Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 843 · 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 font size (c) a sound (d) a tiny dot of colour
2. 2.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
3. 3.Which of these best fits 9:16? (a) a tall phone video (b) a widescreen TV (c) a laptop film screen (d) an album cover
4. 4.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
7. 7.Which of these best fits 1:1? (a) a landscape video (b) an older TV screen (c) a square sticker (d) a phone story clip
8. 8.🟦 An image is 200 × 200 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
9. 9.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
10. 10.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
11. 11.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
12. 12.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
13. 13.Which of these best fits 1:1? (a) a phone story clip (b) a square profile picture (c) a widescreen TV (d) an older TV screen
14. 14.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
15. 15.🟦 An image is 230 pixels wide and 40 pixels tall. How many pixels does it have in all?
16. 16.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
17. 17.🟦 You shrink a 240 × 620 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 An image is 100 pixels wide and 180 pixels tall. How many pixels does it have in all?
19. 19.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the paper colour (d) the file name
20. 20.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
21. 21.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
22. 22.Which of these best fits 4:3? (a) a square sticker (b) an album cover (c) a widescreen TV (d) an old-style monitor
23. 23.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
24. 24.🟦 An image is 340 pixels wide and 30 pixels tall. How many pixels does it have in all?
25. 25.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
26. 26.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
27. 27.Which of these best fits 4:3? (a) a laptop film screen (b) an older TV screen (c) a square post (d) a square profile picture
28. 28.Which of these best fits 16:9? (a) a phone story clip (b) a square profile picture (c) an album cover (d) a landscape video
29. 29.🟦 An image is 70 pixels wide and 230 pixels tall. How many pixels does it have in all?
30. 30.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 An image is 280 pixels wide and 170 pixels tall. How many pixels does it have in all?
32. 32.🟦 An image is 290 pixels wide and 390 pixels tall. How many pixels does it have in all?
33. 33.🟦 An image is 130 pixels wide and 200 pixels tall. How many pixels does it have in all?
34. 34.🟦 You shrink a 220 × 140 pixel image to half its width and half its height. How many pixels does it have now?
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 widescreen slide (b) a classic tablet screen (c) a laptop film screen (d) a widescreen TV
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
38. 38.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
39. 39.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
40. 40.Which of these best fits 9:16? (a) a landscape video (b) an older TV screen (c) a square profile picture (d) an upright phone screen

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