Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 790 · 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.🟦 You shrink a 340 × 300 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.Which of these best fits 1:1? (a) a widescreen slide (b) an older TV screen (c) a widescreen TV (d) a square post
3. 3.Which of these best fits 9:16? (a) an upright phone screen (b) a classic tablet screen (c) a square sticker (d) a widescreen slide
4. 4.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
5. 5.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
7. 7.🟦 An image is 250 pixels wide and 170 pixels tall. How many pixels does it have in all?
8. 8.🟦 An image is 70 pixels wide and 270 pixels tall. How many pixels does it have in all?
9. 9.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
10. 10.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 You shrink a 300 × 260 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.Which of these best fits 1:1? (a) a classic tablet screen (b) a laptop film screen (c) an album cover (d) an older TV screen
13. 13.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
14. 14.Which of these best fits 16:9? (a) an old-style monitor (b) an album cover (c) a widescreen slide (d) an older TV screen
15. 15.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
16. 16.Which of these best fits 16:9? (a) a square profile picture (b) an album cover (c) a landscape video (d) a square sticker
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
18. 18.Which of these best fits 1:1? (a) a widescreen slide (b) an old-style monitor (c) an older TV screen (d) a square sticker
19. 19.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
20. 20.🟦 An image is 110 × 110 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
21. 21.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
22. 22.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
23. 23.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
24. 24.🟦 You shrink a 520 × 140 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
26. 26.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
27. 27.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
28. 28.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
29. 29.🟦 An image is 380 pixels wide and 100 pixels tall. How many pixels does it have in all?
30. 30.🟦 An image is 230 pixels wide and 370 pixels tall. How many pixels does it have in all?
31. 31.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
32. 32.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
34. 34.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
35. 35.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
36. 36.🟦 An image is 340 pixels wide and 140 pixels tall. How many pixels does it have in all?
37. 37.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
38. 38.🟦 A 16:9 video frame is 1800 pixels tall. How many pixels wide is it?
39. 39.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
40. 40.Which of these best fits 4:3? (a) a laptop film screen (b) a square profile picture (c) a widescreen TV (d) an older TV screen

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