Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 735 · 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 1980 pixels tall. How many pixels wide is it?
2. 2.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
3. 3.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
4. 4.Which of these best fits 9:16? (a) a square sticker (b) a square post (c) a square profile picture (d) a phone story clip
5. 5.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
8. 8.🟦 You shrink a 480 × 60 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
10. 10.Which of these best fits 1:1? (a) an upright phone screen (b) a square post (c) a classic tablet screen (d) an old-style monitor
11. 11.🟦 An image is 350 pixels wide and 60 pixels tall. How many pixels does it have in all?
12. 12.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
13. 13.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
14. 14.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
16. 16.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
17. 17.Which of these best fits 4:3? (a) a classic tablet screen (b) a square post (c) a square sticker (d) a square profile picture
18. 18.🟦 An image is 170 pixels wide and 20 pixels tall. How many pixels does it have in all?
19. 19.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
20. 20.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
21. 21.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
22. 22.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
23. 23.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
25. 25.🟦 An image is 20 pixels wide and 170 pixels tall. How many pixels does it have in all?
26. 26.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
27. 27.🟦 You shrink a 740 × 160 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.Which of these best fits 16:9? (a) a square sticker (b) an upright phone screen (c) a landscape video (d) a classic tablet screen
29. 29.Which of these best fits 16:9? (a) a laptop film screen (b) a phone story clip (c) a tall phone video (d) a classic tablet screen
30. 30.🟦 An image is 120 pixels wide and 50 pixels tall. How many pixels does it have in all?
31. 31.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
32. 32.🟦 You shrink a 240 × 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 10-inch-wide print?
34. 34.🟦 An image is 2560 × 1440 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
35. 35.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
37. 37.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
38. 38.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
39. 39.🟦 You shrink a 40 × 200 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1

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