Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 183 · 40 questions

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.

1. 1.⏱️ When you put clips one after another, the video length is … (a) the shortest clip (b) the longest clip (c) the sum of the clips (d) always 1 minute
2. 2.⏱️ A 17-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
3. 3.⏱️ A 48-second clip is sped up to 2× speed. How long does it last now (in seconds)?
4. 4.⏱️ A 13-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 20, 55 and 44 seconds. How long is the video (in seconds)?
6. 6.⏱️ A video is 150 seconds long. How long is that in minutes and seconds? (a) 3 min 30 s (b) 1 min 50 s (c) 2 min 30 s (d) 2 min 0 s
7. 7.⏱️ How many seconds is 1 minute 48 seconds?
8. 8.⏱️ A video has three clips of 29, 19 and 24 seconds. How long is the video (in seconds)?
9. 9.⏱️ An 8-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 39, 46 and 8 seconds. How long is the video (in seconds)?
11. 11.⏱️ A 40-second clip is sped up to 2× speed. How long does it last now (in seconds)?
12. 12.⏱️ A video has three clips of 25, 23 and 27 seconds. How long is the video (in seconds)?
13. 13.⏱️ A video has three clips of 23, 34 and 13 seconds. How long is the video (in seconds)?
14. 14.⏱️ A 30-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
15. 15.⏱️ How many seconds is 6 minutes 3 seconds?
16. 16.⏱️ A 19-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
17. 17.⏱️ How many seconds is 7 minutes 58 seconds?
18. 18.⏱️ A 20-second clip is sped up to 2× speed. How long does it last now (in seconds)?
19. 19.⏱️ Your video must be 180 seconds long. Your clips add up to 70 seconds. How many more seconds of video do you need?
20. 20.⏱️ A 9-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
21. 21.⏱️ A video has three clips of 11, 51 and 12 seconds. How long is the video (in seconds)?
22. 22.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) half as long (c) silent (d) the same length
23. 23.⏱️ A 27-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
24. 24.⏱️ How many seconds is 5 minutes 9 seconds?
25. 25.⏱️ How many seconds is 3 minutes 55 seconds?
26. 26.⏱️ Your video must be 120 seconds long. Your clips add up to 57 seconds. How many more seconds of video do you need?
27. 27.⏱️ A video is 350 seconds long. How long is that in minutes and seconds? (a) 5 min 50 s (b) 6 min 50 s (c) 5 min 20 s (d) 3 min 50 s
28. 28.⏱️ How many seconds are in 1 minute? (a) 30 (b) 60 (c) 100 (d) 10
29. 29.⏱️ A video is 170 seconds long. How long is that in minutes and seconds? (a) 1 min 70 s (b) 2 min 50 s (c) 2 min 20 s (d) 3 min 50 s
30. 30.⏱️ Your video must be 60 seconds long. Your clips add up to 23 seconds. How many more seconds of video do you need?
31. 31.⏱️ Your video must be 90 seconds long. Your clips add up to 49 seconds. How many more seconds of video do you need?
32. 32.⏱️ A video is 190 seconds long. How long is that in minutes and seconds? (a) 1 min 90 s (b) 3 min 40 s (c) 4 min 10 s (d) 3 min 10 s
33. 33.⏱️ A 45-second clip is sped up to 3× speed. How long does it last now (in seconds)?
34. 34.⏱️ How many seconds is 1 minute 34 seconds?
35. 35.⏱️ A 27-second clip is sped up to 3× speed. How long does it last now (in seconds)?
36. 36.⏱️ Your video must be 60 seconds long. Your clips add up to 46 seconds. How many more seconds of video do you need?
37. 37.⏱️ How many seconds is 5 minutes 32 seconds?
38. 38.⏱️ A video has three clips of 50, 59 and 35 seconds. How long is the video (in seconds)?
39. 39.⏱️ A video has three clips of 47, 8 and 46 seconds. How long is the video (in seconds)?
40. 40.⏱️ A 15-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?

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