Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 639 · 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.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
2. 2.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
4. 4.🟦 You shrink a 760 × 200 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
6. 6.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
7. 7.🟦 An image is 250 pixels wide and 300 pixels tall. How many pixels does it have in all?
8. 8.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.Which of these best fits 16:9? (a) a square post (b) a classic tablet screen (c) a square sticker (d) a widescreen slide
10. 10.🟦 An image is 170 pixels wide and 120 pixels tall. How many pixels does it have in all?
11. 11.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
12. 12.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
13. 13.🟦 You shrink a 140 × 620 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
18. 18.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
19. 19.Which of these best fits 1:1? (a) an older TV screen (b) a laptop film screen (c) a square post (d) a landscape video
20. 20.Which of these best fits 16:9? (a) a widescreen TV (b) a square post (c) an older TV screen (d) a classic tablet screen
21. 21.Which of these best fits 9:16? (a) a phone story clip (b) a landscape video (c) a square profile picture (d) a classic tablet screen
22. 22.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
23. 23.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
25. 25.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
26. 26.Which of these best fits 16:9? (a) an older TV screen (b) a square post (c) an album cover (d) a landscape video
27. 27.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
29. 29.Which of these best fits 4:3? (a) a laptop film screen (b) a classic tablet screen (c) an album cover (d) an upright phone screen
30. 30.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
31. 31.🟦 An image is 70 pixels wide and 230 pixels tall. How many pixels does it have in all?
32. 32.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 You shrink a 280 × 300 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 An image is 100 pixels wide and 400 pixels tall. How many pixels does it have in all?
35. 35.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
36. 36.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
37. 37.🟦 An image is 220 pixels wide and 160 pixels tall. How many pixels does it have in all?
38. 38.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
40. 40.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3

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