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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 72 · 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.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) longer (d) blocky (pixelated)
  2. 2.🟦 You shrink a 40 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  4. 4.🟦 An image is 380 pixels wide and 310 pixels tall. How many pixels does it have in all?
  5. 5.🟦 An image is 80 pixels wide and 380 pixels tall. How many pixels does it have in all?
  6. 6.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the file name (d) the paper colour
  7. 7.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  8. 8.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round
  10. 10.Which of these best fits 4:3? (a) a phone story clip (b) a square post (c) a laptop film screen (d) a classic tablet screen
  11. 11.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen slide (c) a tall phone video (d) an album cover
  12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  13. 13.🟦 An image is 160 × 160 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  14. 14.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
  16. 16.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  17. 17.Which of these best fits 9:16? (a) a square profile picture (b) a landscape video (c) a square sticker (d) an upright phone screen
  18. 18.Which of these best fits 4:3? (a) a laptop film screen (b) a widescreen slide (c) an old-style monitor (d) a square sticker
  19. 19.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
  20. 20.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
  21. 21.🟦 You shrink a 260 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  23. 23.🟦 An image is 130 pixels wide and 110 pixels tall. How many pixels does it have in all?
  24. 24.🟦 An image is 340 pixels wide and 230 pixels tall. How many pixels does it have in all?
  25. 25.🟦 An image is 380 pixels wide and 350 pixels tall. How many pixels does it have in all?
  26. 26.🟦 An image is 400 pixels wide and 170 pixels tall. How many pixels does it have in all?
  27. 27.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  28. 28.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 You shrink a 340 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 An image is 40 pixels wide and 330 pixels tall. How many pixels does it have in all?
  32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  33. 33.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  34. 34.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  35. 35.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
  36. 36.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  37. 37.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 You shrink a 240 × 480 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
  40. 40.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen TV (c) a square post (d) a tall phone video

Answer key

  1. blocky (pixelated)
  2. 2200
  3. 1:1
  4. 117800
  5. 30400
  6. the number of pixels
  7. 1:1
  8. 21
  9. wider than it is tall
  10. a classic tablet screen
  11. an album cover
  12. 900
  13. 1:1
  14. 6
  15. a tiny dot of colour
  16. 4:3
  17. an upright phone screen
  18. an old-style monitor
  19. 510
  20. 540
  21. 28600
  22. 9:16
  23. 14300
  24. 78200
  25. 133000
  26. 68000
  27. 4:3
  28. 14
  29. 37400
  30. 12.5
  31. 13200
  32. 600
  33. 1:1
  34. 4:3
  35. 1800
  36. 3:2
  37. 9
  38. 28800
  39. 390
  40. a square post

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