Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 221 · 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.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
3. 3.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
4. 4.Which of these best fits 1:1? (a) an older TV screen (b) an old-style monitor (c) a square profile picture (d) a classic tablet screen
5. 5.Which of these best fits 9:16? (a) a classic tablet screen (b) a widescreen TV (c) a tall phone video (d) a laptop film screen
6. 6.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
7. 7.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
8. 8.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
10. 10.🟦 You shrink a 680 × 60 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
12. 12.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 An image is 90 pixels wide and 110 pixels tall. How many pixels does it have in all?
14. 14.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
15. 15.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
16. 16.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
17. 17.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
18. 18.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
19. 19.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
20. 20.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
21. 21.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
22. 22.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
23. 23.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) blocky (pixelated) (d) louder
24. 24.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
26. 26.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
27. 27.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
28. 28.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
29. 29.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) taller than wide (d) a perfect square
30. 30.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
31. 31.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
32. 32.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
33. 33.🟦 You shrink a 500 × 400 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 An image is 190 pixels wide and 30 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 240 pixels wide and 250 pixels tall. How many pixels does it have in all?
36. 36.Which of these best fits 9:16? (a) a laptop film screen (b) a square sticker (c) an upright phone screen (d) a square post
37. 37.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
38. 38.🟦 You shrink a 360 × 580 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same

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