Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 228 · 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 aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
2. 2.🟦 You shrink a 600 × 580 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 An image is 190 pixels wide and 130 pixels tall. How many pixels does it have in all?
4. 4.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
6. 6.Which of these best fits 4:3? (a) a square sticker (b) a tall phone video (c) a landscape video (d) an old-style monitor
7. 7.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
8. 8.Which of these best fits 16:9? (a) an upright phone screen (b) a square post (c) a landscape video (d) a tall phone video
9. 9.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
10. 10.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a type of paper (d) a sound
11. 11.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
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 1:1? (a) a tall phone video (b) an old-style monitor (c) a classic tablet screen (d) a square profile picture
14. 14.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
16. 16.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
18. 18.Which of these best fits 16:9? (a) a phone story clip (b) a square sticker (c) a widescreen TV (d) a classic tablet screen
19. 19.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
20. 20.Which of these best fits 4:3? (a) a widescreen TV (b) an older TV screen (c) a laptop film screen (d) a square post
21. 21.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
22. 22.Which of these best fits 1:1? (a) a square post (b) an old-style monitor (c) an upright phone screen (d) a laptop film screen
23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
24. 24.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen slide (c) an upright phone screen (d) a square post
25. 25.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
26. 26.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
27. 27.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
28. 28.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
30. 30.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen slide (c) a widescreen TV (d) an upright phone screen
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
32. 32.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.Which of these best fits 16:9? (a) a square sticker (b) a laptop film screen (c) an upright phone screen (d) an older TV screen
34. 34.🟦 You shrink a 280 × 540 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 You shrink a 160 × 380 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 An image is 400 pixels wide and 220 pixels tall. How many pixels does it have in all?
37. 37.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
39. 39.🟦 You shrink a 100 × 420 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?

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