Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 767 · 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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
2. 2.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
3. 3.🟦 You shrink a 480 × 260 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
5. 5.🟦 You shrink a 760 × 40 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
7. 7.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
8. 8.🟦 An image is 110 pixels wide and 110 pixels tall. How many pixels does it have in all?
9. 9.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
10. 10.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
11. 11.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the paper colour (d) the file name
12. 12.Which of these best fits 1:1? (a) a widescreen slide (b) a landscape video (c) a square sticker (d) an old-style monitor
13. 13.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
14. 14.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
17. 17.🟦 You shrink a 640 × 60 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 You shrink a 140 × 40 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
20. 20.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 You shrink a 540 × 140 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
23. 23.Which of these best fits 1:1? (a) a widescreen slide (b) a laptop film screen (c) an album cover (d) a tall phone video
24. 24.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
25. 25.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 You shrink a 540 × 740 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
28. 28.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
29. 29.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
30. 30.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
31. 31.🟦 An image is 350 pixels wide and 40 pixels tall. How many pixels does it have in all?
32. 32.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
34. 34.Which of these best fits 16:9? (a) an older TV screen (b) a square profile picture (c) a landscape video (d) an upright phone screen
35. 35.🟦 You shrink a 200 × 220 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 You shrink a 640 × 460 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.Which of these best fits 16:9? (a) a square post (b) a widescreen slide (c) a phone story clip (d) a classic tablet screen
38. 38.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
40. 40.🟦 An image is 200 pixels wide and 90 pixels tall. How many pixels does it have in all?

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