Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 346 · 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.Which of these best fits 9:16? (a) an older TV screen (b) a widescreen slide (c) a tall phone video (d) a square profile picture
2. 2.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
5. 5.🟦 An image is 360 pixels wide and 390 pixels tall. How many pixels does it have in all?
6. 6.🟦 You shrink a 220 × 180 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
8. 8.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
9. 9.Which of these best fits 1:1? (a) an upright phone screen (b) a tall phone video (c) a widescreen TV (d) a square post
10. 10.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
11. 11.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) more colourful (d) sharper
12. 12.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
13. 13.🟦 You shrink a 340 × 420 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 You shrink a 120 × 360 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
16. 16.Which of these best fits 9:16? (a) a square post (b) an upright phone screen (c) a widescreen TV (d) a widescreen slide
17. 17.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a font size (d) a sound
18. 18.Which of these best fits 16:9? (a) a widescreen TV (b) a tall phone video (c) an older TV screen (d) an upright phone screen
19. 19.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
20. 20.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 You shrink a 60 × 100 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.Which of these best fits 1:1? (a) a widescreen TV (b) an album cover (c) a classic tablet screen (d) an older TV screen
23. 23.Which of these best fits 4:3? (a) a laptop film screen (b) a square sticker (c) a landscape video (d) an older TV screen
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
25. 25.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
26. 26.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
27. 27.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
28. 28.🟦 An image is 370 pixels wide and 270 pixels tall. How many pixels does it have in all?
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
30. 30.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
31. 31.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
32. 32.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
33. 33.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 You shrink a 300 × 640 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
37. 37.🟦 You shrink a 620 × 460 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
40. 40.🟦 An image is 200 × 200 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1

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