Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 100 · 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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
2. 2.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
3. 3.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
4. 4.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
5. 5.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
6. 6.Which of these best fits 16:9? (a) a square sticker (b) an old-style monitor (c) a square post (d) a landscape video
7. 7.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
8. 8.🟦 An image is 110 pixels wide and 320 pixels tall. How many pixels does it have in all?
9. 9.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.Which of these best fits 4:3? (a) an old-style monitor (b) a square sticker (c) a widescreen TV (d) a laptop film screen
11. 11.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
12. 12.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
13. 13.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
14. 14.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
15. 15.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) a perfect square (d) taller than wide
16. 16.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.Which of these best fits 16:9? (a) a square profile picture (b) an older TV screen (c) an old-style monitor (d) a widescreen TV
18. 18.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
19. 19.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
21. 21.🟦 An image is 250 pixels wide and 180 pixels tall. How many pixels does it have in all?
22. 22.Which of these best fits 9:16? (a) an older TV screen (b) an old-style monitor (c) a landscape video (d) a phone story clip
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
24. 24.🟦 An image is 320 pixels wide and 80 pixels tall. How many pixels does it have in all?
25. 25.🟦 An image is 330 pixels wide and 250 pixels tall. How many pixels does it have in all?
26. 26.🟦 An image is 220 × 220 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
28. 28.🟦 An image is 90 pixels wide and 120 pixels tall. How many pixels does it have in all?
29. 29.Which of these best fits 16:9? (a) a square profile picture (b) a phone story clip (c) a laptop film screen (d) an older TV screen
30. 30.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
31. 31.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
33. 33.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
34. 34.🟦 You shrink a 220 × 60 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
36. 36.🟦 An image is 50 pixels wide and 390 pixels tall. How many pixels does it have in all?
37. 37.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
38. 38.Which of these best fits 1:1? (a) a square post (b) a tall phone video (c) a widescreen slide (d) a classic tablet screen
39. 39.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16

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