Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 356 · 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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
2. 2.Which of these best fits 16:9? (a) an older TV screen (b) a tall phone video (c) a phone story clip (d) a laptop film screen
3. 3.Which of these best fits 16:9? (a) a square sticker (b) a widescreen TV (c) a tall phone video (d) a square post
4. 4.🟦 You shrink a 560 × 380 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
7. 7.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
8. 8.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
9. 9.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
10. 10.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
11. 11.🟦 You shrink a 420 × 140 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
13. 13.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
14. 14.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
16. 16.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
17. 17.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
18. 18.🟦 An image is 350 pixels wide and 260 pixels tall. How many pixels does it have in all?
19. 19.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
21. 21.🟦 An image is 230 pixels wide and 380 pixels tall. How many pixels does it have in all?
22. 22.Which of these best fits 16:9? (a) an album cover (b) a landscape video (c) an upright phone screen (d) a square post
23. 23.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
25. 25.🟦 An image is 330 pixels wide and 40 pixels tall. How many pixels does it have in all?
26. 26.🟦 You shrink a 380 × 280 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 An image is 250 pixels wide and 100 pixels tall. How many pixels does it have in all?
29. 29.🟦 An image is 90 pixels wide and 190 pixels tall. How many pixels does it have in all?
30. 30.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
31. 31.Which of these best fits 1:1? (a) a landscape video (b) a phone story clip (c) a tall phone video (d) a square profile picture
32. 32.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
33. 33.🟦 An image is 150 pixels wide and 130 pixels tall. How many pixels does it have in all?
34. 34.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
35. 35.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 You shrink a 540 × 680 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
39. 39.🟦 You shrink a 660 × 800 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.Which of these best fits 9:16? (a) a widescreen slide (b) a laptop film screen (c) a square post (d) a tall phone video

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