Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 993 · 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 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
2. 2.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
3. 3.🟦 You shrink a 160 × 340 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
5. 5.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
6. 6.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
8. 8.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.Which of these best fits 4:3? (a) a widescreen TV (b) a widescreen slide (c) a classic tablet screen (d) a phone story clip
10. 10.🟦 An image is 280 pixels wide and 380 pixels tall. How many pixels does it have in all?
11. 11.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
13. 13.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
14. 14.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
15. 15.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
16. 16.🟦 You shrink a 720 × 760 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 7-inch-wide print?
18. 18.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
19. 19.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 An image is 180 pixels wide and 150 pixels tall. How many pixels does it have in all?
21. 21.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
22. 22.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
24. 24.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) a perfect square (d) round
25. 25.🟦 You shrink a 640 × 100 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
28. 28.🟦 An image is 30 pixels wide and 360 pixels tall. How many pixels does it have in all?
29. 29.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 An image is 140 pixels wide and 140 pixels tall. How many pixels does it have in all?
31. 31.Which of these best fits 9:16? (a) an album cover (b) a square profile picture (c) a tall phone video (d) a classic tablet screen
32. 32.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
33. 33.🟦 An image is 60 pixels wide and 100 pixels tall. How many pixels does it have in all?
34. 34.🟦 You shrink a 560 × 520 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 110 pixels wide and 340 pixels tall. How many pixels does it have in all?
36. 36.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
37. 37.🟦 An image is 170 pixels wide and 110 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
39. 39.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
40. 40.Which of these best fits 9:16? (a) an album cover (b) a widescreen TV (c) a phone story clip (d) a square post

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