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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 426 · 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 laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  2. 2.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  4. 4.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
  6. 6.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
  7. 7.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  8. 8.🟦 An image is 150 pixels wide and 400 pixels tall. How many pixels does it have in all?
  9. 9.Which of these best fits 16:9? (a) a square sticker (b) a classic tablet screen (c) a tall phone video (d) a widescreen slide
  10. 10.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
  11. 11.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  12. 12.🟦 You shrink an 80 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  13. 13.🟦 An image is 170 pixels wide and 300 pixels tall. How many pixels does it have in all?
  14. 14.🟦 An image is 210 pixels wide and 120 pixels tall. How many pixels does it have in all?
  15. 15.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  16. 16.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  17. 17.Which of these best fits 1:1? (a) a widescreen TV (b) a square post (c) a tall phone video (d) a landscape video
  18. 18.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
  19. 19.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.Which of these best fits 1:1? (a) a widescreen slide (b) a square sticker (c) a laptop film screen (d) a classic tablet screen
  21. 21.🟦 An image is 250 pixels wide and 70 pixels tall. How many pixels does it have in all?
  22. 22.Which of these best fits 1:1? (a) an upright phone screen (b) an album cover (c) a widescreen TV (d) a phone story clip
  23. 23.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  24. 24.🟦 An image is 80 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  25. 25.Which of these best fits 4:3? (a) a classic tablet screen (b) a widescreen slide (c) a square profile picture (d) a phone story clip
  26. 26.🟦 An image is 310 pixels wide and 80 pixels tall. How many pixels does it have in all?
  27. 27.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.Which of these best fits 16:9? (a) a widescreen TV (b) a classic tablet screen (c) an upright phone screen (d) a square sticker
  29. 29.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  31. 31.Which of these best fits 9:16? (a) a tall phone video (b) an older TV screen (c) a square profile picture (d) a square sticker
  32. 32.🟦 An image is 390 pixels wide and 290 pixels tall. How many pixels does it have in all?
  33. 33.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  34. 34.🟦 An image is 80 pixels wide and 150 pixels tall. How many pixels does it have in all?
  35. 35.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  36. 36.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.Which of these best fits 9:16? (a) an album cover (b) a square sticker (c) an upright phone screen (d) a widescreen slide
  39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  40. 40.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2

Answer key

  1. 16:9
  2. 4
  3. 20
  4. 1:1
  5. blocky (pixelated)
  6. 360
  7. 1500
  8. 60000
  9. a widescreen slide
  10. squashed or wide
  11. 3:2
  12. 4800
  13. 51000
  14. 25200
  15. 1:1
  16. 4:3
  17. a square post
  18. wider than it is tall
  19. 2
  20. a square sticker
  21. 17500
  22. an album cover
  23. 1:1
  24. 4:3
  25. a classic tablet screen
  26. 24800
  27. 2
  28. a widescreen TV
  29. 7.5
  30. 4:3
  31. a tall phone video
  32. 113100
  33. 9:16
  34. 12000
  35. 3:2
  36. 10
  37. 3
  38. an upright phone screen
  39. 1200
  40. 3:2

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