Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 162 · 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) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
2. 2.🟦 An image is 70 pixels wide and 210 pixels tall. How many pixels does it have in all?
3. 3.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
5. 5.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
6. 6.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
7. 7.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
8. 8.Which of these best fits 1:1? (a) a square profile picture (b) a phone story clip (c) a classic tablet screen (d) a widescreen TV
9. 9.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) taller than wide (d) round
10. 10.Which of these best fits 4:3? (a) a laptop film screen (b) an old-style monitor (c) a square profile picture (d) an upright phone screen
11. 11.Which of these best fits 4:3? (a) a square sticker (b) an older TV screen (c) a widescreen TV (d) a tall phone video
12. 12.🟦 An image is 260 pixels wide and 390 pixels tall. How many pixels does it have in all?
13. 13.🟦 You shrink a 280 × 660 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
15. 15.🟦 You shrink a 540 × 680 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 160 pixels wide and 80 pixels tall. How many pixels does it have in all?
18. 18.Which of these best fits 1:1? (a) an old-style monitor (b) an upright phone screen (c) a square sticker (d) a widescreen TV
19. 19.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
20. 20.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
21. 21.Which of these best fits 16:9? (a) a laptop film screen (b) an upright phone screen (c) a phone story clip (d) an album cover
22. 22.Which of these best fits 1:1? (a) an old-style monitor (b) a square post (c) a phone story clip (d) an older TV screen
23. 23.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
24. 24.🟦 An image is 340 pixels wide and 140 pixels tall. How many pixels does it have in all?
25. 25.Which of these best fits 16:9? (a) a square profile picture (b) an upright phone screen (c) a landscape video (d) a square sticker
26. 26.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
27. 27.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size
28. 28.🟦 An image is 440 × 330 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
29. 29.🟦 An image is 120 pixels wide and 320 pixels tall. How many pixels does it have in all?
30. 30.Which of these best fits 9:16? (a) a tall phone video (b) a landscape video (c) an older TV screen (d) a widescreen TV
31. 31.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
32. 32.🟦 An image is 110 pixels wide and 100 pixels tall. How many pixels does it have in all?
33. 33.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
34. 34.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
36. 36.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
37. 37.🟦 You shrink a 680 × 800 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.Which of these best fits 16:9? (a) a widescreen slide (b) a tall phone video (c) an album cover (d) an older TV screen
39. 39.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
40. 40.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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