Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 364 · 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 3200 pixels wide. How many pixels tall is it?
2. 2.🟦 You shrink a 360 × 360 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the paper colour (d) the font
4. 4.🟦 An image is 250 pixels wide and 210 pixels tall. How many pixels does it have in all?
5. 5.🟦 An image is 240 pixels wide and 20 pixels tall. How many pixels does it have in all?
6. 6.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
7. 7.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
8. 8.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
9. 9.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
10. 10.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
11. 11.🟦 An image is 150 pixels wide and 130 pixels tall. How many pixels does it have in all?
12. 12.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
13. 13.🟦 An image is 100 pixels wide and 250 pixels tall. How many pixels does it have in all?
14. 14.Which of these best fits 4:3? (a) a widescreen slide (b) a phone story clip (c) a classic tablet screen (d) an album cover
15. 15.🟦 An image is 250 pixels wide and 50 pixels tall. How many pixels does it have in all?
16. 16.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
17. 17.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
18. 18.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
19. 19.Which of these best fits 4:3? (a) a square post (b) an older TV screen (c) a square profile picture (d) a tall phone video
20. 20.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
21. 21.🟦 An image is 90 pixels wide and 30 pixels tall. How many pixels does it have in all?
22. 22.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
23. 23.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
24. 24.Which of these best fits 1:1? (a) a phone story clip (b) a square profile picture (c) a landscape video (d) an older TV screen
25. 25.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
26. 26.Which of these best fits 9:16? (a) a classic tablet screen (b) a landscape video (c) a phone story clip (d) a laptop film screen
27. 27.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
28. 28.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
29. 29.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
30. 30.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 A 16:9 video frame is 2160 pixels tall. How many pixels wide is it?
32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
34. 34.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 You shrink a 320 × 300 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.Which of these best fits 16:9? (a) a landscape video (b) a classic tablet screen (c) a square sticker (d) an older TV screen
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
39. 39.Which of these best fits 16:9? (a) a widescreen slide (b) an older TV screen (c) a square sticker (d) a classic tablet screen
40. 40.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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