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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 141 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.Which of these best fits 9:16? (a) a laptop film screen (b) a classic tablet screen (c) a tall phone video (d) a square profile picture
  2. 2.Which of these best fits 16:9? (a) a phone story clip (b) an old-style monitor (c) a widescreen TV (d) an upright phone screen
  3. 3.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  4. 4.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  5. 5.Which of these best fits 1:1? (a) an album cover (b) a widescreen TV (c) a phone story clip (d) an old-style monitor
  6. 6.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
  7. 7.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  9. 9.Which of these best fits 1:1? (a) a square sticker (b) an upright phone screen (c) a widescreen slide (d) a laptop film screen
  10. 10.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  11. 11.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  12. 12.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  13. 13.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  14. 14.🟦 You shrink a 600 × 260 pixel image to half its width and half its height. How many pixels does it have now?
  15. 15.🟦 You shrink a 260 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.🟦 You shrink a 700 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
  18. 18.Which of these best fits 4:3? (a) a widescreen slide (b) a tall phone video (c) a laptop film screen (d) an older TV screen
  19. 19.🟦 You shrink a 660 × 340 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  21. 21.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
  22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  23. 23.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
  24. 24.Which of these best fits 9:16? (a) a square profile picture (b) a landscape video (c) an upright phone screen (d) an album cover
  25. 25.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  27. 27.Which of these best fits 16:9? (a) an upright phone screen (b) a laptop film screen (c) a tall phone video (d) an older TV screen
  28. 28.🟦 An image is 300 pixels wide and 220 pixels tall. How many pixels does it have in all?
  29. 29.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  30. 30.Which of these best fits 1:1? (a) a widescreen TV (b) a classic tablet screen (c) an upright phone screen (d) a square post
  31. 31.Which of these best fits 4:3? (a) a square profile picture (b) a classic tablet screen (c) a widescreen slide (d) a square sticker
  32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  33. 33.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) a perfect square (d) taller than wide
  34. 34.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  35. 35.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
  36. 36.🟦 An image is 90 pixels wide and 350 pixels tall. How many pixels does it have in all?
  37. 37.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  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.🟦 An image is 190 pixels wide and 180 pixels tall. How many pixels does it have in all?
  40. 40.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size

Answer key

  1. a tall phone video
  2. a widescreen TV
  3. 1:1
  4. 4:3
  5. an album cover
  6. the number of pixels
  7. 3:2
  8. 1350
  9. a square sticker
  10. 16:9
  11. 3:2
  12. 4:3
  13. 640
  14. 39000
  15. 14300
  16. 31500
  17. 1890
  18. an older TV screen
  19. 56100
  20. 1200
  21. squashed or wide
  22. 2400
  23. 300
  24. an upright phone screen
  25. 15
  26. 1:1
  27. a laptop film screen
  28. 66000
  29. 1:1
  30. a square post
  31. a classic tablet screen
  32. 300
  33. wider than it is tall
  34. 9:16
  35. blocky (pixelated)
  36. 31500
  37. 10
  38. 2700
  39. 34200
  40. a tiny dot of colour

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