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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 112 · 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 16:9 video frame is 270 pixels tall. How many pixels wide is it?
  2. 2.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
  3. 3.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  4. 4.🟦 You shrink a 180 × 480 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen slide (c) an upright phone screen (d) an album cover
  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.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.🟦 You shrink a 620 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.Which of these best fits 4:3? (a) an album cover (b) a classic tablet screen (c) an upright phone screen (d) a tall phone video
  10. 10.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  11. 11.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  12. 12.🟦 An image is 150 pixels wide and 280 pixels tall. How many pixels does it have in all?
  13. 13.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
  14. 14.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
  16. 16.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  17. 17.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
  19. 19.Which of these best fits 9:16? (a) a laptop film screen (b) an upright phone screen (c) an older TV screen (d) a classic tablet screen
  20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  21. 21.🟦 You shrink a 100 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  23. 23.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  24. 24.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  27. 27.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 An image is 70 pixels wide and 400 pixels tall. How many pixels does it have in all?
  29. 29.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) sharper (d) longer
  30. 30.🟦 You shrink a 700 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 You shrink a 260 × 540 pixel image to half its width and half its height. How many pixels does it have now?
  33. 33.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  34. 34.🟦 An image is 360 pixels wide and 110 pixels tall. How many pixels does it have in all?
  35. 35.🟦 You shrink a 700 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 You shrink a 340 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  37. 37.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen slide (c) a square profile picture (d) a widescreen TV
  39. 39.🟦 An image is 50 pixels wide and 100 pixels tall. How many pixels does it have in all?
  40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?

Answer key

  1. 480
  2. the number of pixels
  3. 1:1
  4. 21600
  5. an album cover
  6. 1:1
  7. 21
  8. 37200
  9. a classic tablet screen
  10. 3:2
  11. 16:9
  12. 42000
  13. a tiny dot of colour
  14. 12
  15. 390
  16. 16:9
  17. 3
  18. wider than it is tall
  19. an upright phone screen
  20. 1050
  21. 1000
  22. 600
  23. 9:16
  24. 2.5
  25. 1:1
  26. 2400
  27. 3
  28. 28000
  29. blocky (pixelated)
  30. 21000
  31. 8
  32. 35100
  33. 1:1
  34. 39600
  35. 38500
  36. 18700
  37. 6
  38. a square profile picture
  39. 5000
  40. 1200

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