Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 645 · 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.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
2. 2.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
3. 3.🟦 An image is 170 pixels wide and 110 pixels tall. How many pixels does it have in all?
4. 4.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
7. 7.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
8. 8.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
9. 9.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
11. 11.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) squashed or wide (d) sharper
12. 12.Which of these best fits 1:1? (a) a tall phone video (b) a laptop film screen (c) a square sticker (d) an upright phone screen
13. 13.🟦 An image is 30 pixels wide and 60 pixels tall. How many pixels does it have in all?
14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
15. 15.🟦 An image is 110 pixels wide and 220 pixels tall. How many pixels does it have in all?
16. 16.🟦 An image is 240 pixels wide and 340 pixels tall. How many pixels does it have in all?
17. 17.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
18. 18.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) round (d) taller than wide
19. 19.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
20. 20.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
21. 21.🟦 You shrink a 640 × 220 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
23. 23.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
24. 24.🟦 A 16:9 video frame is 2080 pixels wide. How many pixels tall is it?
25. 25.🟦 You shrink a 140 × 180 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
27. 27.🟦 An image is 50 pixels wide and 60 pixels tall. How many pixels does it have in all?
28. 28.Which of these best fits 1:1? (a) a phone story clip (b) an album cover (c) a classic tablet screen (d) a tall phone video
29. 29.🟦 You shrink a 100 × 40 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
31. 31.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
32. 32.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
33. 33.🟦 An image is 120 pixels wide and 250 pixels tall. How many pixels does it have in all?
34. 34.🟦 An image is 150 pixels wide and 220 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 350 pixels wide and 30 pixels tall. How many pixels does it have in all?
36. 36.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 You shrink a 760 × 320 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
39. 39.Which of these best fits 4:3? (a) an older TV screen (b) a tall phone video (c) a widescreen TV (d) an album cover
40. 40.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?

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