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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 213 · 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.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) louder (d) blocky (pixelated)
  2. 2.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
  3. 3.Which of these best fits 4:3? (a) a phone story clip (b) an older TV screen (c) a laptop film screen (d) a square profile picture
  4. 4.Which of these best fits 1:1? (a) an album cover (b) a widescreen slide (c) a classic tablet screen (d) an older TV screen
  5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  6. 6.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
  7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  8. 8.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  10. 10.🟦 You shrink a 140 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  11. 11.Which of these best fits 16:9? (a) a square sticker (b) an upright phone screen (c) a widescreen TV (d) an album cover
  12. 12.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 You shrink a 660 × 460 pixel image to half its width and half its height. How many pixels does it have now?
  14. 14.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  16. 16.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  17. 17.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) more colourful (d) sharper
  18. 18.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  19. 19.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  20. 20.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
  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.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  23. 23.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  24. 24.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  25. 25.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  26. 26.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?
  27. 27.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  28. 28.Which of these best fits 1:1? (a) a phone story clip (b) a tall phone video (c) a widescreen slide (d) a square sticker
  29. 29.🟦 An image is 60 pixels wide and 350 pixels tall. How many pixels does it have in all?
  30. 30.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
  31. 31.🟦 An image is 380 pixels wide and 380 pixels tall. How many pixels does it have in all?
  32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  33. 33.Which of these best fits 9:16? (a) an older TV screen (b) a tall phone video (c) a square sticker (d) an album cover
  34. 34.Which of these best fits 1:1? (a) a widescreen TV (b) a laptop film screen (c) a classic tablet screen (d) a square post
  35. 35.🟦 You shrink a 100 × 340 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
  37. 37.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.Which of these best fits 9:16? (a) an older TV screen (b) an album cover (c) an old-style monitor (d) an upright phone screen
  39. 39.🟦 An image is 240 pixels wide and 180 pixels tall. How many pixels does it have in all?
  40. 40.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3

Answer key

  1. blocky (pixelated)
  2. 320
  3. an older TV screen
  4. an album cover
  5. 900
  6. 90
  7. 300
  8. 16:9
  9. 750
  10. 1400
  11. a widescreen TV
  12. 4.5
  13. 75900
  14. 1:1
  15. 1200
  16. 9:16
  17. squashed or wide
  18. 10
  19. 16:9
  20. wider than it is tall
  21. 1650
  22. 1:1
  23. 1:1
  24. 9:16
  25. 16:9
  26. 720
  27. 16:9
  28. a square sticker
  29. 21000
  30. the number of pixels
  31. 144400
  32. 1800
  33. a tall phone video
  34. a square post
  35. 8500
  36. a tiny dot of colour
  37. 1
  38. an upright phone screen
  39. 43200
  40. 9:16

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