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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 552 · 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.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size
  2. 2.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
  3. 3.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  4. 4.Which of these best fits 1:1? (a) a landscape video (b) an old-style monitor (c) a classic tablet screen (d) a square profile picture
  5. 5.🟦 An image is 160 pixels wide and 200 pixels tall. How many pixels does it have in all?
  6. 6.🟦 You shrink a 480 × 260 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
  8. 8.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) blocky (pixelated) (d) louder
  10. 10.Which of these best fits 1:1? (a) a tall phone video (b) an old-style monitor (c) a landscape video (d) a square sticker
  11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  12. 12.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  13. 13.🟦 You shrink a 260 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  14. 14.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  15. 15.Which of these best fits 16:9? (a) an older TV screen (b) a tall phone video (c) a square post (d) a widescreen TV
  16. 16.🟦 An image is 240 pixels wide and 340 pixels tall. How many pixels does it have in all?
  17. 17.🟦 An image is 360 pixels wide and 40 pixels tall. How many pixels does it have in all?
  18. 18.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  19. 19.Which of these best fits 1:1? (a) a square post (b) a phone story clip (c) a tall phone video (d) an upright phone screen
  20. 20.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  21. 21.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  22. 22.🟦 An image is 190 pixels wide and 130 pixels tall. How many pixels does it have in all?
  23. 23.Which of these best fits 9:16? (a) an older TV screen (b) a square post (c) an upright phone screen (d) a landscape video
  24. 24.Which of these best fits 16:9? (a) a phone story clip (b) a laptop film screen (c) an upright phone screen (d) an old-style monitor
  25. 25.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 You shrink a 340 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  27. 27.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
  28. 28.🟦 An image is 220 pixels wide and 320 pixels tall. How many pixels does it have in all?
  29. 29.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  31. 31.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
  32. 32.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
  33. 33.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
  34. 34.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  35. 35.🟦 An image is 180 pixels wide and 110 pixels tall. How many pixels does it have in all?
  36. 36.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  37. 37.🟦 You shrink a 480 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.Which of these best fits 4:3? (a) a laptop film screen (b) an old-style monitor (c) a widescreen TV (d) a square sticker
  40. 40.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1

Answer key

  1. a tiny dot of colour
  2. 800
  3. 1:1
  4. a square profile picture
  5. 32000
  6. 31200
  7. 2880
  8. 16
  9. blocky (pixelated)
  10. a square sticker
  11. 3300
  12. 16:9
  13. 41600
  14. 16:9
  15. a widescreen TV
  16. 81600
  17. 14400
  18. 4.5
  19. a square post
  20. 16:9
  21. 16:9
  22. 24700
  23. an upright phone screen
  24. a laptop film screen
  25. 3
  26. 37400
  27. 360
  28. 70400
  29. 2
  30. 4:3
  31. 3680
  32. 840
  33. wider than it is tall
  34. 4:3
  35. 19800
  36. 9:16
  37. 28800
  38. 8
  39. an old-style monitor
  40. 1:1

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