Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 84 · 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.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a sound (d) a font size
2. 2.🟦 An image is 350 pixels wide and 220 pixels tall. How many pixels does it have in all?
3. 3.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
4. 4.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
5. 5.🟦 You shrink a 360 × 80 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
7. 7.🟦 An image is 140 pixels wide and 110 pixels tall. How many pixels does it have in all?
8. 8.Which of these best fits 9:16? (a) a phone story clip (b) a classic tablet screen (c) an older TV screen (d) a widescreen TV
9. 9.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
10. 10.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
11. 11.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.Which of these best fits 4:3? (a) an older TV screen (b) a landscape video (c) an album cover (d) a square sticker
13. 13.🟦 An image is 210 pixels wide and 100 pixels tall. How many pixels does it have in all?
14. 14.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
15. 15.Which of these best fits 16:9? (a) a phone story clip (b) a square profile picture (c) a laptop film screen (d) a square sticker
16. 16.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
17. 17.🟦 A photo is 1000 × 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) louder (b) sharper (c) blocky (pixelated) (d) longer
19. 19.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
20. 20.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
22. 22.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
23. 23.🟦 You shrink a 220 × 580 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
25. 25.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
26. 26.🟦 You shrink a 60 × 40 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
28. 28.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
30. 30.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
31. 31.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
32. 32.🟦 You shrink a 200 × 680 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.Which of these best fits 1:1? (a) a widescreen TV (b) a widescreen slide (c) a square post (d) a tall phone video
34. 34.Which of these best fits 16:9? (a) an old-style monitor (b) a widescreen TV (c) an older TV screen (d) an upright phone screen
35. 35.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
36. 36.🟦 An image is 360 pixels wide and 20 pixels tall. How many pixels does it have in all?
37. 37.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 An image is 80 × 60 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
40. 40.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?

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