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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 879 · 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 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  4. 4.🟦 You shrink a 480 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
  6. 6.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  9. 9.Which of these best fits 9:16? (a) an album cover (b) a tall phone video (c) a square post (d) a classic tablet screen
  10. 10.🟦 You shrink an 800 × 500 pixel image to half its width and half its height. How many pixels does it have now?
  11. 11.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 A 4:3 video frame is 360 pixels wide. How many pixels tall is it?
  13. 13.🟦 An image is 190 pixels wide and 350 pixels tall. How many pixels does it have in all?
  14. 14.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  15. 15.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
  16. 16.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
  17. 17.🟦 You shrink a 360 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  18. 18.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  19. 19.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
  20. 20.Which of these best fits 16:9? (a) a phone story clip (b) a square sticker (c) a tall phone video (d) a landscape video
  21. 21.🟦 An image is 30 pixels wide and 150 pixels tall. How many pixels does it have in all?
  22. 22.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  23. 23.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  24. 24.Which of these best fits 16:9? (a) an older TV screen (b) an old-style monitor (c) a widescreen TV (d) a square post
  25. 25.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  26. 26.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  27. 27.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
  28. 28.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  29. 29.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  30. 30.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
  31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  33. 33.🟦 You shrink a 120 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.Which of these best fits 4:3? (a) a laptop film screen (b) an older TV screen (c) a square post (d) a square sticker
  36. 36.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
  37. 37.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 You shrink a 780 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 An image is 270 pixels wide and 250 pixels tall. How many pixels does it have in all?
  40. 40.Which of these best fits 16:9? (a) a square post (b) a square profile picture (c) a widescreen slide (d) an older TV screen

Answer key

  1. 3.5
  2. 2.5
  3. 1:1
  4. 14400
  5. blocky (pixelated)
  6. 24
  7. 15
  8. 9:16
  9. a tall phone video
  10. 100000
  11. 1
  12. 270
  13. 66500
  14. 16:9
  15. 1620
  16. a tiny dot of colour
  17. 12600
  18. 7
  19. 120
  20. a landscape video
  21. 4500
  22. 16:9
  23. 4:3
  24. a widescreen TV
  25. 16:9
  26. 4:3
  27. wider than it is tall
  28. 4:3
  29. 9:16
  30. 210
  31. 1050
  32. 600
  33. 2400
  34. 8
  35. an older TV screen
  36. 4:3
  37. 3
  38. 15600
  39. 67500
  40. a widescreen slide

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