Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 202 · 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.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
2. 2.Which of these best fits 16:9? (a) a tall phone video (b) an upright phone screen (c) an old-style monitor (d) a widescreen TV
3. 3.🟦 You shrink an 800 × 780 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
5. 5.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
6. 6.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
7. 7.Which of these best fits 1:1? (a) a phone story clip (b) a square sticker (c) an old-style monitor (d) a classic tablet screen
8. 8.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) taller than wide (d) round
9. 9.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
10. 10.🟦 A 4:3 video frame is 540 pixels tall. How many pixels wide is it?
11. 11.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size
12. 12.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
13. 13.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.Which of these best fits 16:9? (a) an older TV screen (b) a square post (c) a tall phone video (d) a laptop film screen
15. 15.🟦 An image is 40 pixels wide and 130 pixels tall. How many pixels does it have in all?
16. 16.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
17. 17.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
18. 18.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
19. 19.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen TV (c) an old-style monitor (d) an album cover
20. 20.🟦 You shrink a 320 × 440 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
22. 22.Which of these best fits 9:16? (a) an old-style monitor (b) a laptop film screen (c) a landscape video (d) an upright phone screen
23. 23.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
24. 24.Which of these best fits 16:9? (a) an old-style monitor (b) a landscape video (c) a phone story clip (d) an older TV screen
25. 25.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
26. 26.🟦 You shrink a 120 × 700 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
28. 28.🟦 An image is 350 pixels wide and 280 pixels tall. How many pixels does it have in all?
29. 29.🟦 An image is 140 pixels wide and 180 pixels tall. How many pixels does it have in all?
30. 30.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
32. 32.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
33. 33.Which of these best fits 4:3? (a) a classic tablet screen (b) an album cover (c) a phone story clip (d) a square profile picture
34. 34.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
35. 35.🟦 An image is 190 pixels wide and 360 pixels tall. How many pixels does it have in all?
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
38. 38.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
39. 39.🟦 You shrink a 460 × 780 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 An image is 120 pixels wide and 340 pixels tall. How many pixels does it have in all?

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