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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 905 · 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 of these best fits 4:3? (a) a laptop film screen (b) an old-style monitor (c) a square post (d) an album cover
  2. 2.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
  3. 3.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a font size (d) a sound
  4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  5. 5.Which of these best fits 1:1? (a) a square sticker (b) an old-style monitor (c) a laptop film screen (d) a widescreen TV
  6. 6.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  8. 8.Which of these best fits 16:9? (a) an upright phone screen (b) a square profile picture (c) a square sticker (d) a widescreen slide
  9. 9.🟦 An image is 220 pixels wide and 90 pixels tall. How many pixels does it have in all?
  10. 10.🟦 An image is 160 pixels wide and 90 pixels tall. How many pixels does it have in all?
  11. 11.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  12. 12.🟦 You shrink a 540 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  13. 13.Which of these best fits 4:3? (a) a square profile picture (b) an upright phone screen (c) a phone story clip (d) an older TV screen
  14. 14.🟦 An image is 300 pixels wide and 240 pixels tall. How many pixels does it have in all?
  15. 15.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  16. 16.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  17. 17.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  18. 18.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  20. 20.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
  22. 22.🟦 You shrink a 560 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 An image is 300 × 200 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  24. 24.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  25. 25.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  26. 26.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) longer (d) blocky (pixelated)
  27. 27.Which of these best fits 1:1? (a) a widescreen TV (b) a square profile picture (c) an old-style monitor (d) a phone story clip
  28. 28.🟦 An image is 90 pixels wide and 70 pixels tall. How many pixels does it have in all?
  29. 29.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  30. 30.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
  31. 31.🟦 An image is 310 pixels wide and 180 pixels tall. How many pixels does it have in all?
  32. 32.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  33. 33.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
  34. 34.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  35. 35.🟦 An image is 220 pixels wide and 50 pixels tall. How many pixels does it have in all?
  36. 36.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  37. 37.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  38. 38.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 You shrink a 580 × 120 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. an old-style monitor
  2. 4:3
  3. a tiny dot of colour
  4. 1500
  5. a square sticker
  6. 3
  7. 9:16
  8. a widescreen slide
  9. 19800
  10. 14400
  11. 1:1
  12. 81000
  13. an older TV screen
  14. 72000
  15. 16:9
  16. 3:2
  17. 3:2
  18. 1:1
  19. 900
  20. 3.5
  21. 270
  22. 81200
  23. 3:2
  24. 1:1
  25. 4:3
  26. blocky (pixelated)
  27. a square profile picture
  28. 6300
  29. 4:3
  30. 1760
  31. 55800
  32. 4:3
  33. wider than it is tall
  34. 9:16
  35. 11000
  36. 1:1
  37. 9:16
  38. 7
  39. 14
  40. 17400

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