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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 233 · 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 50 pixels wide and 370 pixels tall. How many pixels does it have in all?
  2. 2.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
  4. 4.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) louder (d) blocky (pixelated)
  6. 6.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) squashed or wide (d) more colourful
  7. 7.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
  9. 9.🟦 An image is 390 pixels wide and 220 pixels tall. How many pixels does it have in all?
  10. 10.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  11. 11.Which of these best fits 4:3? (a) an old-style monitor (b) a landscape video (c) an upright phone screen (d) a widescreen TV
  12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  13. 13.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  15. 15.Which of these best fits 4:3? (a) an older TV screen (b) a square sticker (c) a tall phone video (d) an upright phone screen
  16. 16.🟦 An image is 210 pixels wide and 280 pixels tall. How many pixels does it have in all?
  17. 17.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a sound (d) a type of paper
  18. 18.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
  19. 19.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
  20. 20.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
  21. 21.🟦 You shrink a 160 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  23. 23.🟦 An image is 370 pixels wide and 60 pixels tall. How many pixels does it have in all?
  24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  25. 25.🟦 An image is 300 pixels wide and 210 pixels tall. How many pixels does it have in all?
  26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  28. 28.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
  29. 29.🟦 You shrink a 60 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.Which of these best fits 1:1? (a) a classic tablet screen (b) an upright phone screen (c) a widescreen TV (d) a square profile picture
  31. 31.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  32. 32.🟦 You shrink an 800 × 780 pixel image to half its width and half its height. How many pixels does it have now?
  33. 33.🟦 An image is 200 × 200 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  34. 34.🟦 You shrink a 760 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  38. 38.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  39. 39.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 An image is 240 pixels wide and 30 pixels tall. How many pixels does it have in all?

Answer key

  1. 18500
  2. 17.5
  3. 80
  4. 9:16
  5. blocky (pixelated)
  6. squashed or wide
  7. 1
  8. wider than it is tall
  9. 85800
  10. 2.5
  11. an old-style monitor
  12. 3300
  13. 1:1
  14. 2100
  15. an older TV screen
  16. 58800
  17. a tiny dot of colour
  18. 1710
  19. 1620
  20. 240
  21. 11200
  22. 600
  23. 22200
  24. 1800
  25. 63000
  26. 600
  27. 450
  28. 450
  29. 4800
  30. a square profile picture
  31. 1:1
  32. 156000
  33. 1:1
  34. 53200
  35. 4:3
  36. 2400
  37. 1500
  38. 1:1
  39. 3
  40. 7200

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