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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 369 · 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 480 pixels tall. How many pixels wide is it?
  2. 2.🟦 You shrink a 440 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.Which of these best fits 16:9? (a) a landscape video (b) a tall phone video (c) a square post (d) a square sticker
  4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
  5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  7. 7.🟦 An image is 30 pixels wide and 220 pixels tall. How many pixels does it have in all?
  8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  9. 9.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  10. 10.🟦 A 16:9 video frame is 1760 pixels wide. How many pixels tall is it?
  11. 11.🟦 An image is 80 pixels wide and 50 pixels tall. How many pixels does it have in all?
  12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  13. 13.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  14. 14.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  16. 16.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
  17. 17.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
  18. 18.Which of these best fits 4:3? (a) a classic tablet screen (b) a phone story clip (c) a landscape video (d) a square profile picture
  19. 19.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  20. 20.🟦 You shrink an 80 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  22. 22.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  23. 23.Which of these best fits 9:16? (a) a phone story clip (b) a widescreen slide (c) a square sticker (d) a square profile picture
  24. 24.Which of these best fits 1:1? (a) a classic tablet screen (b) a tall phone video (c) a square sticker (d) a phone story clip
  25. 25.🟦 An image is 160 × 160 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  26. 26.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  27. 27.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  28. 28.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
  29. 29.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.Which of these best fits 4:3? (a) a square sticker (b) a widescreen slide (c) a square post (d) an older TV screen
  31. 31.Which of these best fits 9:16? (a) a tall phone video (b) an older TV screen (c) an old-style monitor (d) a widescreen slide
  32. 32.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  33. 33.🟦 You shrink a 780 × 720 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  35. 35.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) taller than wide (d) round
  37. 37.🟦 You shrink an 800 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
  40. 40.🟦 An image is 240 pixels wide and 80 pixels tall. How many pixels does it have in all?

Answer key

  1. 640
  2. 70400
  3. a landscape video
  4. blocky (pixelated)
  5. 1050
  6. 300
  7. 6600
  8. 1800
  9. 1:1
  10. 990
  11. 4000
  12. 600
  13. 4:3
  14. 8
  15. 900
  16. 2400
  17. 1980
  18. a classic tablet screen
  19. 16:9
  20. 12800
  21. 3300
  22. 4:3
  23. a phone story clip
  24. a square sticker
  25. 1:1
  26. 640
  27. 3:2
  28. 2160
  29. 20
  30. an older TV screen
  31. a tall phone video
  32. 9:16
  33. 140400
  34. 450
  35. 5
  36. wider than it is tall
  37. 128000
  38. 7.5
  39. 800
  40. 19200

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