Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 683 · 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.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
3. 3.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
4. 4.Which of these best fits 1:1? (a) an old-style monitor (b) a landscape video (c) a square profile picture (d) an upright phone screen
5. 5.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
6. 6.Which of these best fits 9:16? (a) a landscape video (b) a widescreen TV (c) a classic tablet screen (d) a tall phone video
7. 7.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
8. 8.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
9. 9.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
10. 10.🟦 An image is 220 pixels wide and 380 pixels tall. How many pixels does it have in all?
11. 11.🟦 An image is 160 pixels wide and 400 pixels tall. How many pixels does it have in all?
12. 12.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
14. 14.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
15. 15.Which of these best fits 16:9? (a) a laptop film screen (b) a classic tablet screen (c) a square profile picture (d) an old-style monitor
16. 16.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
17. 17.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
20. 20.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
21. 21.🟦 An image is 330 pixels wide and 380 pixels tall. How many pixels does it have in all?
22. 22.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
23. 23.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
24. 24.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
25. 25.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
26. 26.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
27. 27.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 You shrink a 120 × 140 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 You shrink a 180 × 340 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
31. 31.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
32. 32.🟦 An image is 440 × 330 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
33. 33.🟦 You shrink a 100 × 580 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 An image is 140 pixels wide and 140 pixels tall. How many pixels does it have in all?
35. 35.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
36. 36.Which of these best fits 4:3? (a) a widescreen TV (b) a phone story clip (c) an older TV screen (d) a square post
37. 37.🟦 An image is 170 pixels wide and 340 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 190 pixels wide and 280 pixels tall. How many pixels does it have in all?
39. 39.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
40. 40.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1

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