Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 171 · 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) blocky (pixelated) (b) louder (c) longer (d) sharper
2. 2.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
3. 3.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
6. 6.🟦 An image is 2560 × 1440 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
7. 7.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
9. 9.🟦 An image is 60 pixels wide and 380 pixels tall. How many pixels does it have in all?
10. 10.Which of these best fits 1:1? (a) a landscape video (b) a square profile picture (c) a widescreen slide (d) an old-style monitor
11. 11.🟦 An image is 100 pixels wide and 350 pixels tall. How many pixels does it have in all?
12. 12.Which of these best fits 1:1? (a) an upright phone screen (b) a landscape video (c) a square post (d) an older TV screen
13. 13.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a sound (d) a font size
14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
15. 15.🟦 You shrink a 280 × 40 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
17. 17.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) wider than it is tall (d) round
18. 18.🟦 You shrink a 640 × 760 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
20. 20.Which of these best fits 4:3? (a) an upright phone screen (b) a classic tablet screen (c) a square profile picture (d) a square post
21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
22. 22.🟦 You shrink an 80 × 700 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
24. 24.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
25. 25.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
26. 26.🟦 You shrink a 320 × 240 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
29. 29.🟦 An image is 210 pixels wide and 250 pixels tall. How many pixels does it have in all?
30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
31. 31.Which of these best fits 4:3? (a) a landscape video (b) an older TV screen (c) a square profile picture (d) a laptop film screen
32. 32.Which of these best fits 9:16? (a) a tall phone video (b) a widescreen slide (c) an old-style monitor (d) a square post
33. 33.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
34. 34.🟦 An image is 150 pixels wide and 110 pixels tall. How many pixels does it have in all?
35. 35.🟦 You shrink an 80 × 280 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 landscape video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
37. 37.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
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 9:16? (a) an upright phone screen (b) a widescreen TV (c) an older TV screen (d) a landscape video
40. 40.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?

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