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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 367 · 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 400 pixels wide. How many pixels tall is it?
  2. 2.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
  3. 3.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
  4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
  5. 5.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  6. 6.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.Which of these best fits 1:1? (a) an older TV screen (b) a widescreen TV (c) a square sticker (d) an upright phone screen
  8. 8.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) sharper (d) more colourful
  9. 9.Which of these best fits 1:1? (a) a classic tablet screen (b) a tall phone video (c) a square post (d) a laptop film screen
  10. 10.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
  11. 11.🟦 An image is 170 pixels wide and 110 pixels tall. How many pixels does it have in all?
  12. 12.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  13. 13.Which of these best fits 16:9? (a) a classic tablet screen (b) a phone story clip (c) a square profile picture (d) a landscape video
  14. 14.🟦 An image is 320 pixels wide and 340 pixels tall. How many pixels does it have in all?
  15. 15.🟦 An image is 20 pixels wide and 260 pixels tall. How many pixels does it have in all?
  16. 16.🟦 You shrink a 40 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.Which of these best fits 4:3? (a) an upright phone screen (b) a square profile picture (c) an older TV screen (d) a tall phone video
  18. 18.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  19. 19.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  20. 20.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  21. 21.🟦 An image is 40 pixels wide and 150 pixels tall. How many pixels does it have in all?
  22. 22.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  24. 24.Which of these best fits 9:16? (a) a square profile picture (b) a landscape video (c) an upright phone screen (d) a square sticker
  25. 25.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
  26. 26.🟦 An image is 80 pixels wide and 390 pixels tall. How many pixels does it have in all?
  27. 27.Which of these best fits 1:1? (a) a phone story clip (b) a square profile picture (c) a landscape video (d) a widescreen slide
  28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  29. 29.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  30. 30.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
  32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  33. 33.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?
  34. 34.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  35. 35.🟦 You shrink a 580 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 A 16:9 video frame is 2160 pixels tall. How many pixels wide is it?
  37. 37.🟦 An image is 200 pixels wide and 380 pixels tall. How many pixels does it have in all?
  38. 38.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  39. 39.Which of these best fits 4:3? (a) a widescreen slide (b) a square post (c) a laptop film screen (d) an old-style monitor
  40. 40.Which of these best fits 16:9? (a) a widescreen TV (b) an older TV screen (c) an upright phone screen (d) a square post

Answer key

  1. 300
  2. wider than it is tall
  3. 330
  4. blocky (pixelated)
  5. 1:1
  6. 14
  7. a square sticker
  8. squashed or wide
  9. a square post
  10. 80
  11. 18700
  12. 16:9
  13. a landscape video
  14. 108800
  15. 5200
  16. 4400
  17. an older TV screen
  18. 3:2
  19. 1:1
  20. 1:1
  21. 6000
  22. 6
  23. 450
  24. an upright phone screen
  25. 90
  26. 31200
  27. a square profile picture
  28. 3600
  29. 16:9
  30. 12
  31. 1600
  32. 900
  33. 280
  34. 4:3
  35. 34800
  36. 3840
  37. 76000
  38. 9:16
  39. an old-style monitor
  40. a widescreen TV

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