Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 404 · 40 questions

Creator's tip (Width times height): Pixels = width × height; megapixels = pixels ÷ 1000000. Aspect ratio = width : height. 16:9 wide, 4:3 squarer, 1:1 square, 9:16 tall. Keep the ratio: a 16:9 frame 1920 pixels wide is 1920 ÷ 16 × 9 = 1080 tall. Printing: inches × pixels per inch.

1. 1.🟦 An image is 20 pixels wide and 50 pixels tall. How many pixels does it have in all?
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
3. 3.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
4. 4.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) taller than wide (d) a perfect square
5. 5.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
6. 6.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
8. 8.🟦 An image is 30 pixels wide and 30 pixels tall. How many pixels does it have in all?
9. 9.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the paper colour (d) the file name
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
11. 11.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
12. 12.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
13. 13.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
14. 14.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
15. 15.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen slide (c) a square sticker (d) a phone story clip
16. 16.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 50 pixels wide and 330 pixels tall. How many pixels does it have in all?
18. 18.🟦 An image is 40 pixels wide and 400 pixels tall. How many pixels does it have in all?
19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
20. 20.Which of these best fits 16:9? (a) a square sticker (b) a laptop film screen (c) an album cover (d) an old-style monitor
21. 21.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 You shrink an 80 × 660 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
24. 24.🟦 An image is 140 pixels wide and 210 pixels tall. How many pixels does it have in all?
25. 25.🟦 An image is 230 pixels wide and 40 pixels tall. How many pixels does it have in all?
26. 26.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) blocky (pixelated) (d) louder
27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
28. 28.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
29. 29.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
31. 31.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
32. 32.🟦 You shrink a 480 × 200 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 An image is 170 pixels wide and 390 pixels tall. How many pixels does it have in all?
34. 34.Which of these best fits 1:1? (a) a square profile picture (b) a laptop film screen (c) an old-style monitor (d) a widescreen TV
35. 35.Which of these best fits 9:16? (a) a tall phone video (b) a square post (c) a laptop film screen (d) a square sticker
36. 36.🟦 An image is 120 pixels wide and 330 pixels tall. How many pixels does it have in all?
37. 37.Which of these best fits 16:9? (a) a square post (b) a phone story clip (c) a square profile picture (d) a widescreen TV
38. 38.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
39. 39.Which of these best fits 9:16? (a) an album cover (b) a widescreen slide (c) a phone story clip (d) a laptop film screen
40. 40.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2

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