clips add up to 10 seconds. How many more seconds of video do you need?
  30. 30.⏱️ Your video must be 90 seconds long. Your clips add up to 62 seconds. How many more seconds of video do you need?
  31. 31.⏱️ A 26-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  32. 32.⏱️ A 15-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  33. 33.⏱️ A 120-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  34. 34.⏱️ A video is 565 seconds long. How long is that in minutes and seconds? (a) 5 min 65 s (b) 9 min 55 s (c) 10 min 25 s (d) 9 min 25 s
  35. 35.⏱️ Your video must be 120 seconds long. Your clips add up to 6 seconds. How many more seconds of video do you need?
  36. 36.⏱️ A 3-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  37. 37.⏱️ A 10-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  38. 38.⏱️ A video has three clips of 37, 18 and 60 seconds. How long is the video (in seconds)?
  39. 39.⏱️ A video has three clips of 22, 46 and 14 seconds. How long is the video (in seconds)?
  40. 40.⏱️ A video is 60 seconds long. How long is that in minutes and seconds? (a) 1 min 0 s (b) 3 min 0 s (c) 1 min 30 s (d) 2 min 0 s

Answer key

  1. 108
  2. 26
  3. 114
  4. 60
  5. 92
  6. 174
  7. 9
  8. 34
  9. 55
  10. 40
  11. 37
  12. the sum of the clips
  13. 314
  14. 37
  15. 92
  16. 38
  17. 73
  18. 309
  19. 107
  20. 6 min 50 s
  21. 7
  22. 355
  23. half as long
  24. 12
  25. 61
  26. 15
  27. 22
  28. 32
  29. 110
  30. 28
  31. 13
  32. 5
  33. 40
  34. 9 min 25 s
  35. 114
  36. 6
  37. 20
  38. 115
  39. 82
  40. 1 min 0 s

Free animation and design lessons, practice and worksheets at talentjr.in/animation-for-kids