Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 458 · 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 sticker? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
2. 2.🟦 You shrink a 760 × 320 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
4. 4.🟦 An image is 380 pixels wide and 220 pixels tall. How many pixels does it have in all?
5. 5.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) taller than wide (d) a perfect square
6. 6.🟦 An image is 290 pixels wide and 190 pixels tall. How many pixels does it have in all?
7. 7.Which of these best fits 4:3? (a) a phone story clip (b) an album cover (c) a classic tablet screen (d) an upright phone screen
8. 8.🟦 You shrink a 140 × 780 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
10. 10.🟦 An image is 360 pixels wide and 240 pixels tall. How many pixels does it have in all?
11. 11.Which of these best fits 1:1? (a) an old-style monitor (b) a square sticker (c) a widescreen TV (d) a landscape video
12. 12.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
16. 16.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the font (d) the paper colour
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
18. 18.Which of these best fits 16:9? (a) an album cover (b) a square post (c) a widescreen TV (d) a phone story clip
19. 19.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
21. 21.Which of these best fits 9:16? (a) a square post (b) a square profile picture (c) a square sticker (d) an upright phone screen
22. 22.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
23. 23.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
24. 24.🟦 You shrink a 120 × 200 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
27. 27.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) squashed or wide (d) more colourful
29. 29.🟦 An image is 200 pixels wide and 130 pixels tall. How many pixels does it have in all?
30. 30.🟦 An image is 30 pixels wide and 110 pixels tall. How many pixels does it have in all?
31. 31.🟦 An image is 310 pixels wide and 60 pixels tall. How many pixels does it have in all?
32. 32.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
34. 34.🟦 An image is 260 pixels wide and 40 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
36. 36.🟦 An image is 20 pixels wide and 130 pixels tall. How many pixels does it have in all?
37. 37.🟦 You shrink a 760 × 400 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.Which of these best fits 1:1? (a) a square profile picture (b) a laptop film screen (c) a widescreen TV (d) an upright phone screen
39. 39.🟦 You shrink a 460 × 560 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16

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