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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 888 · 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 an older TV screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  2. 2.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen slide (c) a tall phone video (d) an album cover
  3. 3.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
  4. 4.🟦 You shrink a 100 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.Which of these best fits 4:3? (a) a classic tablet screen (b) a phone story clip (c) a laptop film screen (d) an upright phone screen
  6. 6.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  7. 7.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
  8. 8.🟦 You shrink a 160 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 You shrink a 320 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
  11. 11.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  14. 14.🟦 An image is 120 pixels wide and 220 pixels tall. How many pixels does it have in all?
  15. 15.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  17. 17.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  18. 18.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
  19. 19.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  21. 21.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  22. 22.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) more colourful (d) squashed or wide
  23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  24. 24.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  25. 25.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  26. 26.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a type of paper (d) a font size
  27. 27.🟦 You shrink a 40 × 800 pixel image to half its width and half its height. How many pixels does it have now?
  28. 28.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  29. 29.Which of these best fits 16:9? (a) a laptop film screen (b) a square post (c) a phone story clip (d) a square sticker
  30. 30.Which of these best fits 4:3? (a) an album cover (b) a square post (c) an old-style monitor (d) a tall phone video
  31. 31.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  32. 32.Which of these best fits 9:16? (a) a square profile picture (b) an upright phone screen (c) a widescreen TV (d) a laptop film screen
  33. 33.Which of these best fits 1:1? (a) a tall phone video (b) a landscape video (c) a classic tablet screen (d) a square sticker
  34. 34.🟦 You shrink a 240 × 360 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 You shrink a 760 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 An image is 130 pixels wide and 150 pixels tall. How many pixels does it have in all?
  37. 37.Which of these best fits 1:1? (a) a landscape video (b) an old-style monitor (c) a phone story clip (d) a square post
  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.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  40. 40.🟦 An image is 120 pixels wide and 210 pixels tall. How many pixels does it have in all?

Answer key

  1. 4:3
  2. an album cover
  3. 560
  4. 3500
  5. a classic tablet screen
  6. 1:1
  7. wider than it is tall
  8. 7200
  9. 11200
  10. blocky (pixelated)
  11. 3.5
  12. 24
  13. 3:2
  14. 26400
  15. 4.5
  16. 4:3
  17. 16:9
  18. 120
  19. 6
  20. 4:3
  21. 9
  22. squashed or wide
  23. 300
  24. 16:9
  25. 16:9
  26. a tiny dot of colour
  27. 8000
  28. 4:3
  29. a laptop film screen
  30. an old-style monitor
  31. 1:1
  32. an upright phone screen
  33. a square sticker
  34. 21600
  35. 133000
  36. 19500
  37. a square post
  38. 450
  39. 1:1
  40. 25200

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