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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 169 · 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.🟦 An image is 90 pixels wide and 330 pixels tall. How many pixels does it have in all?
  2. 2.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
  3. 3.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  4. 4.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  5. 5.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  6. 6.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
  7. 7.🟦 You shrink a 720 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  9. 9.🟦 An image is 190 pixels wide and 140 pixels tall. How many pixels does it have in all?
  10. 10.Which of these best fits 4:3? (a) a widescreen TV (b) a laptop film screen (c) an older TV screen (d) a square sticker
  11. 11.🟦 An image is 30 pixels wide and 240 pixels tall. How many pixels does it have in all?
  12. 12.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.Which of these best fits 9:16? (a) a square post (b) an upright phone screen (c) an album cover (d) a widescreen slide
  14. 14.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) louder (d) sharper
  15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  16. 16.Which of these best fits 1:1? (a) an older TV screen (b) an old-style monitor (c) a phone story clip (d) an album cover
  17. 17.Which of these best fits 16:9? (a) a phone story clip (b) a widescreen TV (c) a tall phone video (d) a square profile picture
  18. 18.Which of these best fits 16:9? (a) a square post (b) an old-style monitor (c) an older TV screen (d) a widescreen slide
  19. 19.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
  20. 20.Which of these best fits 1:1? (a) a laptop film screen (b) a landscape video (c) a phone story clip (d) a square post
  21. 21.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  22. 22.Which of these best fits 1:1? (a) an older TV screen (b) a square sticker (c) a laptop film screen (d) a classic tablet screen
  23. 23.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  24. 24.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
  25. 25.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 An image is 60 pixels wide and 210 pixels tall. How many pixels does it have in all?
  27. 27.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a sound (d) a font size
  28. 28.🟦 You shrink an 80 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  29. 29.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  30. 30.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
  31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  33. 33.🟦 You shrink a 440 × 340 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.Which of these best fits 16:9? (a) a square sticker (b) a square post (c) a landscape video (d) an album cover
  36. 36.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 A 16:9 video frame is 1760 pixels wide. How many pixels tall is it?
  38. 38.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  39. 39.🟦 You shrink a 280 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 An image is 200 pixels wide and 200 pixels tall. How many pixels does it have in all?

Answer key

  1. 29700
  2. 2400
  3. 4:3
  4. 9:16
  5. 6
  6. 80
  7. 50400
  8. 1:1
  9. 26600
  10. an older TV screen
  11. 7200
  12. 1
  13. an upright phone screen
  14. blocky (pixelated)
  15. 900
  16. an album cover
  17. a widescreen TV
  18. a widescreen slide
  19. wider than it is tall
  20. a square post
  21. 1:1
  22. a square sticker
  23. 16:9
  24. squashed or wide
  25. 16
  26. 12600
  27. a tiny dot of colour
  28. 2000
  29. 1:1
  30. 90
  31. 3600
  32. 600
  33. 37400
  34. 4
  35. a landscape video
  36. 3
  37. 990
  38. 4:3
  39. 14000
  40. 40000

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