Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 991 · 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 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
3. 3.🟦 An image is 360 pixels wide and 280 pixels tall. How many pixels does it have in all?
4. 4.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
5. 5.🟦 An image is 60 pixels wide and 250 pixels tall. How many pixels does it have in all?
6. 6.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
7. 7.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
8. 8.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
9. 9.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) louder (d) sharper
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
11. 11.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
12. 12.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the file name (d) the number of pixels
13. 13.🟦 You shrink a 180 × 180 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
15. 15.Which of these best fits 1:1? (a) a landscape video (b) a tall phone video (c) an album cover (d) a laptop film screen
16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
17. 17.Which of these best fits 16:9? (a) a classic tablet screen (b) an older TV screen (c) a widescreen slide (d) a square post
18. 18.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
19. 19.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
20. 20.🟦 You shrink a 600 × 480 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 An image is 210 × 140 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
22. 22.Which of these best fits 9:16? (a) an older TV screen (b) a widescreen slide (c) an album cover (d) an upright phone screen
23. 23.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
24. 24.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
25. 25.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
27. 27.Which of these best fits 9:16? (a) a square post (b) a square profile picture (c) a landscape video (d) a phone story clip
28. 28.🟦 An image is 70 pixels wide and 220 pixels tall. How many pixels does it have in all?
29. 29.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
30. 30.🟦 You shrink a 700 × 660 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
32. 32.Which of these best fits 1:1? (a) a widescreen TV (b) a landscape video (c) a classic tablet screen (d) a square sticker
33. 33.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
34. 34.🟦 An image is 170 pixels wide and 30 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 20 pixels wide and 60 pixels tall. How many pixels does it have in all?
36. 36.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
37. 37.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
38. 38.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
40. 40.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2

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