Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 885 · 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.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
2. 2.Which of these best fits 16:9? (a) an old-style monitor (b) a phone story clip (c) an upright phone screen (d) a widescreen TV
3. 3.🟦 You shrink a 340 × 280 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
5. 5.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
6. 6.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
7. 7.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
8. 8.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
10. 10.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
11. 11.Which of these best fits 4:3? (a) an older TV screen (b) an upright phone screen (c) a tall phone video (d) an album cover
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
13. 13.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
14. 14.🟦 An image is 240 pixels wide and 220 pixels tall. How many pixels does it have in all?
15. 15.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
16. 16.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
17. 17.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
18. 18.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
19. 19.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
20. 20.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
23. 23.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
24. 24.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
25. 25.🟦 You shrink a 440 × 200 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 50 pixels wide and 380 pixels tall. How many pixels does it have in all?
28. 28.Which of these best fits 1:1? (a) a widescreen slide (b) a classic tablet screen (c) a square sticker (d) a phone story clip
29. 29.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
30. 30.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
31. 31.🟦 An image is 310 pixels wide and 100 pixels tall. How many pixels does it have in all?
32. 32.🟦 An image is 130 pixels wide and 70 pixels tall. How many pixels does it have in all?
33. 33.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
34. 34.Which of these best fits 1:1? (a) a widescreen TV (b) a laptop film screen (c) a square profile picture (d) a phone story clip
35. 35.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
36. 36.Which of these best fits 1:1? (a) a classic tablet screen (b) a landscape video (c) a laptop film screen (d) a square post
37. 37.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
39. 39.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
40. 40.🟦 A 4:3 video frame is 330 pixels tall. How many pixels wide is it?

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