Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 886 · 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 200 × 220 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
3. 3.🟦 You shrink an 80 × 500 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
5. 5.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
6. 6.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
7. 7.Which of these best fits 9:16? (a) an older TV screen (b) a classic tablet screen (c) an upright phone screen (d) an old-style monitor
8. 8.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
9. 9.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
10. 10.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
12. 12.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) exactly the same (d) more colourful
13. 13.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
14. 14.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
15. 15.🟦 You shrink a 560 × 140 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
17. 17.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round
18. 18.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
19. 19.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) louder (d) sharper
21. 21.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
22. 22.🟦 An image is 180 pixels wide and 110 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 60 pixels wide and 50 pixels tall. How many pixels does it have in all?
24. 24.🟦 An image is 350 pixels wide and 220 pixels tall. How many pixels does it have in all?
25. 25.🟦 An image is 100 pixels wide and 50 pixels tall. How many pixels does it have in all?
26. 26.🟦 An image is 400 pixels wide and 120 pixels tall. How many pixels does it have in all?
27. 27.🟦 You shrink a 220 × 800 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 An image is 220 pixels wide and 240 pixels tall. How many pixels does it have in all?
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
30. 30.🟦 You shrink an 800 × 480 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 An image is 100 pixels wide and 300 pixels tall. How many pixels does it have in all?
32. 32.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
33. 33.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
35. 35.🟦 You shrink a 600 × 520 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
37. 37.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
38. 38.Which of these best fits 16:9? (a) a square post (b) a laptop film screen (c) an old-style monitor (d) an album cover
39. 39.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
40. 40.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9

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