Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 527 · 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.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
2. 2.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
3. 3.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
5. 5.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
7. 7.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
8. 8.🟦 A 16:9 video frame is 2160 pixels tall. How many pixels wide is it?
9. 9.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
10. 10.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
11. 11.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
12. 12.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
13. 13.Which of these best fits 1:1? (a) a widescreen TV (b) a landscape video (c) a square post (d) an upright phone screen
14. 14.Which of these best fits 9:16? (a) an upright phone screen (b) an older TV screen (c) a laptop film screen (d) an album cover
15. 15.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
18. 18.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
19. 19.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
20. 20.Which of these best fits 1:1? (a) a widescreen TV (b) a square sticker (c) a landscape video (d) a widescreen slide
21. 21.🟦 An image is 220 × 220 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
22. 22.🟦 You shrink a 500 × 440 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 260 pixels wide and 150 pixels tall. How many pixels does it have in all?
24. 24.Which of these best fits 16:9? (a) a tall phone video (b) an older TV screen (c) a square sticker (d) a landscape video
25. 25.🟦 An image is 40 pixels wide and 170 pixels tall. How many pixels does it have in all?
26. 26.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
27. 27.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
28. 28.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
29. 29.🟦 You shrink a 780 × 800 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 You shrink a 780 × 520 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 You shrink a 60 × 640 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
33. 33.🟦 You shrink a 480 × 180 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
36. 36.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
37. 37.Which of these best fits 4:3? (a) a square sticker (b) a laptop film screen (c) an old-style monitor (d) a tall phone video
38. 38.🟦 You shrink a 600 × 160 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
40. 40.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?

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