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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 829 · 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 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
  3. 3.🟦 An image is 70 pixels wide and 190 pixels tall. How many pixels does it have in all?
  4. 4.🟦 You shrink a 600 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  6. 6.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
  8. 8.Which of these best fits 4:3? (a) a square sticker (b) an upright phone screen (c) an old-style monitor (d) an album cover
  9. 9.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  11. 11.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  12. 12.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.Which of these best fits 4:3? (a) a landscape video (b) a square profile picture (c) a classic tablet screen (d) a widescreen TV
  14. 14.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 An image is 150 pixels wide and 30 pixels tall. How many pixels does it have in all?
  16. 16.🟦 An image is 120 pixels wide and 230 pixels tall. How many pixels does it have in all?
  17. 17.🟦 You shrink a 520 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  18. 18.🟦 You shrink a 160 × 620 pixel image to half its width and half its height. How many pixels does it have now?
  19. 19.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 An image is 230 pixels wide and 280 pixels tall. How many pixels does it have in all?
  21. 21.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
  22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  23. 23.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  24. 24.🟦 An image is 320 pixels wide and 120 pixels tall. How many pixels does it have in all?
  25. 25.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  26. 26.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  27. 27.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the file name (d) the paper colour
  28. 28.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  29. 29.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
  30. 30.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 An image is 50 pixels wide and 170 pixels tall. How many pixels does it have in all?
  32. 32.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  33. 33.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
  34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  35. 35.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
  36. 36.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  37. 37.🟦 You shrink a 280 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 An image is 110 pixels wide and 20 pixels tall. How many pixels does it have in all?
  39. 39.🟦 You shrink a 140 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.Which of these best fits 4:3? (a) an album cover (b) an upright phone screen (c) an older TV screen (d) a phone story clip

Answer key

  1. 4
  2. a tiny dot of colour
  3. 13300
  4. 24000
  5. 1:1
  6. 3
  7. blocky (pixelated)
  8. an old-style monitor
  9. 2
  10. 600
  11. 4:3
  12. 6
  13. a classic tablet screen
  14. 4.5
  15. 4500
  16. 27600
  17. 36400
  18. 24800
  19. 6
  20. 64400
  21. squashed or wide
  22. 900
  23. 16:9
  24. 38400
  25. 1:1
  26. 16:9
  27. the number of pixels
  28. 4:3
  29. wider than it is tall
  30. 5
  31. 8500
  32. 9:16
  33. 210
  34. 2400
  35. 540
  36. 9:16
  37. 19600
  38. 2200
  39. 20300
  40. an older TV screen

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