Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 457 · 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 aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
2. 2.🟦 You shrink a 340 × 300 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 An image is 390 pixels wide and 50 pixels tall. How many pixels does it have in all?
4. 4.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
5. 5.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
6. 6.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
7. 7.🟦 You shrink a 340 × 200 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
10. 10.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
11. 11.Which of these best fits 16:9? (a) a classic tablet screen (b) a phone story clip (c) an album cover (d) a widescreen TV
12. 12.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
14. 14.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
15. 15.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
16. 16.🟦 An image is 370 pixels wide and 190 pixels tall. How many pixels does it have in all?
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
18. 18.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
19. 19.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
20. 20.Which of these best fits 9:16? (a) a square post (b) a widescreen TV (c) an old-style monitor (d) an upright phone screen
21. 21.Which of these best fits 16:9? (a) a square post (b) an older TV screen (c) a widescreen slide (d) a square profile picture
22. 22.Which of these best fits 4:3? (a) a tall phone video (b) a classic tablet screen (c) a landscape video (d) a widescreen TV
23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
26. 26.🟦 You shrink a 760 × 420 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
28. 28.🟦 An image is 80 pixels wide and 80 pixels tall. How many pixels does it have in all?
29. 29.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
31. 31.Which of these best fits 9:16? (a) a phone story clip (b) an old-style monitor (c) a laptop film screen (d) a square sticker
32. 32.🟦 You shrink a 120 × 740 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.Which of these best fits 1:1? (a) an album cover (b) a widescreen TV (c) a phone story clip (d) an older TV screen
34. 34.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
35. 35.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
36. 36.🟦 You shrink a 100 × 660 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.Which of these best fits 16:9? (a) a square profile picture (b) a phone story clip (c) an old-style monitor (d) a laptop film screen
39. 39.🟦 You shrink a 160 × 140 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.Which of these best fits 4:3? (a) an album cover (b) a phone story clip (c) a widescreen slide (d) an older TV screen

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