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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 226 · 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.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
  2. 2.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
  3. 3.🟦 An image is 290 pixels wide and 330 pixels tall. How many pixels does it have in all?
  4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  5. 5.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
  6. 6.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  7. 7.🟦 An image is 250 pixels wide and 210 pixels tall. How many pixels does it have in all?
  8. 8.🟦 An image is 60 pixels wide and 260 pixels tall. How many pixels does it have in all?
  9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  10. 10.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
  11. 11.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  12. 12.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  14. 14.Which of these best fits 16:9? (a) a square post (b) a laptop film screen (c) an album cover (d) an older TV screen
  15. 15.Which of these best fits 16:9? (a) an album cover (b) a widescreen TV (c) a square profile picture (d) an older TV screen
  16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  17. 17.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  19. 19.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.Which of these best fits 9:16? (a) a phone story clip (b) a square sticker (c) an older TV screen (d) a widescreen TV
  21. 21.🟦 An image is 220 × 220 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  22. 22.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  24. 24.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  25. 25.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
  26. 26.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
  27. 27.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
  28. 28.🟦 An image is 270 pixels wide and 80 pixels tall. How many pixels does it have in all?
  29. 29.🟦 You shrink a 260 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  31. 31.🟦 An image is 100 pixels wide and 120 pixels tall. How many pixels does it have in all?
  32. 32.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  34. 34.Which of these best fits 4:3? (a) a tall phone video (b) a square profile picture (c) an upright phone screen (d) a classic tablet screen
  35. 35.🟦 An image is 70 pixels wide and 290 pixels tall. How many pixels does it have in all?
  36. 36.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  37. 37.🟦 An image is 120 pixels wide and 210 pixels tall. How many pixels does it have in all?
  38. 38.Which of these best fits 1:1? (a) an upright phone screen (b) a phone story clip (c) a widescreen slide (d) a square profile picture
  39. 39.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.Which of these best fits 1:1? (a) an upright phone screen (b) an older TV screen (c) an album cover (d) a laptop film screen

Answer key

  1. blocky (pixelated)
  2. 1760
  3. 95700
  4. 2400
  5. wider than it is tall
  6. 3:2
  7. 52500
  8. 15600
  9. 3000
  10. 320
  11. 4:3
  12. 9:16
  13. 1200
  14. a laptop film screen
  15. a widescreen TV
  16. 1800
  17. 10
  18. 4:3
  19. 2
  20. a phone story clip
  21. 1:1
  22. 14
  23. 16:9
  24. 4:3
  25. 120
  26. a tiny dot of colour
  27. squashed or wide
  28. 21600
  29. 14300
  30. 600
  31. 12000
  32. 7.5
  33. 1:1
  34. a classic tablet screen
  35. 20300
  36. 4:3
  37. 25200
  38. a square profile picture
  39. 20
  40. an album cover

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