Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 92 · 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.🟦 A 16:9 video frame is 2080 pixels wide. How many pixels tall is it?
2. 2.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
3. 3.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
4. 4.🟦 An image is 70 pixels wide and 370 pixels tall. How many pixels does it have in all?
5. 5.Which of these best fits 1:1? (a) an album cover (b) a widescreen slide (c) an upright phone screen (d) a landscape video
6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) sharper (d) louder
7. 7.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
8. 8.🟦 An image is 290 pixels wide and 350 pixels tall. How many pixels does it have in all?
9. 9.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
11. 11.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
12. 12.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen slide (c) an album cover (d) an older TV screen
14. 14.Which of these best fits 4:3? (a) a widescreen TV (b) a phone story clip (c) an upright phone screen (d) an older TV screen
15. 15.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
16. 16.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
17. 17.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
18. 18.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) exactly the same (d) more colourful
19. 19.🟦 An image is 320 pixels wide and 210 pixels tall. How many pixels does it have in all?
20. 20.🟦 You shrink a 260 × 240 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
22. 22.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 You shrink a 200 × 200 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
25. 25.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
26. 26.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
27. 27.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?
28. 28.🟦 An image is 160 pixels wide and 40 pixels tall. How many pixels does it have in all?
29. 29.Which of these best fits 4:3? (a) a phone story clip (b) a laptop film screen (c) a classic tablet screen (d) a square profile picture
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
31. 31.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
32. 32.Which of these best fits 1:1? (a) a square sticker (b) an old-style monitor (c) a tall phone video (d) a widescreen slide
33. 33.🟦 You shrink a 140 × 360 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
35. 35.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
37. 37.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 An image is 280 pixels wide and 220 pixels tall. How many pixels does it have in all?
39. 39.🟦 An image is 330 pixels wide and 160 pixels tall. How many pixels does it have in all?
40. 40.🟦 You shrink a 160 × 260 pixel image to half its width and half its height. How many pixels does it have now?

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