Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 85 · 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 tiny dot of colour (b) a sound (c) a type of paper (d) a font size
2. 2.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
3. 3.🟦 You shrink a 240 × 140 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) sharper (d) louder
5. 5.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
6. 6.🟦 An image is 280 pixels wide and 180 pixels tall. How many pixels does it have in all?
7. 7.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.Which of these best fits 9:16? (a) a tall phone video (b) a square sticker (c) a square profile picture (d) a square post
9. 9.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
10. 10.Which of these best fits 4:3? (a) an old-style monitor (b) a square profile picture (c) a square sticker (d) a laptop film screen
11. 11.🟦 You shrink a 140 × 40 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
13. 13.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
15. 15.🟦 An image is 190 pixels wide and 150 pixels tall. How many pixels does it have in all?
16. 16.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
17. 17.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
19. 19.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
20. 20.🟦 An image is 260 pixels wide and 290 pixels tall. How many pixels does it have in all?
21. 21.🟦 You shrink a 60 × 160 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
23. 23.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
24. 24.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
25. 25.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
26. 26.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
27. 27.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
28. 28.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
29. 29.Which of these best fits 16:9? (a) a widescreen TV (b) a square sticker (c) a classic tablet screen (d) a phone story clip
30. 30.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
31. 31.🟦 An image is 330 pixels wide and 50 pixels tall. How many pixels does it have in all?
32. 32.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
33. 33.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
34. 34.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
35. 35.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
36. 36.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
38. 38.🟦 An image is 350 pixels wide and 20 pixels tall. How many pixels does it have in all?
39. 39.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
40. 40.🟦 An image is 270 pixels wide and 370 pixels tall. How many pixels does it have in all?

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