Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 298 · 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.Which of these best fits 4:3? (a) an upright phone screen (b) a laptop film screen (c) a square post (d) a classic tablet screen
2. 2.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
3. 3.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
6. 6.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
7. 7.🟦 You shrink a 180 × 240 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.Which of these best fits 1:1? (a) an older TV screen (b) a laptop film screen (c) a square post (d) a phone story clip
9. 9.🟦 You shrink a 480 × 700 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.Which of these best fits 16:9? (a) an older TV screen (b) a widescreen slide (c) a square sticker (d) a tall phone video
11. 11.🟦 You shrink a 480 × 640 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
13. 13.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 An image is 300 pixels wide and 400 pixels tall. How many pixels does it have in all?
15. 15.🟦 An image is 290 pixels wide and 110 pixels tall. How many pixels does it have in all?
16. 16.🟦 You shrink a 480 × 100 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
18. 18.🟦 An image is 80 pixels wide and 120 pixels tall. How many pixels does it have in all?
19. 19.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
21. 21.🟦 An image is 110 × 110 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
22. 22.🟦 An image is 90 pixels wide and 120 pixels tall. How many pixels does it have in all?
23. 23.Which of these best fits 9:16? (a) a laptop film screen (b) a classic tablet screen (c) a landscape video (d) a tall phone video
24. 24.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
26. 26.🟦 You shrink a 120 × 220 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.Which of these best fits 1:1? (a) a square profile picture (b) a phone story clip (c) an older TV screen (d) a tall phone video
28. 28.Which of these best fits 16:9? (a) a phone story clip (b) a square sticker (c) a landscape video (d) an older TV screen
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
30. 30.🟦 An image is 390 pixels wide and 90 pixels tall. How many pixels does it have in all?
31. 31.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) louder (d) blocky (pixelated)
32. 32.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
33. 33.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
34. 34.🟦 You shrink a 560 × 100 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
36. 36.🟦 You shrink a 440 × 280 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
38. 38.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.Which of these best fits 1:1? (a) a landscape video (b) an album cover (c) an old-style monitor (d) a tall phone video
40. 40.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16

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