Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 338 · 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.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
2. 2.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
4. 4.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
5. 5.🟦 An image is 90 pixels wide and 220 pixels tall. How many pixels does it have in all?
6. 6.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
7. 7.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
8. 8.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
9. 9.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
10. 10.🟦 An image is 350 pixels wide and 230 pixels tall. How many pixels does it have in all?
11. 11.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
13. 13.🟦 An image is 60 pixels wide and 220 pixels tall. How many pixels does it have in all?
14. 14.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
15. 15.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
18. 18.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
19. 19.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
21. 21.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
24. 24.🟦 You shrink a 260 × 440 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
26. 26.Which of these best fits 1:1? (a) a laptop film screen (b) a square post (c) an old-style monitor (d) a classic tablet screen
27. 27.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
28. 28.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
29. 29.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
30. 30.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
31. 31.Which of these best fits 4:3? (a) a square post (b) a landscape video (c) an older TV screen (d) an upright phone screen
32. 32.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
34. 34.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
35. 35.🟦 You shrink a 300 × 600 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 An image is 300 pixels wide and 250 pixels tall. How many pixels does it have in all?
37. 37.Which of these best fits 4:3? (a) a widescreen TV (b) a laptop film screen (c) a widescreen slide (d) an old-style monitor
38. 38.Which of these best fits 16:9? (a) a landscape video (b) a classic tablet screen (c) a square profile picture (d) a square sticker
39. 39.🟦 An image is 220 × 220 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
40. 40.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1

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