Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 303 · 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.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
2. 2.🟦 You shrink a 160 × 780 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) exactly the same (d) sharper
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
6. 6.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
8. 8.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
9. 9.Which of these best fits 16:9? (a) an upright phone screen (b) a phone story clip (c) a square profile picture (d) a widescreen TV
10. 10.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
11. 11.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
13. 13.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
15. 15.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
18. 18.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
19. 19.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
20. 20.🟦 You shrink a 540 × 360 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 An image is 110 pixels wide and 20 pixels tall. How many pixels does it have in all?
22. 22.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the file name (d) the number of pixels
23. 23.Which of these best fits 16:9? (a) a tall phone video (b) a widescreen slide (c) a phone story clip (d) a square sticker
24. 24.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
25. 25.🟦 You shrink a 320 × 740 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 An image is 30 pixels wide and 230 pixels tall. How many pixels does it have in all?
27. 27.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
28. 28.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
29. 29.🟦 An image is 100 pixels wide and 240 pixels tall. How many pixels does it have in all?
30. 30.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
31. 31.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
32. 32.🟦 An image is 280 pixels wide and 140 pixels tall. How many pixels does it have in all?
33. 33.🟦 An image is 60 pixels wide and 340 pixels tall. How many pixels does it have in all?
34. 34.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
36. 36.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
37. 37.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
38. 38.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
39. 39.🟦 You shrink a 620 × 160 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 An image is 340 pixels wide and 80 pixels tall. How many pixels does it have in all?

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