Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 301 · 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 600 × 260 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 You shrink a 580 × 180 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.Which of these best fits 9:16? (a) an upright phone screen (b) a square sticker (c) an older TV screen (d) a widescreen slide
4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
5. 5.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
6. 6.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
7. 7.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
8. 8.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen TV (c) a classic tablet screen (d) a square sticker
10. 10.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
11. 11.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
12. 12.Which of these best fits 9:16? (a) a square sticker (b) a square post (c) a widescreen slide (d) a tall phone video
13. 13.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
14. 14.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
15. 15.🟦 You shrink a 500 × 560 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.Which of these best fits 16:9? (a) a laptop film screen (b) a square sticker (c) a square profile picture (d) a square post
17. 17.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) sharper (d) louder
19. 19.🟦 An image is 210 pixels wide and 220 pixels tall. How many pixels does it have in all?
20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
21. 21.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
22. 22.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
23. 23.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
25. 25.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
26. 26.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
27. 27.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 You shrink a 200 × 200 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
31. 31.Which of these best fits 1:1? (a) a landscape video (b) a tall phone video (c) a widescreen TV (d) a square profile picture
32. 32.🟦 An image is 260 pixels wide and 340 pixels tall. How many pixels does it have in all?
33. 33.Which of these best fits 4:3? (a) a classic tablet screen (b) a square post (c) a widescreen TV (d) a phone story clip
34. 34.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
35. 35.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
37. 37.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
38. 38.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
39. 39.🟦 An image is 140 pixels wide and 190 pixels tall. How many pixels does it have in all?
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?

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