Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 800 · 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.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
3. 3.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
4. 4.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
6. 6.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) exactly the same (d) more colourful
7. 7.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
8. 8.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
10. 10.Which of these best fits 16:9? (a) an album cover (b) an older TV screen (c) a widescreen slide (d) a classic tablet screen
11. 11.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
12. 12.Which of these best fits 16:9? (a) an album cover (b) a square post (c) a landscape video (d) a phone story clip
13. 13.🟦 An image is 110 pixels wide and 110 pixels tall. How many pixels does it have in all?
14. 14.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
17. 17.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
18. 18.🟦 An image is 350 pixels wide and 50 pixels tall. How many pixels does it have in all?
19. 19.🟦 You shrink a 120 × 200 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
21. 21.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 You shrink a 700 × 500 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 70 pixels wide and 200 pixels tall. How many pixels does it have in all?
24. 24.🟦 You shrink a 160 × 600 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
26. 26.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
29. 29.🟦 An image is 220 pixels wide and 90 pixels tall. How many pixels does it have in all?
30. 30.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
31. 31.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) longer (d) blocky (pixelated)
32. 32.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
33. 33.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
34. 34.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
35. 35.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 You shrink a 120 × 780 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
38. 38.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 You shrink a 300 × 120 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.Which of these best fits 4:3? (a) an old-style monitor (b) a square post (c) a landscape video (d) a square profile picture

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