Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 708 · 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.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
3. 3.🟦 An image is 240 pixels wide and 130 pixels tall. How many pixels does it have in all?
4. 4.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
5. 5.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
6. 6.🟦 You shrink a 140 × 140 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 An image is 140 pixels wide and 270 pixels tall. How many pixels does it have in all?
8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
9. 9.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the file name (d) the number of pixels
10. 10.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
11. 11.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) exactly the same (d) more colourful
13. 13.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
14. 14.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 360 pixels wide and 140 pixels tall. How many pixels does it have in all?
18. 18.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
19. 19.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
20. 20.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
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.🟦 You shrink a 640 × 680 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
24. 24.🟦 You shrink a 640 × 500 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
26. 26.Which of these best fits 1:1? (a) a widescreen slide (b) a square profile picture (c) an older TV screen (d) a landscape video
27. 27.Which of these best fits 1:1? (a) a widescreen TV (b) a widescreen slide (c) an album cover (d) a landscape video
28. 28.🟦 You shrink an 80 × 200 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 You shrink a 440 × 120 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
31. 31.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.Which of these best fits 4:3? (a) a classic tablet screen (b) a landscape video (c) a laptop film screen (d) a widescreen TV
33. 33.🟦 You shrink an 800 × 600 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 You shrink a 160 × 400 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 80 pixels wide and 380 pixels tall. How many pixels does it have in all?
36. 36.🟦 You shrink a 720 × 380 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 60 pixels wide and 360 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 210 pixels wide and 270 pixels tall. How many pixels does it have in all?
39. 39.🟦 A 4:3 video frame is 330 pixels tall. How many pixels wide is it?
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?

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