Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 397 · 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 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
2. 2.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
3. 3.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
5. 5.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) taller than wide (d) a perfect square
6. 6.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
7. 7.🟦 An image is 190 pixels wide and 70 pixels tall. How many pixels does it have in all?
8. 8.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) more colourful (d) sharper
9. 9.🟦 You shrink an 80 × 300 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
11. 11.🟦 You shrink a 320 × 240 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 An image is 690 × 460 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
13. 13.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
14. 14.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a type of paper (d) a font size
15. 15.🟦 An image is 210 × 140 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
16. 16.Which of these best fits 16:9? (a) an album cover (b) a square profile picture (c) a phone story clip (d) a laptop film screen
17. 17.🟦 An image is 290 pixels wide and 70 pixels tall. How many pixels does it have in all?
18. 18.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
19. 19.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
20. 20.Which of these best fits 1:1? (a) a landscape video (b) an album cover (c) a widescreen TV (d) a phone story clip
21. 21.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.Which of these best fits 16:9? (a) an old-style monitor (b) a phone story clip (c) a widescreen TV (d) an album cover
23. 23.🟦 An image is 220 pixels wide and 270 pixels tall. How many pixels does it have in all?
24. 24.🟦 You shrink a 460 × 140 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
26. 26.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.Which of these best fits 4:3? (a) a square profile picture (b) an older TV screen (c) a square post (d) an album cover
28. 28.🟦 You shrink a 40 × 60 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
30. 30.Which of these best fits 1:1? (a) a tall phone video (b) a square post (c) an older TV screen (d) a landscape video
31. 31.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
32. 32.Which of these best fits 9:16? (a) a landscape video (b) an older TV screen (c) an upright phone screen (d) a square post
33. 33.Which of these best fits 16:9? (a) a phone story clip (b) a landscape video (c) a tall phone video (d) an album cover
34. 34.🟦 You shrink a 380 × 220 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 130 pixels wide and 170 pixels tall. How many pixels does it have in all?
36. 36.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
37. 37.Which of these best fits 16:9? (a) a widescreen slide (b) a classic tablet screen (c) an old-style monitor (d) an older TV screen
38. 38.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 You shrink a 140 × 240 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 An image is 210 pixels wide and 70 pixels tall. How many pixels does it have in all?

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