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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 687 · 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.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
  2. 2.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  4. 4.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  5. 5.🟦 You shrink a 40 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  6. 6.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
  8. 8.🟦 An image is 190 pixels wide and 260 pixels tall. How many pixels does it have in all?
  9. 9.Which of these best fits 4:3? (a) an upright phone screen (b) a laptop film screen (c) an old-style monitor (d) a widescreen TV
  10. 10.Which of these best fits 9:16? (a) a widescreen slide (b) a laptop film screen (c) a square post (d) an upright phone screen
  11. 11.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  12. 12.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  13. 13.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  14. 14.🟦 An image is 330 pixels wide and 20 pixels tall. How many pixels does it have in all?
  15. 15.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  16. 16.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  17. 17.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  19. 19.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  20. 20.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
  22. 22.Which of these best fits 4:3? (a) a widescreen TV (b) an upright phone screen (c) an older TV screen (d) a widescreen slide
  23. 23.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  24. 24.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
  25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  27. 27.Which of these best fits 16:9? (a) a square post (b) a classic tablet screen (c) an upright phone screen (d) a widescreen TV
  28. 28.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  29. 29.🟦 An image is 330 pixels wide and 30 pixels tall. How many pixels does it have in all?
  30. 30.🟦 An image is 320 pixels wide and 150 pixels tall. How many pixels does it have in all?
  31. 31.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
  32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  34. 34.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  37. 37.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  38. 38.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  40. 40.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16

Answer key

  1. 120
  2. 1:1
  3. 600
  4. 4:3
  5. 6000
  6. 12
  7. blocky (pixelated)
  8. 49400
  9. an old-style monitor
  10. an upright phone screen
  11. 1:1
  12. 16:9
  13. 4:3
  14. 6600
  15. 1:1
  16. 4:3
  17. 1.5
  18. 1:1
  19. 1:1
  20. 7.5
  21. the number of pixels
  22. an older TV screen
  23. 1:1
  24. squashed or wide
  25. 450
  26. 1800
  27. a widescreen TV
  28. 16:9
  29. 9900
  30. 48000
  31. 150
  32. 1500
  33. 1500
  34. 2.5
  35. 1800
  36. 3600
  37. 16:9
  38. 15
  39. 900
  40. 4:3

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