Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 697 · 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 video frame is 1710 pixels tall. How many pixels wide is it?
2. 2.Which of these best fits 4:3? (a) a widescreen TV (b) an upright phone screen (c) a classic tablet screen (d) a tall phone video
3. 3.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
4. 4.🟦 An image is 100 pixels wide and 270 pixels tall. How many pixels does it have in all?
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) sharper (d) longer
6. 6.Which of these best fits 16:9? (a) a classic tablet screen (b) an old-style monitor (c) a laptop film screen (d) an album cover
7. 7.🟦 An image is 300 pixels wide and 90 pixels tall. How many pixels does it have in all?
8. 8.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
9. 9.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
10. 10.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
11. 11.Which of these best fits 9:16? (a) a square sticker (b) an upright phone screen (c) a widescreen slide (d) a classic tablet screen
12. 12.🟦 An image is 360 pixels wide and 140 pixels tall. How many pixels does it have in all?
13. 13.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.Which of these best fits 9:16? (a) a phone story clip (b) an old-style monitor (c) a square sticker (d) an album cover
15. 15.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
16. 16.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
18. 18.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
20. 20.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
21. 21.Which of these best fits 4:3? (a) a landscape video (b) a square profile picture (c) a square sticker (d) an old-style monitor
22. 22.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
24. 24.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
26. 26.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
27. 27.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
28. 28.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
29. 29.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
30. 30.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
33. 33.Which of these best fits 16:9? (a) a square profile picture (b) an older TV screen (c) a widescreen slide (d) a square sticker
34. 34.Which of these best fits 4:3? (a) a widescreen slide (b) an older TV screen (c) a tall phone video (d) an album cover
35. 35.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
36. 36.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
37. 37.🟦 You shrink a 220 × 320 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 An image is 50 pixels wide and 330 pixels tall. How many pixels does it have in all?
39. 39.Which of these best fits 9:16? (a) a laptop film screen (b) a classic tablet screen (c) a widescreen TV (d) a tall phone video
40. 40.🟦 An image is 80 pixels wide and 100 pixels tall. How many pixels does it have in all?

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