Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 566 · 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 of these best fits 16:9? (a) an album cover (b) a landscape video (c) a square profile picture (d) a square post
2. 2.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
3. 3.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
6. 6.🟦 An image is 280 pixels wide and 70 pixels tall. How many pixels does it have in all?
7. 7.🟦 You shrink a 280 × 240 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.Which of these best fits 9:16? (a) a classic tablet screen (b) an older TV screen (c) a phone story clip (d) an album cover
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
10. 10.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
12. 12.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
14. 14.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
15. 15.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
16. 16.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
17. 17.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
18. 18.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
19. 19.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size
20. 20.🟦 You shrink an 80 × 660 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.Which of these best fits 1:1? (a) a square post (b) an old-style monitor (c) a widescreen TV (d) a classic tablet screen
23. 23.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
24. 24.🟦 An image is 360 pixels wide and 160 pixels tall. How many pixels does it have in all?
25. 25.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
26. 26.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 An image is 260 pixels wide and 260 pixels tall. How many pixels does it have in all?
29. 29.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
30. 30.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
32. 32.Which of these best fits 4:3? (a) a tall phone video (b) a widescreen slide (c) a laptop film screen (d) a classic tablet screen
33. 33.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
34. 34.Which of these best fits 4:3? (a) a widescreen TV (b) an older TV screen (c) an upright phone screen (d) a landscape video
35. 35.Which of these best fits 4:3? (a) a tall phone video (b) a landscape video (c) an old-style monitor (d) an upright phone screen
36. 36.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
37. 37.Which of these best fits 1:1? (a) an old-style monitor (b) a landscape video (c) a tall phone video (d) a square sticker
38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
39. 39.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
40. 40.🟦 An image is 120 pixels wide and 170 pixels tall. How many pixels does it have in all?

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