Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 402 · 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 font size (b) a type of paper (c) a tiny dot of colour (d) a sound
2. 2.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) taller than wide (d) a perfect square
3. 3.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
4. 4.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
5. 5.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
6. 6.🟦 An image is 30 pixels wide and 40 pixels tall. How many pixels does it have in all?
7. 7.🟦 You shrink a 680 × 420 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
9. 9.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
10. 10.Which of these best fits 16:9? (a) an upright phone screen (b) a square post (c) a classic tablet screen (d) a widescreen slide
11. 11.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
13. 13.🟦 An image is 370 pixels wide and 290 pixels tall. How many pixels does it have in all?
14. 14.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 An image is 250 pixels wide and 360 pixels tall. How many pixels does it have in all?
16. 16.Which of these best fits 4:3? (a) an upright phone screen (b) a widescreen slide (c) a classic tablet screen (d) a widescreen TV
17. 17.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
18. 18.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) longer (d) louder
19. 19.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
20. 20.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
21. 21.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
22. 22.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
23. 23.Which of these best fits 1:1? (a) an older TV screen (b) a laptop film screen (c) a classic tablet screen (d) an album cover
24. 24.🟦 An image is 330 pixels wide and 300 pixels tall. How many pixels does it have in all?
25. 25.🟦 An image is 40 pixels wide and 380 pixels tall. How many pixels does it have in all?
26. 26.🟦 You shrink a 140 × 560 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 You shrink a 200 × 520 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
30. 30.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
33. 33.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
36. 36.Which of these best fits 4:3? (a) a phone story clip (b) an old-style monitor (c) a widescreen slide (d) a square post
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
38. 38.Which of these best fits 9:16? (a) an upright phone screen (b) an album cover (c) a widescreen slide (d) a widescreen TV
39. 39.🟦 You shrink a 640 × 420 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?

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