Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 366 · 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 100 × 100 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
3. 3.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
4. 4.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
6. 6.🟦 An image is 350 pixels wide and 380 pixels tall. How many pixels does it have in all?
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
9. 9.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
11. 11.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
12. 12.Which of these best fits 16:9? (a) a laptop film screen (b) an older TV screen (c) a tall phone video (d) a square sticker
13. 13.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
15. 15.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
18. 18.🟦 An image is 290 pixels wide and 90 pixels tall. How many pixels does it have in all?
19. 19.Which of these best fits 16:9? (a) an upright phone screen (b) an old-style monitor (c) a landscape video (d) a square profile picture
20. 20.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
23. 23.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
24. 24.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
25. 25.🟦 You shrink a 640 × 580 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
27. 27.🟦 You shrink a 300 × 220 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 An image is 60 pixels wide and 180 pixels tall. How many pixels does it have in all?
29. 29.Which of these best fits 4:3? (a) an upright phone screen (b) a square profile picture (c) an older TV screen (d) a phone story clip
30. 30.🟦 You shrink a 620 × 720 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 An image is 330 pixels wide and 340 pixels tall. How many pixels does it have in all?
32. 32.🟦 An image is 240 pixels wide and 160 pixels tall. How many pixels does it have in all?
33. 33.🟦 You shrink a 340 × 220 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.Which of these best fits 4:3? (a) a square post (b) a widescreen slide (c) a square sticker (d) a classic tablet screen
35. 35.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
36. 36.Which of these best fits 9:16? (a) a classic tablet screen (b) a phone story clip (c) an album cover (d) a square profile picture
37. 37.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
38. 38.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
39. 39.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
40. 40.🟦 An image is 70 pixels wide and 300 pixels tall. How many pixels does it have in all?

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