Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 353 · 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.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
2. 2.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
3. 3.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen slide (c) a widescreen TV (d) a square profile picture
4. 4.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
6. 6.Which of these best fits 9:16? (a) a laptop film screen (b) a phone story clip (c) a widescreen slide (d) a square sticker
7. 7.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
8. 8.🟦 You shrink a 680 × 340 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
10. 10.🟦 An image is 300 × 200 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
11. 11.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
12. 12.🟦 An image is 140 pixels wide and 120 pixels tall. How many pixels does it have in all?
13. 13.🟦 You shrink a 220 × 440 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
15. 15.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
16. 16.🟦 You shrink a 460 × 240 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
18. 18.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
19. 19.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
20. 20.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
21. 21.Which of these best fits 4:3? (a) a tall phone video (b) a classic tablet screen (c) a square profile picture (d) an upright phone screen
22. 22.🟦 An image is 40 pixels wide and 230 pixels tall. How many pixels does it have in all?
23. 23.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
24. 24.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
25. 25.Which of these best fits 16:9? (a) an album cover (b) a classic tablet screen (c) an upright phone screen (d) a landscape video
26. 26.🟦 An image is 80 pixels wide and 320 pixels tall. How many pixels does it have in all?
27. 27.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
28. 28.Which of these best fits 4:3? (a) a square sticker (b) an older TV screen (c) a widescreen slide (d) a phone story clip
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
30. 30.🟦 You shrink a 740 × 520 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 An image is 400 pixels wide and 190 pixels tall. How many pixels does it have in all?
32. 32.Which of these best fits 4:3? (a) a widescreen slide (b) a square post (c) an old-style monitor (d) a tall phone video
33. 33.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
34. 34.🟦 An image is 30 pixels wide and 360 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 920 × 690 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
36. 36.Which of these best fits 16:9? (a) a square profile picture (b) a widescreen TV (c) an upright phone screen (d) an old-style monitor
37. 37.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
38. 38.🟦 An image is 390 pixels wide and 280 pixels tall. How many pixels does it have in all?
39. 39.🟦 An image is 60 pixels wide and 270 pixels tall. How many pixels does it have in all?
40. 40.🟦 An image is 380 pixels wide and 170 pixels tall. How many pixels does it have in all?

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