Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 467 · 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 180 × 280 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
3. 3.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
4. 4.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
5. 5.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
6. 6.🟦 An image is 30 pixels wide and 310 pixels tall. How many pixels does it have in all?
7. 7.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
8. 8.🟦 You shrink a 340 × 180 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
10. 10.Which of these best fits 1:1? (a) a landscape video (b) an upright phone screen (c) a square sticker (d) a widescreen TV
11. 11.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
13. 13.Which of these best fits 4:3? (a) a square profile picture (b) an upright phone screen (c) a landscape video (d) an older TV screen
14. 14.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
15. 15.🟦 You shrink a 280 × 160 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.Which of these best fits 16:9? (a) a widescreen slide (b) a phone story clip (c) a square sticker (d) a square profile picture
17. 17.🟦 An image is 20 pixels wide and 50 pixels tall. How many pixels does it have in all?
18. 18.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) sharper (d) longer
19. 19.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
20. 20.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 An image is 210 pixels wide and 60 pixels tall. How many pixels does it have in all?
22. 22.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 An image is 160 pixels wide and 240 pixels tall. How many pixels does it have in all?
24. 24.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
26. 26.🟦 You shrink a 420 × 260 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 You shrink a 540 × 640 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 An image is 130 pixels wide and 260 pixels tall. How many pixels does it have in all?
29. 29.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
32. 32.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
33. 33.🟦 An image is 170 pixels wide and 190 pixels tall. How many pixels does it have in all?
34. 34.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
35. 35.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
36. 36.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
37. 37.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
38. 38.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
40. 40.🟦 An image is 170 pixels wide and 380 pixels tall. How many pixels does it have in all?

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