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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 42 · 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.🟦 You shrink a 540 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  2. 2.🟦 An image is 60 pixels wide and 170 pixels tall. How many pixels does it have in all?
  3. 3.🟦 You shrink an 80 × 260 pixel image to half its width and half its height. How many pixels does it have now?
  4. 4.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
  5. 5.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
  6. 6.🟦 You shrink a 580 × 340 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.Which of these best fits 1:1? (a) a tall phone video (b) a laptop film screen (c) a square profile picture (d) an older TV screen
  8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  9. 9.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.Which of these best fits 4:3? (a) a tall phone video (b) an album cover (c) a classic tablet screen (d) an upright phone screen
  11. 11.🟦 An image is 290 pixels wide and 310 pixels tall. How many pixels does it have in all?
  12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  13. 13.Which of these best fits 9:16? (a) an older TV screen (b) a landscape video (c) a square post (d) an upright phone screen
  14. 14.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  16. 16.Which of these best fits 16:9? (a) a landscape video (b) an older TV screen (c) a classic tablet screen (d) an old-style monitor
  17. 17.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  18. 18.🟦 An image is 250 pixels wide and 20 pixels tall. How many pixels does it have in all?
  19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  20. 20.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  21. 21.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  22. 22.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
  23. 23.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
  24. 24.🟦 An image is 300 pixels wide and 20 pixels tall. How many pixels does it have in all?
  25. 25.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) taller than wide (d) a perfect square
  26. 26.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  27. 27.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
  29. 29.🟦 An image is 320 pixels wide and 190 pixels tall. How many pixels does it have in all?
  30. 30.🟦 An image is 30 pixels wide and 70 pixels tall. How many pixels does it have in all?
  31. 31.🟦 An image is 220 pixels wide and 210 pixels tall. How many pixels does it have in all?
  32. 32.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  33. 33.🟦 You shrink a 160 × 720 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  35. 35.Which of these best fits 9:16? (a) a phone story clip (b) an old-style monitor (c) a widescreen TV (d) a square profile picture
  36. 36.🟦 An image is 70 pixels wide and 220 pixels tall. How many pixels does it have in all?
  37. 37.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 An image is 110 pixels wide and 150 pixels tall. How many pixels does it have in all?
  39. 39.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  40. 40.Which of these best fits 9:16? (a) a square post (b) an older TV screen (c) a widescreen TV (d) a tall phone video

Answer key

  1. 5400
  2. 10200
  3. 5200
  4. a tiny dot of colour
  5. 390
  6. 49300
  7. a square profile picture
  8. 300
  9. 7
  10. a classic tablet screen
  11. 89900
  12. 2400
  13. an upright phone screen
  14. 16:9
  15. 1650
  16. a landscape video
  17. 1:1
  18. 5000
  19. 1800
  20. 9:16
  21. 12
  22. 900
  23. the number of pixels
  24. 6000
  25. wider than it is tall
  26. 1:1
  27. 5
  28. blocky (pixelated)
  29. 60800
  30. 2100
  31. 46200
  32. 1:1
  33. 28800
  34. 4:3
  35. a phone story clip
  36. 15400
  37. 9
  38. 16500
  39. 3:2
  40. a tall phone video

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