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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 68 · 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.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
  2. 2.Which of these best fits 4:3? (a) a landscape video (b) a tall phone video (c) an album cover (d) an older TV screen
  3. 3.🟦 You shrink a 360 × 800 pixel image to half its width and half its height. How many pixels does it have now?
  4. 4.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
  5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  6. 6.🟦 An image is 400 pixels wide and 160 pixels tall. How many pixels does it have in all?
  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 9:16? (a) a square profile picture (b) an older TV screen (c) a classic tablet screen (d) a tall phone video
  9. 9.🟦 An image is 90 pixels wide and 70 pixels tall. How many pixels does it have in all?
  10. 10.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  11. 11.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
  12. 12.🟦 An image is 220 pixels wide and 210 pixels tall. How many pixels does it have in all?
  13. 13.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  14. 14.🟦 You shrink a 520 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  15. 15.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  16. 16.🟦 You shrink a 520 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  18. 18.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  19. 19.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  21. 21.Which of these best fits 16:9? (a) a widescreen slide (b) an older TV screen (c) a square profile picture (d) an old-style monitor
  22. 22.Which of these best fits 1:1? (a) a phone story clip (b) an album cover (c) a landscape video (d) a widescreen slide
  23. 23.Which of these best fits 16:9? (a) a tall phone video (b) a widescreen TV (c) a classic tablet screen (d) an upright phone screen
  24. 24.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
  25. 25.🟦 You shrink a 620 × 360 pixel image to half its width and half its height. How many pixels does it have now?
  26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  27. 27.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
  28. 28.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round
  29. 29.Which of these best fits 9:16? (a) an older TV screen (b) a classic tablet screen (c) a landscape video (d) a phone story clip
  30. 30.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  31. 31.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  32. 32.Which of these best fits 9:16? (a) a widescreen slide (b) an old-style monitor (c) a landscape video (d) an upright phone screen
  33. 33.Which of these best fits 16:9? (a) an old-style monitor (b) a phone story clip (c) a square post (d) a landscape video
  34. 34.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  35. 35.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.Which of these best fits 4:3? (a) an old-style monitor (b) a square sticker (c) a square post (d) a square profile picture
  37. 37.🟦 You shrink a 680 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
  39. 39.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  40. 40.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16

Answer key

  1. 360
  2. an older TV screen
  3. 72000
  4. a tiny dot of colour
  5. 900
  6. 64000
  7. 2100
  8. a tall phone video
  9. 6300
  10. 16:9
  11. 200
  12. 46200
  13. 9:16
  14. 75400
  15. 1:1
  16. 91000
  17. 4:3
  18. 7.5
  19. 24
  20. 1:1
  21. a widescreen slide
  22. an album cover
  23. a widescreen TV
  24. 60
  25. 55800
  26. 750
  27. blocky (pixelated)
  28. wider than it is tall
  29. a phone story clip
  30. 4:3
  31. 3:2
  32. an upright phone screen
  33. a landscape video
  34. 9:16
  35. 4
  36. an old-style monitor
  37. 47600
  38. 1080
  39. 3:2
  40. 16:9

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