Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 401 · 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 of these best fits 4:3? (a) an older TV screen (b) a widescreen slide (c) a tall phone video (d) a widescreen TV
2. 2.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
3. 3.Which of these best fits 16:9? (a) a square sticker (b) a square post (c) a tall phone video (d) a widescreen slide
4. 4.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
5. 5.Which of these best fits 9:16? (a) an album cover (b) a square sticker (c) a phone story clip (d) a square post
6. 6.🟦 An image is 360 × 240 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
7. 7.🟦 You shrink an 80 × 200 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
9. 9.🟦 An image is 320 pixels wide and 180 pixels tall. How many pixels does it have in all?
10. 10.🟦 An image is 270 pixels wide and 120 pixels tall. How many pixels does it have in all?
11. 11.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
12. 12.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
13. 13.🟦 An image is 290 pixels wide and 400 pixels tall. How many pixels does it have in all?
14. 14.Which of these best fits 4:3? (a) a laptop film screen (b) a classic tablet screen (c) a square post (d) a square sticker
15. 15.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
16. 16.Which of these best fits 1:1? (a) a tall phone video (b) an old-style monitor (c) a square sticker (d) a widescreen slide
17. 17.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
18. 18.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
19. 19.🟦 An image is 170 pixels wide and 370 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 an 11-inch-wide print?
21. 21.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
22. 22.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a type of paper (d) a font size
23. 23.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
24. 24.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
25. 25.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
26. 26.Which of these best fits 16:9? (a) a square sticker (b) a square post (c) a laptop film screen (d) a tall phone video
27. 27.🟦 An image is 240 pixels wide and 80 pixels tall. How many pixels does it have in all?
28. 28.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 An image is 190 pixels wide and 190 pixels tall. How many pixels does it have in all?
30. 30.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
32. 32.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
33. 33.Which of these best fits 16:9? (a) a phone story clip (b) a square profile picture (c) a square sticker (d) a widescreen TV
34. 34.🟦 An image is 60 pixels wide and 260 pixels tall. How many pixels does it have in all?
35. 35.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
36. 36.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
37. 37.🟦 An image is 390 pixels wide and 240 pixels tall. How many pixels does it have in all?
38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
39. 39.🟦 You shrink a 240 × 800 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 An image is 160 pixels wide and 300 pixels tall. How many pixels does it have in all?

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