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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 822 · 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 photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  3. 3.🟦 You shrink a 280 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) longer (d) blocky (pixelated)
  5. 5.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
  6. 6.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  7. 7.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  8. 8.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  9. 9.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the paper colour (d) the file name
  10. 10.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  11. 11.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  13. 13.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  14. 14.🟦 An image is 40 pixels wide and 40 pixels tall. How many pixels does it have in all?
  15. 15.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  17. 17.🟦 An image is 200 pixels wide and 20 pixels tall. How many pixels does it have in all?
  18. 18.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  19. 19.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  20. 20.🟦 You shrink a 740 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  21. 21.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  23. 23.🟦 You shrink an 80 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  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 post
  25. 25.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  26. 26.Which of these best fits 1:1? (a) a widescreen slide (b) an older TV screen (c) a tall phone video (d) a square profile picture
  27. 27.🟦 An image is 250 pixels wide and 140 pixels tall. How many pixels does it have in all?
  28. 28.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
  29. 29.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  30. 30.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
  31. 31.🟦 An image is 390 pixels wide and 330 pixels tall. How many pixels does it have in all?
  32. 32.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
  33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  34. 34.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  35. 35.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  36. 36.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a font size (d) a sound
  37. 37.🟦 You shrink an 800 × 60 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.Which of these best fits 16:9? (a) a widescreen TV (b) a phone story clip (c) a tall phone video (d) an older TV screen
  39. 39.🟦 An image is 110 pixels wide and 150 pixels tall. How many pixels does it have in all?
  40. 40.🟦 You shrink a 240 × 620 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. 10
  2. 9:16
  3. 30800
  4. blocky (pixelated)
  5. wider than it is tall
  6. 1:1
  7. 4:3
  8. 1:1
  9. the number of pixels
  10. 1.5
  11. 1:1
  12. 900
  13. 16:9
  14. 1600
  15. 3:2
  16. 1200
  17. 4000
  18. 1800
  19. 1:1
  20. 29600
  21. 4:3
  22. 2700
  23. 2000
  24. an upright phone screen
  25. 4:3
  26. a square profile picture
  27. 35000
  28. 120
  29. 16:9
  30. 540
  31. 128700
  32. 60
  33. 1050
  34. 4:3
  35. 9:16
  36. a tiny dot of colour
  37. 12000
  38. a widescreen TV
  39. 16500
  40. 37200

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