Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 505 · 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 of these best fits 16:9? (a) a square sticker (b) an older TV screen (c) a widescreen slide (d) an old-style monitor
2. 2.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
3. 3.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
4. 4.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
5. 5.Which of these best fits 16:9? (a) a laptop film screen (b) an upright phone screen (c) a classic tablet screen (d) a square post
6. 6.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
7. 7.Which of these best fits 16:9? (a) an upright phone screen (b) an older TV screen (c) a widescreen TV (d) an old-style monitor
8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
9. 9.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
10. 10.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
11. 11.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
12. 12.Which of these best fits 4:3? (a) a square post (b) a classic tablet screen (c) a widescreen slide (d) a square profile picture
13. 13.🟦 You shrink a 440 × 340 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
16. 16.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
17. 17.🟦 An image is 60 pixels wide and 210 pixels tall. How many pixels does it have in all?
18. 18.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
19. 19.🟦 You shrink an 800 × 220 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 An image is 90 pixels wide and 390 pixels tall. How many pixels does it have in all?
21. 21.🟦 An image is 150 pixels wide and 260 pixels tall. How many pixels does it have in all?
22. 22.🟦 You shrink a 480 × 280 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
25. 25.Which of these best fits 1:1? (a) a tall phone video (b) an upright phone screen (c) a square post (d) a widescreen TV
26. 26.Which of these best fits 16:9? (a) an older TV screen (b) a phone story clip (c) an upright phone screen (d) a landscape video
27. 27.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
28. 28.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
29. 29.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
30. 30.Which of these best fits 9:16? (a) a phone story clip (b) a square post (c) a square profile picture (d) an old-style monitor
31. 31.🟦 You shrink a 120 × 260 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 You shrink a 160 × 180 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 You shrink a 760 × 480 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a font size (d) a sound
36. 36.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
37. 37.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 An image is 230 pixels wide and 40 pixels tall. How many pixels does it have in all?
39. 39.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
40. 40.🟦 An image is 160 pixels wide and 180 pixels tall. How many pixels does it have in all?

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