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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 715 · 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 290 pixels wide and 200 pixels tall. How many pixels does it have in all?
  2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  3. 3.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  4. 4.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  5. 5.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
  6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  7. 7.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  8. 8.Which of these best fits 1:1? (a) a widescreen TV (b) a square profile picture (c) an old-style monitor (d) a laptop film screen
  9. 9.🟦 An image is 50 pixels wide and 110 pixels tall. How many pixels does it have in all?
  10. 10.Which of these best fits 9:16? (a) a laptop film screen (b) an upright phone screen (c) a widescreen slide (d) a landscape video
  11. 11.🟦 An image is 70 pixels wide and 250 pixels tall. How many pixels does it have in all?
  12. 12.🟦 An image is 440 × 330 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  13. 13.🟦 An image is 140 pixels wide and 320 pixels tall. How many pixels does it have in all?
  14. 14.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  15. 15.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
  16. 16.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  17. 17.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
  18. 18.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  19. 19.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
  20. 20.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
  21. 21.🟦 An image is 390 pixels wide and 250 pixels tall. How many pixels does it have in all?
  22. 22.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  23. 23.Which of these best fits 4:3? (a) an album cover (b) a phone story clip (c) an old-style monitor (d) a tall phone video
  24. 24.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
  25. 25.🟦 An image is 270 pixels wide and 130 pixels tall. How many pixels does it have in all?
  26. 26.🟦 You shrink a 400 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  28. 28.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  29. 29.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  30. 30.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  31. 31.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
  32. 32.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
  33. 33.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  36. 36.Which of these best fits 16:9? (a) a widescreen slide (b) a square profile picture (c) a phone story clip (d) an older TV screen
  37. 37.Which of these best fits 9:16? (a) a classic tablet screen (b) an album cover (c) a landscape video (d) a tall phone video
  38. 38.🟦 You shrink a 240 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.Which of these best fits 16:9? (a) a tall phone video (b) a square profile picture (c) a widescreen TV (d) a classic tablet screen
  40. 40.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?

Answer key

  1. 58000
  2. 1800
  3. 4:3
  4. 1:1
  5. a tiny dot of colour
  6. 2700
  7. 2100
  8. a square profile picture
  9. 5500
  10. an upright phone screen
  11. 17500
  12. 4:3
  13. 44800
  14. 1:1
  15. wider than it is tall
  16. 16:9
  17. 400
  18. 9:16
  19. squashed or wide
  20. 800
  21. 97500
  22. 1:1
  23. an old-style monitor
  24. 1440
  25. 35100
  26. 20000
  27. 3600
  28. 1:1
  29. 9:16
  30. 16:9
  31. 480
  32. blocky (pixelated)
  33. 9:16
  34. 900
  35. 300
  36. a widescreen slide
  37. a tall phone video
  38. 2400
  39. a widescreen TV
  40. 180

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