Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 532 · 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.🟦 You shrink a 200 × 560 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 An image is 190 pixels wide and 100 pixels tall. How many pixels does it have in all?
3. 3.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
4. 4.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
6. 6.🟦 You shrink a 300 × 740 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
8. 8.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
9. 9.🟦 You shrink a 760 × 300 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.Which of these best fits 1:1? (a) a classic tablet screen (b) a phone story clip (c) a square profile picture (d) a tall phone video
11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
12. 12.Which of these best fits 16:9? (a) a widescreen TV (b) an older TV screen (c) a square post (d) a classic tablet screen
13. 13.🟦 An image is 170 pixels wide and 50 pixels tall. How many pixels does it have in all?
14. 14.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
15. 15.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) wider than it is tall (d) a perfect square
16. 16.🟦 You shrink a 740 × 380 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 An image is 350 pixels wide and 160 pixels tall. How many pixels does it have in all?
18. 18.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
19. 19.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
20. 20.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
21. 21.🟦 An image is 100 pixels wide and 330 pixels tall. How many pixels does it have in all?
22. 22.🟦 An image is 70 pixels wide and 390 pixels tall. How many pixels does it have in all?
23. 23.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
24. 24.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
25. 25.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
26. 26.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
27. 27.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
28. 28.Which of these best fits 4:3? (a) a classic tablet screen (b) a widescreen TV (c) a phone story clip (d) a widescreen slide
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
30. 30.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 You shrink a 640 × 80 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
33. 33.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
34. 34.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
37. 37.Which of these best fits 16:9? (a) an older TV screen (b) a square sticker (c) a laptop film screen (d) an album cover
38. 38.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?

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