Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 610 · 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 200 × 160 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) squashed or wide (d) more colourful
3. 3.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
4. 4.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 An image is 160 pixels wide and 400 pixels tall. How many pixels does it have in all?
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
9. 9.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
11. 11.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
12. 12.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
13. 13.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
14. 14.🟦 An image is 90 pixels wide and 270 pixels tall. How many pixels does it have in all?
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
16. 16.Which of these best fits 1:1? (a) an upright phone screen (b) an older TV screen (c) a tall phone video (d) a square sticker
17. 17.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
18. 18.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 You shrink a 160 × 80 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
21. 21.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 An image is 340 pixels wide and 100 pixels tall. How many pixels does it have in all?
23. 23.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
24. 24.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
25. 25.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
27. 27.🟦 An image is 140 pixels wide and 160 pixels tall. How many pixels does it have in all?
28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
29. 29.Which of these best fits 9:16? (a) a phone story clip (b) an older TV screen (c) a square sticker (d) a widescreen slide
30. 30.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
31. 31.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
33. 33.Which of these best fits 1:1? (a) an old-style monitor (b) an older TV screen (c) a square profile picture (d) a widescreen slide
34. 34.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
35. 35.🟦 You shrink a 380 × 240 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
37. 37.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
38. 38.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
39. 39.🟦 You shrink a 140 × 520 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?

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