Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 52 · 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 560 × 420 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
2. 2.🟦 An image is 140 pixels wide and 360 pixels tall. How many pixels does it have in all?
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
4. 4.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
5. 5.🟦 You shrink an 800 × 260 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
7. 7.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
8. 8.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
9. 9.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
10. 10.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
11. 11.🟦 You shrink a 300 × 680 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
13. 13.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
14. 14.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.Which of these best fits 16:9? (a) a laptop film screen (b) a square profile picture (c) an old-style monitor (d) a classic tablet screen
16. 16.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
17. 17.🟦 An image is 170 pixels wide and 30 pixels tall. How many pixels does it have in all?
18. 18.🟦 An image is 370 pixels wide and 70 pixels tall. How many pixels does it have in all?
19. 19.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 You shrink a 100 × 500 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 An image is 230 pixels wide and 290 pixels tall. How many pixels does it have in all?
22. 22.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a sound (d) a font size
23. 23.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
24. 24.🟦 An image is 310 pixels wide and 250 pixels tall. How many pixels does it have in all?
25. 25.Which of these best fits 4:3? (a) a tall phone video (b) an older TV screen (c) an album cover (d) a square post
26. 26.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
27. 27.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
28. 28.🟦 An image is 100 pixels wide and 140 pixels tall. How many pixels does it have in all?
29. 29.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
30. 30.🟦 An image is 290 pixels wide and 40 pixels tall. How many pixels does it have in all?
31. 31.Which of these best fits 1:1? (a) a phone story clip (b) a square profile picture (c) a classic tablet screen (d) a landscape video
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
33. 33.🟦 An image is 270 pixels wide and 310 pixels tall. How many pixels does it have in all?
34. 34.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
35. 35.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
36. 36.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
37. 37.Which of these best fits 4:3? (a) a square profile picture (b) a square post (c) a classic tablet screen (d) a phone story clip
38. 38.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
39. 39.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?

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