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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 477 · 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.🟦 An image is 320 pixels wide and 240 pixels tall. How many pixels does it have in all?
  2. 2.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
  4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
  5. 5.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  6. 6.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  7. 7.🟦 You shrink a 580 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 An image is 70 pixels wide and 290 pixels tall. How many pixels does it have in all?
  9. 9.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  11. 11.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  13. 13.🟦 An image is 340 pixels wide and 230 pixels tall. How many pixels does it have in all?
  14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  15. 15.🟦 An image is 280 pixels wide and 280 pixels tall. How many pixels does it have in all?
  16. 16.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
  17. 17.Which of these best fits 4:3? (a) a square sticker (b) a phone story clip (c) a widescreen TV (d) a classic tablet screen
  18. 18.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  19. 19.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  20. 20.🟦 You shrink a 500 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  21. 21.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  22. 22.🟦 You shrink a 200 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 A 4:3 video frame is 570 pixels tall. How many pixels wide is it?
  24. 24.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  25. 25.🟦 You shrink a 700 × 620 pixel image to half its width and half its height. How many pixels does it have now?
  26. 26.Which of these best fits 9:16? (a) a widescreen TV (b) an album cover (c) a square post (d) an upright phone screen
  27. 27.🟦 An image is 280 pixels wide and 360 pixels tall. How many pixels does it have in all?
  28. 28.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the file name (d) the paper colour
  29. 29.Which of these best fits 9:16? (a) a square profile picture (b) an album cover (c) a classic tablet screen (d) a phone story clip
  30. 30.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
  31. 31.Which of these best fits 1:1? (a) a landscape video (b) a widescreen TV (c) a phone story clip (d) a square post
  32. 32.🟦 An image is 240 pixels wide and 390 pixels tall. How many pixels does it have in all?
  33. 33.Which of these best fits 4:3? (a) a phone story clip (b) a square sticker (c) an upright phone screen (d) an old-style monitor
  34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  35. 35.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  36. 36.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 You shrink a 420 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
  39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  40. 40.🟦 An image is 110 pixels wide and 240 pixels tall. How many pixels does it have in all?

Answer key

  1. 76800
  2. 10
  3. squashed or wide
  4. blocky (pixelated)
  5. 16:9
  6. 16:9
  7. 75400
  8. 20300
  9. 1.5
  10. 4:3
  11. 1:1
  12. 3300
  13. 78200
  14. 900
  15. 78400
  16. 320
  17. a classic tablet screen
  18. 9:16
  19. 4:3
  20. 87500
  21. 9:16
  22. 2000
  23. 760
  24. 1:1
  25. 108500
  26. an upright phone screen
  27. 100800
  28. the number of pixels
  29. a phone story clip
  30. 80
  31. a square post
  32. 93600
  33. an old-style monitor
  34. 2400
  35. 3:2
  36. 10.5
  37. 12600
  38. wider than it is tall
  39. 300
  40. 26400

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