Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 430 · 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.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
4. 4.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
6. 6.Which of these best fits 4:3? (a) a widescreen slide (b) an album cover (c) a tall phone video (d) an older TV screen
7. 7.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
8. 8.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
9. 9.🟦 You shrink a 240 × 460 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
11. 11.Which of these best fits 16:9? (a) an upright phone screen (b) a square sticker (c) a landscape video (d) an album cover
12. 12.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
13. 13.🟦 You shrink a 740 × 420 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
15. 15.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
17. 17.🟦 You shrink a 300 × 280 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.Which of these best fits 1:1? (a) a square profile picture (b) a tall phone video (c) a widescreen slide (d) a widescreen TV
19. 19.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
20. 20.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
21. 21.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the file name (d) the number of pixels
22. 22.Which of these best fits 9:16? (a) a square sticker (b) an old-style monitor (c) a tall phone video (d) a laptop film screen
23. 23.🟦 An image is 30 pixels wide and 330 pixels tall. How many pixels does it have in all?
24. 24.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
26. 26.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
27. 27.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
28. 28.🟦 You shrink a 280 × 420 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
30. 30.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
31. 31.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
32. 32.🟦 You shrink a 380 × 720 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.Which of these best fits 9:16? (a) a widescreen slide (b) a phone story clip (c) a laptop film screen (d) a square post
34. 34.🟦 An image is 380 pixels wide and 80 pixels tall. How many pixels does it have in all?
35. 35.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
36. 36.Which of these best fits 16:9? (a) an old-style monitor (b) a laptop film screen (c) a classic tablet screen (d) a square sticker
37. 37.🟦 An image is 270 pixels wide and 280 pixels tall. How many pixels does it have in all?
38. 38.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
39. 39.Which of these best fits 4:3? (a) a laptop film screen (b) a square post (c) a classic tablet screen (d) a square profile picture
40. 40.🟦 An image is 90 pixels wide and 140 pixels tall. How many pixels does it have in all?

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