Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 269 · 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.⏱️ A video has three clips of 8, 53 and 51 seconds. How long is the video (in seconds)?
2. 2.⏱️ A 5-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
3. 3.⏱️ A 6-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
4. 4.⏱️ Your video must be 60 seconds long. Your clips add up to 19 seconds. How many more seconds of video do you need?
5. 5.⏱️ How many seconds is 6 minutes 31 seconds?
6. 6.⏱️ A video has three clips of 19, 15 and 26 seconds. How long is the video (in seconds)?
7. 7.⏱️ How many seconds are in 1 minute? (a) 10 (b) 60 (c) 30 (d) 100
8. 8.⏱️ How many seconds is 1 minute 55 seconds?
9. 9.⏱️ A video has three clips of 17, 32 and 60 seconds. How long is the video (in seconds)?
10. 10.⏱️ A video is 205 seconds long. How long is that in minutes and seconds? (a) 4 min 25 s (b) 2 min 5 s (c) 3 min 25 s (d) 3 min 55 s
11. 11.⏱️ An 84-second clip is sped up to 4× speed. How long does it last now (in seconds)?
12. 12.⏱️ A video has three clips of 15, 32 and 35 seconds. How long is the video (in seconds)?
13. 13.⏱️ How many seconds is 1 minute 25 seconds?
14. 14.⏱️ A video has three clips of 7, 5 and 49 seconds. How long is the video (in seconds)?
15. 15.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) the same length (c) half as long (d) silent
16. 16.⏱️ How many seconds is 6 minutes 10 seconds?
17. 17.⏱️ An 18-second clip is sped up to 2× speed. How long does it last now (in seconds)?
18. 18.⏱️ How many seconds is 7 minutes 27 seconds?
19. 19.⏱️ A video has three clips of 6, 27 and 42 seconds. How long is the video (in seconds)?
20. 20.⏱️ A video is 465 seconds long. How long is that in minutes and seconds? (a) 4 min 65 s (b) 8 min 45 s (c) 7 min 45 s (d) 7 min 15 s
21. 21.⏱️ How many seconds is 5 minutes 28 seconds?
22. 22.⏱️ How many seconds is 6 minutes 55 seconds?
23. 23.⏱️ How many seconds is 7 minutes 29 seconds?
24. 24.⏱️ A video is 390 seconds long. How long is that in minutes and seconds? (a) 6 min 0 s (b) 6 min 30 s (c) 7 min 30 s (d) 3 min 90 s
25. 25.⏱️ A 17-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
26. 26.⏱️ How many seconds is 8 minutes 5 seconds?
27. 27.⏱️ A 10-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
28. 28.⏱️ A video has three clips of 56, 38 and 18 seconds. How long is the video (in seconds)?
29. 29.⏱️ When you put clips one after another, the video length is … (a) the longest clip (b) the shortest clip (c) the sum of the clips (d) always 1 minute
30. 30.⏱️ A 3-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
31. 31.⏱️ How many seconds is 2 minutes 6 seconds?
32. 32.⏱️ A 19-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
33. 33.⏱️ A video has three clips of 18, 34 and 15 seconds. How long is the video (in seconds)?
34. 34.⏱️ A 56-second clip is sped up to 4× speed. How long does it last now (in seconds)?
35. 35.⏱️ An 11-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
36. 36.⏱️ How many seconds is 3 minutes 59 seconds?
37. 37.⏱️ A 24-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 24 seconds?
39. 39.⏱️ A video has three clips of 53, 21 and 36 seconds. How long is the video (in seconds)?
40. 40.⏱️ A 56-second clip is sped up to 2× speed. How long does it last now (in seconds)?

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