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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 259 · 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.Which of these best fits 4:3? (a) an older TV screen (b) a landscape video (c) a phone story clip (d) an upright phone screen
  2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  3. 3.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  5. 5.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
  6. 6.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  7. 7.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
  8. 8.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
  10. 10.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  11. 11.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  12. 12.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.🟦 You shrink a 740 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  15. 15.Which of these best fits 9:16? (a) a square sticker (b) a widescreen slide (c) an old-style monitor (d) an upright phone screen
  16. 16.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  17. 17.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
  18. 18.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  19. 19.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
  20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  21. 21.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  22. 22.🟦 An image is 350 pixels wide and 280 pixels tall. How many pixels does it have in all?
  23. 23.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
  24. 24.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.🟦 You shrink a 60 × 480 pixel image to half its width and half its height. How many pixels does it have now?
  26. 26.🟦 An image is 320 pixels wide and 210 pixels tall. How many pixels does it have in all?
  27. 27.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  28. 28.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.Which of these best fits 4:3? (a) a widescreen TV (b) an old-style monitor (c) an album cover (d) a square profile picture
  30. 30.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  31. 31.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  32. 32.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  34. 34.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 You shrink a 580 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.Which of these best fits 1:1? (a) a widescreen TV (b) a square sticker (c) a phone story clip (d) a classic tablet screen
  37. 37.🟦 An image is 230 pixels wide and 150 pixels tall. How many pixels does it have in all?
  38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  39. 39.🟦 An image is 380 pixels wide and 70 pixels tall. How many pixels does it have in all?
  40. 40.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9

Answer key

  1. an older TV screen
  2. 3300
  3. 9:16
  4. 600
  5. 880
  6. 1:1
  7. a tiny dot of colour
  8. 9
  9. the number of pixels
  10. 4:3
  11. 9:16
  12. 17.5
  13. 3
  14. 111000
  15. an upright phone screen
  16. 16:9
  17. blocky (pixelated)
  18. 1:1
  19. wider than it is tall
  20. 3600
  21. 1:1
  22. 98000
  23. squashed or wide
  24. 7
  25. 7200
  26. 67200
  27. 3:2
  28. 3
  29. an old-style monitor
  30. 4:3
  31. 9:16
  32. 7.5
  33. 4:3
  34. 4
  35. 46400
  36. a square sticker
  37. 34500
  38. 450
  39. 26600
  40. 3:2

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