Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 265 · 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 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
3. 3.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
4. 4.🟦 An image is 140 pixels wide and 150 pixels tall. How many pixels does it have in all?
5. 5.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
8. 8.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
9. 9.🟦 You shrink a 220 × 60 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
11. 11.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) sharper (d) more colourful
12. 12.Which of these best fits 16:9? (a) an older TV screen (b) a laptop film screen (c) a square profile picture (d) a square sticker
13. 13.🟦 You shrink a 700 × 520 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
16. 16.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
17. 17.Which of these best fits 1:1? (a) an older TV screen (b) an old-style monitor (c) a square profile picture (d) a laptop film screen
18. 18.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
19. 19.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
20. 20.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
21. 21.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
22. 22.🟦 An image is 280 pixels wide and 230 pixels tall. How many pixels does it have in all?
23. 23.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
24. 24.Which of these best fits 9:16? (a) a square profile picture (b) an old-style monitor (c) an album cover (d) a tall phone video
25. 25.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
26. 26.Which of these best fits 4:3? (a) a widescreen TV (b) an upright phone screen (c) an old-style monitor (d) a laptop film screen
27. 27.🟦 You shrink a 40 × 520 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?
29. 29.🟦 An image is 270 pixels wide and 140 pixels tall. How many pixels does it have in all?
30. 30.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
33. 33.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
34. 34.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
35. 35.🟦 An image is 120 pixels wide and 290 pixels tall. How many pixels does it have in all?
36. 36.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
38. 38.🟦 An image is 30 pixels wide and 70 pixels tall. How many pixels does it have in all?
39. 39.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
40. 40.🟦 An image is 70 pixels wide and 90 pixels tall. How many pixels does it have in all?

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