Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 578 · 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 3520 × 1980 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
2. 2.Which of these best fits 4:3? (a) an album cover (b) a classic tablet screen (c) a widescreen TV (d) a tall phone video
3. 3.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
4. 4.🟦 An image is 320 pixels wide and 20 pixels tall. How many pixels does it have in all?
5. 5.Which of these best fits 1:1? (a) an upright phone screen (b) a laptop film screen (c) an old-style monitor (d) a square profile picture
6. 6.🟦 An image is 210 pixels wide and 180 pixels tall. How many pixels does it have in all?
7. 7.🟦 An image is 90 pixels wide and 150 pixels tall. How many pixels does it have in all?
8. 8.🟦 An image is 210 pixels wide and 320 pixels tall. How many pixels does it have in all?
9. 9.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
10. 10.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
11. 11.Which of these best fits 9:16? (a) a tall phone video (b) an album cover (c) a square sticker (d) a landscape video
12. 12.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size
13. 13.Which of these best fits 1:1? (a) an upright phone screen (b) a landscape video (c) a laptop film screen (d) a square sticker
14. 14.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
15. 15.Which of these best fits 9:16? (a) a classic tablet screen (b) a widescreen slide (c) a phone story clip (d) a square profile picture
16. 16.🟦 You shrink a 560 × 340 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
18. 18.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
19. 19.Which of these best fits 16:9? (a) a square post (b) a square profile picture (c) an album cover (d) a widescreen slide
20. 20.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
22. 22.🟦 An image is 80 pixels wide and 270 pixels tall. How many pixels does it have in all?
23. 23.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
24. 24.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
25. 25.🟦 You shrink a 760 × 240 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
28. 28.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
29. 29.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
30. 30.🟦 You shrink a 600 × 300 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
32. 32.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
33. 33.🟦 An image is 300 pixels wide and 260 pixels tall. How many pixels does it have in all?
34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
35. 35.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
36. 36.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
37. 37.Which of these best fits 16:9? (a) a landscape video (b) a square profile picture (c) an upright phone screen (d) an old-style monitor
38. 38.🟦 You shrink a 640 × 280 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
40. 40.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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