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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 619 · 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 aspect ratio best fits a square profile picture? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  2. 2.Which of these best fits 1:1? (a) an old-style monitor (b) a landscape video (c) a widescreen slide (d) a square post
  3. 3.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
  4. 4.Which of these best fits 4:3? (a) a classic tablet screen (b) a square post (c) a phone story clip (d) a landscape video
  5. 5.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
  6. 6.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
  8. 8.🟦 You shrink a 260 × 340 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.Which of these best fits 1:1? (a) a square sticker (b) a laptop film screen (c) a phone story clip (d) a widescreen slide
  10. 10.🟦 An image is 320 pixels wide and 20 pixels tall. How many pixels does it have in all?
  11. 11.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
  12. 12.Which of these best fits 1:1? (a) an older TV screen (b) an old-style monitor (c) a widescreen slide (d) a square profile picture
  13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  14. 14.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 You shrink a 420 × 260 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.🟦 An image is 220 × 220 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  17. 17.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  18. 18.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
  19. 19.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  20. 20.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round
  22. 22.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
  24. 24.Which of these best fits 9:16? (a) a classic tablet screen (b) an older TV screen (c) an upright phone screen (d) a widescreen TV
  25. 25.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
  26. 26.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.Which of these best fits 16:9? (a) an older TV screen (b) a widescreen slide (c) a square sticker (d) an old-style monitor
  28. 28.Which of these best fits 9:16? (a) a square post (b) a square sticker (c) a tall phone video (d) a landscape video
  29. 29.🟦 An image is 230 pixels wide and 200 pixels tall. How many pixels does it have in all?
  30. 30.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  32. 32.🟦 An image is 270 pixels wide and 270 pixels tall. How many pixels does it have in all?
  33. 33.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  36. 36.🟦 An image is 100 pixels wide and 100 pixels tall. How many pixels does it have in all?
  37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  38. 38.🟦 An image is 100 pixels wide and 130 pixels tall. How many pixels does it have in all?
  39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  40. 40.Which of these best fits 4:3? (a) a phone story clip (b) an older TV screen (c) a widescreen TV (d) an album cover

Answer key

  1. 1:1
  2. a square post
  3. 240
  4. a classic tablet screen
  5. 60
  6. 12.5
  7. the number of pixels
  8. 22100
  9. a square sticker
  10. 6400
  11. blocky (pixelated)
  12. a square profile picture
  13. 300
  14. 8
  15. 27300
  16. 1:1
  17. 16:9
  18. 330
  19. 4:3
  20. 8
  21. wider than it is tall
  22. 2
  23. squashed or wide
  24. an upright phone screen
  25. 450
  26. 5
  27. a widescreen slide
  28. a tall phone video
  29. 46000
  30. 4
  31. 1:1
  32. 72900
  33. 16:9
  34. 3300
  35. 450
  36. 10000
  37. 3000
  38. 13000
  39. 600
  40. an older TV screen

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