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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 431 · 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 aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  2. 2.🟦 You shrink a 640 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
  4. 4.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
  5. 5.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  6. 6.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  7. 7.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  8. 8.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  9. 9.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) squashed or wide (d) sharper
  10. 10.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  11. 11.Which of these best fits 16:9? (a) a tall phone video (b) a square sticker (c) a square profile picture (d) a landscape video
  12. 12.🟦 You shrink a 300 × 740 pixel image to half its width and half its height. How many pixels does it have now?
  13. 13.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
  14. 14.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  15. 15.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  16. 16.🟦 An image is 90 pixels wide and 150 pixels tall. How many pixels does it have in all?
  17. 17.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  18. 18.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  19. 19.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 A 4:3 video frame is 390 pixels tall. How many pixels wide is it?
  21. 21.🟦 An image is 360 pixels wide and 280 pixels tall. How many pixels does it have in all?
  22. 22.🟦 You shrink an 80 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  24. 24.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  28. 28.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  30. 30.🟦 You shrink a 60 × 800 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
  32. 32.🟦 A 16:9 video frame is 1800 pixels tall. How many pixels wide is it?
  33. 33.🟦 An image is 160 × 160 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  34. 34.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  35. 35.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
  37. 37.Which of these best fits 9:16? (a) a classic tablet screen (b) a tall phone video (c) an older TV screen (d) a widescreen TV
  38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  39. 39.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
  40. 40.Which of these best fits 4:3? (a) a tall phone video (b) an older TV screen (c) an album cover (d) a square post

Answer key

  1. 4:3
  2. 44800
  3. wider than it is tall
  4. a tiny dot of colour
  5. 12
  6. 9:16
  7. 1200
  8. 16:9
  9. squashed or wide
  10. 4:3
  11. a landscape video
  12. 55500
  13. 1800
  14. 4:3
  15. 1:1
  16. 13500
  17. 16:9
  18. 1:1
  19. 3.5
  20. 520
  21. 100800
  22. 10400
  23. 4:3
  24. 3
  25. 12.5
  26. 3:2
  27. 900
  28. 12
  29. 9:16
  30. 12000
  31. blocky (pixelated)
  32. 3200
  33. 1:1
  34. 1:1
  35. 6
  36. the number of pixels
  37. a tall phone video
  38. 1200
  39. 600
  40. an older TV screen

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