Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 313 · 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.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
2. 2.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
3. 3.🟦 An image is 140 pixels wide and 150 pixels tall. How many pixels does it have in all?
4. 4.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
5. 5.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
6. 6.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) wider than it is tall (d) a perfect square
7. 7.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
8. 8.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.Which of these best fits 9:16? (a) a phone story clip (b) a widescreen slide (c) a landscape video (d) an old-style monitor
10. 10.🟦 You shrink a 140 × 720 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
13. 13.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
15. 15.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
16. 16.🟦 You shrink a 200 × 360 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 An image is 180 pixels wide and 230 pixels tall. How many pixels does it have in all?
18. 18.Which of these best fits 16:9? (a) a phone story clip (b) an album cover (c) an older TV screen (d) a widescreen TV
19. 19.Which of these best fits 9:16? (a) an older TV screen (b) an album cover (c) a landscape video (d) a tall phone video
20. 20.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
21. 21.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
24. 24.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 You shrink a 200 × 720 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.Which of these best fits 16:9? (a) a landscape video (b) an old-style monitor (c) a square sticker (d) a classic tablet screen
27. 27.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
32. 32.🟦 An image is 200 pixels wide and 350 pixels tall. How many pixels does it have in all?
33. 33.Which of these best fits 9:16? (a) a widescreen TV (b) a widescreen slide (c) a square sticker (d) an upright phone screen
34. 34.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
35. 35.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
36. 36.🟦 A photo is 4000 × 2000 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 an 11-inch-wide print?
38. 38.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.Which of these best fits 4:3? (a) an upright phone screen (b) a landscape video (c) a laptop film screen (d) an old-style monitor
40. 40.🟦 You shrink a 780 × 300 pixel image to half its width and half its height. How many pixels does it have now?

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