Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 8 · 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.Which of these best fits 4:3? (a) an upright phone screen (b) a square profile picture (c) a phone story clip (d) a classic tablet screen
2. 2.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
3. 3.🟦 An image is 260 pixels wide and 30 pixels tall. How many pixels does it have in all?
4. 4.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) louder (d) blocky (pixelated)
6. 6.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
7. 7.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
8. 8.🟦 You shrink a 240 × 420 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.Which of these best fits 1:1? (a) a square post (b) a laptop film screen (c) a widescreen TV (d) a phone story clip
10. 10.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
11. 11.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen TV (c) an upright phone screen (d) a square sticker
12. 12.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
13. 13.🟦 An image is 2560 × 1440 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
14. 14.🟦 An image is 270 pixels wide and 60 pixels tall. How many pixels does it have in all?
15. 15.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
16. 16.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
17. 17.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
18. 18.🟦 An image is 220 pixels wide and 20 pixels tall. How many pixels does it have in all?
19. 19.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
20. 20.🟦 You shrink a 220 × 200 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.Which of these best fits 1:1? (a) an album cover (b) a widescreen TV (c) a classic tablet screen (d) an older TV screen
22. 22.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
23. 23.🟦 An image is 160 pixels wide and 400 pixels tall. How many pixels does it have in all?
24. 24.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen TV (c) a square post (d) an album cover
27. 27.🟦 You shrink a 340 × 200 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 An image is 210 pixels wide and 210 pixels tall. How many pixels does it have in all?
29. 29.🟦 You shrink a 380 × 520 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 An image is 300 × 200 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
31. 31.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
32. 32.🟦 An image is 20 pixels wide and 220 pixels tall. How many pixels does it have in all?
33. 33.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
34. 34.🟦 An image is 50 pixels wide and 30 pixels tall. How many pixels does it have in all?
35. 35.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
37. 37.🟦 An image is 30 pixels wide and 220 pixels tall. How many pixels does it have in all?
38. 38.🟦 You shrink a 40 × 400 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the file name (d) the paper colour

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