Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 246 · 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.🟦 You shrink a 120 × 740 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
3. 3.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
4. 4.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
5. 5.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
6. 6.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
8. 8.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
9. 9.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
10. 10.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
11. 11.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 An image is 90 pixels wide and 240 pixels tall. How many pixels does it have in all?
13. 13.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
14. 14.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
15. 15.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
16. 16.🟦 An image is 290 pixels wide and 30 pixels tall. How many pixels does it have in all?
17. 17.Which of these best fits 16:9? (a) a tall phone video (b) an old-style monitor (c) a square post (d) a landscape video
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.🟦 An image is 370 pixels wide and 400 pixels tall. How many pixels does it have in all?
20. 20.Which of these best fits 9:16? (a) a widescreen slide (b) a widescreen TV (c) an old-style monitor (d) a tall phone video
21. 21.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 An image is 220 pixels wide and 250 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
24. 24.Which of these best fits 1:1? (a) a tall phone video (b) an older TV screen (c) a laptop film screen (d) a square sticker
25. 25.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
26. 26.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
30. 30.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
31. 31.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
32. 32.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
33. 33.Which of these best fits 1:1? (a) an upright phone screen (b) a phone story clip (c) an old-style monitor (d) an album cover
34. 34.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
35. 35.🟦 An image is 60 pixels wide and 360 pixels tall. How many pixels does it have in all?
36. 36.Which of these best fits 4:3? (a) a phone story clip (b) a square post (c) a classic tablet screen (d) a widescreen slide
37. 37.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
38. 38.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
39. 39.Which of these best fits 4:3? (a) a square post (b) a landscape video (c) an upright phone screen (d) an old-style monitor
40. 40.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3

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