Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 94 · 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 is 75 seconds long. How long is that in minutes and seconds? (a) 1 min 45 s (b) 3 min 15 s (c) 2 min 15 s (d) 1 min 15 s
2. 2.⏱️ How many seconds is 7 minutes 2 seconds?
3. 3.⏱️ How many seconds is 5 minutes 57 seconds?
4. 4.⏱️ A video is 105 seconds long. How long is that in minutes and seconds? (a) 1 min 15 s (b) 2 min 45 s (c) 1 min 45 s (d) 1 min 5 s
5. 5.⏱️ When you put clips one after another, the video length is … (a) the shortest clip (b) always 1 minute (c) the sum of the clips (d) the longest clip
6. 6.⏱️ An 18-second clip is sped up to 2× speed. How long does it last now (in seconds)?
7. 7.⏱️ How many seconds is 9 minutes 30 seconds?
8. 8.⏱️ Speeding a clip up to 2× makes it … (a) half as long (b) the same length (c) twice as long (d) silent
9. 9.⏱️ A 46-second clip is sped up to 2× speed. How long does it last now (in seconds)?
10. 10.⏱️ A 114-second clip is sped up to 3× speed. How long does it last now (in seconds)?
11. 11.⏱️ How many seconds is 4 minutes 27 seconds?
12. 12.⏱️ Your video must be 120 seconds long. Your clips add up to 82 seconds. How many more seconds of video do you need?
13. 13.⏱️ A video has three clips of 11, 54 and 26 seconds. How long is the video (in seconds)?
14. 14.⏱️ A video is 525 seconds long. How long is that in minutes and seconds? (a) 5 min 25 s (b) 9 min 45 s (c) 8 min 45 s (d) 8 min 15 s
15. 15.⏱️ A video is 150 seconds long. How long is that in minutes and seconds? (a) 2 min 0 s (b) 1 min 50 s (c) 2 min 30 s (d) 3 min 30 s
16. 16.⏱️ A 24-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
17. 17.⏱️ How many seconds are in 1 minute? (a) 30 (b) 100 (c) 60 (d) 10
18. 18.⏱️ A video is 85 seconds long. How long is that in minutes and seconds? (a) 1 min 25 s (b) 2 min 25 s (c) 3 min 25 s (d) 1 min 55 s
19. 19.⏱️ A video has three clips of 26, 45 and 23 seconds. How long is the video (in seconds)?
20. 20.⏱️ A 12-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 44, 41 and 36 seconds. How long is the video (in seconds)?
22. 22.⏱️ How many seconds is 8 minutes 7 seconds?
23. 23.⏱️ A video has three clips of 14, 25 and 15 seconds. How long is the video (in seconds)?
24. 24.⏱️ Your video must be 120 seconds long. Your clips add up to 84 seconds. How many more seconds of video do you need?
25. 25.⏱️ A 30-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
26. 26.⏱️ A video has three clips of 10, 53 and 22 seconds. How long is the video (in seconds)?
27. 27.⏱️ Your video must be 60 seconds long. Your clips add up to 42 seconds. How many more seconds of video do you need?
28. 28.⏱️ A video has three clips of 15, 32 and 16 seconds. How long is the video (in seconds)?
29. 29.⏱️ A 36-second clip is sped up to 3× speed. How long does it last now (in seconds)?
30. 30.⏱️ How many seconds is 8 minutes 20 seconds?
31. 31.⏱️ 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
32. 32.⏱️ A video is 430 seconds long. How long is that in minutes and seconds? (a) 8 min 10 s (b) 7 min 40 s (c) 4 min 30 s (d) 7 min 10 s
33. 33.⏱️ A video is 335 seconds long. How long is that in minutes and seconds? (a) 5 min 35 s (b) 3 min 35 s (c) 6 min 35 s (d) 5 min 5 s
34. 34.⏱️ How many seconds is 6 minutes 34 seconds?
35. 35.⏱️ A 3-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
36. 36.⏱️ A 25-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
37. 37.⏱️ How many seconds is 5 minutes 11 seconds?
38. 38.⏱️ A video is 280 seconds long. How long is that in minutes and seconds? (a) 4 min 40 s (b) 2 min 80 s (c) 5 min 40 s (d) 4 min 10 s
39. 39.⏱️ A 54-second clip is sped up to 2× speed. How long does it last now (in seconds)?
40. 40.⏱️ How many seconds is 3 minutes 31 seconds?

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