Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 173 · 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) sharper (b) squashed or wide (c) exactly the same (d) more colourful
2. 2.Which of these best fits 16:9? (a) a tall phone video (b) an old-style monitor (c) a widescreen slide (d) an upright phone screen
3. 3.Which of these best fits 1:1? (a) a phone story clip (b) a square profile picture (c) an upright phone screen (d) an old-style monitor
4. 4.Which of these best fits 1:1? (a) an album cover (b) an upright phone screen (c) a landscape video (d) a widescreen TV
5. 5.🟦 You shrink a 500 × 180 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.Which of these best fits 9:16? (a) a tall phone video (b) an album cover (c) a laptop film screen (d) a square sticker
7. 7.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
8. 8.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
9. 9.🟦 An image is 250 pixels wide and 260 pixels tall. How many pixels does it have in all?
10. 10.🟦 You shrink a 180 × 500 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
12. 12.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
13. 13.Which of these best fits 16:9? (a) a square post (b) an album cover (c) a widescreen TV (d) a phone story clip
14. 14.Which of these best fits 9:16? (a) a phone story clip (b) a landscape video (c) a widescreen TV (d) an older TV screen
15. 15.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
16. 16.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
19. 19.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) a perfect square (d) taller than wide
20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
21. 21.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
23. 23.🟦 An image is 310 pixels wide and 170 pixels tall. How many pixels does it have in all?
24. 24.🟦 An image is 240 pixels wide and 80 pixels tall. How many pixels does it have in all?
25. 25.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
27. 27.🟦 An image is 350 pixels wide and 270 pixels tall. How many pixels does it have in all?
28. 28.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
29. 29.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
30. 30.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
31. 31.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
32. 32.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
33. 33.🟦 A 4:3 video frame is 360 pixels wide. How many pixels tall is it?
34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
35. 35.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
36. 36.🟦 You shrink a 620 × 460 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
38. 38.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
39. 39.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
40. 40.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour

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