Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 855 · 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 660 × 440 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
2. 2.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
3. 3.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.Which of these best fits 9:16? (a) a phone story clip (b) an old-style monitor (c) a classic tablet screen (d) an album cover
6. 6.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
7. 7.Which of these best fits 1:1? (a) a square sticker (b) a widescreen slide (c) a phone story clip (d) a tall phone video
8. 8.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
9. 9.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
10. 10.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
11. 11.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
12. 12.Which of these best fits 4:3? (a) an older TV screen (b) a square sticker (c) a square post (d) a laptop film screen
13. 13.🟦 An image is 340 pixels wide and 120 pixels tall. How many pixels does it have in all?
14. 14.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
15. 15.Which of these best fits 4:3? (a) a square profile picture (b) a widescreen TV (c) a classic tablet screen (d) a tall phone video
16. 16.Which of these best fits 1:1? (a) an album cover (b) an old-style monitor (c) an older TV screen (d) a widescreen TV
17. 17.🟦 You shrink a 280 × 800 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
19. 19.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
21. 21.🟦 A 4:3 video frame is 570 pixels tall. How many pixels wide is it?
22. 22.🟦 You shrink a 580 × 120 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
25. 25.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
26. 26.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
27. 27.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
28. 28.Which of these best fits 1:1? (a) a phone story clip (b) an upright phone screen (c) a square profile picture (d) a classic tablet screen
29. 29.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
30. 30.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
31. 31.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
32. 32.🟦 You shrink a 340 × 380 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
34. 34.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
35. 35.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
36. 36.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
37. 37.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
38. 38.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
40. 40.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9

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