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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 87 · 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.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  2. 2.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  4. 4.Which of these best fits 4:3? (a) an album cover (b) an old-style monitor (c) a laptop film screen (d) a widescreen slide
  5. 5.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  6. 6.🟦 You shrink a 380 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.🟦 You shrink a 60 × 300 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 You shrink a 220 × 260 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  10. 10.Which of these best fits 9:16? (a) a square sticker (b) a tall phone video (c) a landscape video (d) an older TV screen
  11. 11.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  12. 12.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  13. 13.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the file name (d) the paper colour
  14. 14.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 A 4:3 video frame is 360 pixels wide. How many pixels tall is it?
  16. 16.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
  17. 17.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen TV (c) an old-style monitor (d) an album cover
  18. 18.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  20. 20.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) longer (d) blocky (pixelated)
  21. 21.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  22. 22.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  23. 23.Which of these best fits 4:3? (a) a laptop film screen (b) a tall phone video (c) an older TV screen (d) a square profile picture
  24. 24.🟦 An image is 40 pixels wide and 60 pixels tall. How many pixels does it have in all?
  25. 25.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
  26. 26.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  27. 27.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  28. 28.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  30. 30.🟦 You shrink a 200 × 400 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 You shrink a 160 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
  33. 33.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  34. 34.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  35. 35.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
  36. 36.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.Which of these best fits 1:1? (a) an older TV screen (b) a square profile picture (c) a landscape video (d) an old-style monitor
  38. 38.🟦 An image is 230 pixels wide and 300 pixels tall. How many pixels does it have in all?
  39. 39.Which of these best fits 1:1? (a) a widescreen TV (b) an older TV screen (c) an album cover (d) a landscape video
  40. 40.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 16:9
  2. 16:9
  3. 1350
  4. an old-style monitor
  5. 1:1
  6. 49400
  7. 4500
  8. 14300
  9. 1200
  10. a tall phone video
  11. 16:9
  12. 4:3
  13. the number of pixels
  14. 3
  15. 270
  16. 390
  17. a widescreen TV
  18. 1:1
  19. 1800
  20. blocky (pixelated)
  21. 1650
  22. 16:9
  23. an older TV screen
  24. 2400
  25. wider than it is tall
  26. 4:3
  27. 4:3
  28. 16:9
  29. 900
  30. 20000
  31. 6400
  32. 1120
  33. 4:3
  34. 9:16
  35. squashed or wide
  36. 7
  37. a square profile picture
  38. 69000
  39. an album cover
  40. 5

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