Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 791 · 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 5-inch-wide print?
2. 2.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
3. 3.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
5. 5.Which of these best fits 16:9? (a) an upright phone screen (b) an old-style monitor (c) a landscape video (d) an older TV screen
6. 6.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
7. 7.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
10. 10.🟦 You shrink a 220 × 320 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
12. 12.Which of these best fits 16:9? (a) a square post (b) an upright phone screen (c) a tall phone video (d) a laptop film screen
13. 13.🟦 An image is 290 pixels wide and 20 pixels tall. How many pixels does it have in all?
14. 14.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
15. 15.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
16. 16.🟦 An image is 100 pixels wide and 30 pixels tall. How many pixels does it have in all?
17. 17.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
19. 19.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
21. 21.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
22. 22.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 You shrink a 120 × 320 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
26. 26.🟦 An image is 140 pixels wide and 350 pixels tall. How many pixels does it have in all?
27. 27.🟦 You shrink a 500 × 80 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 You shrink a 700 × 180 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
31. 31.Which of these best fits 4:3? (a) an older TV screen (b) a widescreen slide (c) an album cover (d) a phone story clip
32. 32.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
34. 34.🟦 You shrink a 440 × 540 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a sound (d) a font size
36. 36.🟦 You shrink a 620 × 800 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.Which of these best fits 4:3? (a) a classic tablet screen (b) a widescreen slide (c) a laptop film screen (d) an upright phone screen
38. 38.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
39. 39.🟦 An image is 70 pixels wide and 280 pixels tall. How many pixels does it have in all?
40. 40.Which of these best fits 1:1? (a) an old-style monitor (b) a widescreen TV (c) an older TV screen (d) a square post

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