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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 537 · 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.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
  2. 2.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  3. 3.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  4. 4.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.Which of these best fits 4:3? (a) an upright phone screen (b) a square profile picture (c) a widescreen slide (d) an older TV screen
  6. 6.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
  7. 7.🟦 An image is 130 pixels wide and 110 pixels tall. How many pixels does it have in all?
  8. 8.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  9. 9.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.Which of these best fits 16:9? (a) a classic tablet screen (b) a laptop film screen (c) a square profile picture (d) a square sticker
  11. 11.Which of these best fits 9:16? (a) a laptop film screen (b) a tall phone video (c) a widescreen slide (d) a widescreen TV
  12. 12.Which of these best fits 1:1? (a) an old-style monitor (b) a classic tablet screen (c) a square sticker (d) an older TV screen
  13. 13.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) a perfect square (d) taller than wide
  14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  15. 15.🟦 An image is 40 pixels wide and 190 pixels tall. How many pixels does it have in all?
  16. 16.🟦 You shrink a 40 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 An image is 100 pixels wide and 160 pixels tall. How many pixels does it have in all?
  18. 18.🟦 You shrink a 360 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  19. 19.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  20. 20.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
  21. 21.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) sharper (d) louder
  22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  23. 23.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
  24. 24.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  25. 25.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  26. 26.Which of these best fits 16:9? (a) a square post (b) a tall phone video (c) a landscape video (d) a square sticker
  27. 27.🟦 You shrink a 100 × 800 pixel image to half its width and half its height. How many pixels does it have now?
  28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  29. 29.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
  30. 30.🟦 An image is 150 pixels wide and 80 pixels tall. How many pixels does it have in all?
  31. 31.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.Which of these best fits 9:16? (a) a landscape video (b) a widescreen TV (c) a widescreen slide (d) an upright phone screen
  33. 33.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
  34. 34.Which of these best fits 1:1? (a) a phone story clip (b) a square profile picture (c) a widescreen TV (d) a classic tablet screen
  35. 35.🟦 An image is 50 pixels wide and 100 pixels tall. How many pixels does it have in all?
  36. 36.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  38. 38.🟦 An image is 30 pixels wide and 250 pixels tall. How many pixels does it have in all?
  39. 39.🟦 You shrink a 500 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. a tiny dot of colour
  2. 1:1
  3. 4.5
  4. 4
  5. an older TV screen
  6. 2720
  7. 14300
  8. 9:16
  9. 5
  10. a laptop film screen
  11. a tall phone video
  12. a square sticker
  13. wider than it is tall
  14. 1350
  15. 7600
  16. 6000
  17. 16000
  18. 16200
  19. 16:9
  20. 3520
  21. blocky (pixelated)
  22. 900
  23. 800
  24. 4:3
  25. 3:2
  26. a landscape video
  27. 20000
  28. 1800
  29. 840
  30. 12000
  31. 3.5
  32. an upright phone screen
  33. 920
  34. a square profile picture
  35. 5000
  36. 3
  37. 1500
  38. 7500
  39. 15000
  40. 15

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