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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 419 · 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 400 pixels wide and 320 pixels tall. How many pixels does it have in all?
  2. 2.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
  3. 3.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
  4. 4.Which of these best fits 16:9? (a) a classic tablet screen (b) an upright phone screen (c) a square sticker (d) a widescreen slide
  5. 5.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  6. 6.🟦 An image is 250 pixels wide and 160 pixels tall. How many pixels does it have in all?
  7. 7.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
  8. 8.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  9. 9.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  10. 10.Which of these best fits 9:16? (a) a square profile picture (b) a classic tablet screen (c) a phone story clip (d) an older TV screen
  11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  12. 12.🟦 An image is 100 pixels wide and 280 pixels tall. How many pixels does it have in all?
  13. 13.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 You shrink a 560 × 540 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  18. 18.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  20. 20.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
  21. 21.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  22. 22.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) longer (d) blocky (pixelated)
  23. 23.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  24. 24.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.Which of these best fits 1:1? (a) a classic tablet screen (b) an upright phone screen (c) a square profile picture (d) a widescreen TV
  26. 26.🟦 An image is 100 pixels wide and 110 pixels tall. How many pixels does it have in all?
  27. 27.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
  28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  29. 29.🟦 An image is 180 pixels wide and 330 pixels tall. How many pixels does it have in all?
  30. 30.Which of these best fits 9:16? (a) a classic tablet screen (b) a widescreen slide (c) a laptop film screen (d) a tall phone video
  31. 31.🟦 A 4:3 video frame is 920 pixels wide. How many pixels tall is it?
  32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  33. 33.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  34. 34.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  35. 35.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  37. 37.Which of these best fits 4:3? (a) a square sticker (b) an album cover (c) a widescreen TV (d) a classic tablet screen
  38. 38.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
  39. 39.Which of these best fits 9:16? (a) an older TV screen (b) a widescreen TV (c) an upright phone screen (d) an old-style monitor
  40. 40.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 128000
  2. 960
  3. a tiny dot of colour
  4. a widescreen slide
  5. 1:1
  6. 40000
  7. wider than it is tall
  8. 4:3
  9. 16:9
  10. a phone story clip
  11. 3600
  12. 28000
  13. 3
  14. 5
  15. 18
  16. 75600
  17. 16:9
  18. 16:9
  19. 750
  20. 1440
  21. 4:3
  22. blocky (pixelated)
  23. 1:1
  24. 12.5
  25. a square profile picture
  26. 11000
  27. 660
  28. 3000
  29. 59400
  30. a tall phone video
  31. 690
  32. 1050
  33. 3:2
  34. 1:1
  35. 4:3
  36. 450
  37. a classic tablet screen
  38. 390
  39. an upright phone screen
  40. 4

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