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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 287 · 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 photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
  3. 3.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
  4. 4.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
  5. 5.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  7. 7.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
  9. 9.Which of these best fits 1:1? (a) a tall phone video (b) a square post (c) an older TV screen (d) a landscape video
  10. 10.Which of these best fits 4:3? (a) an upright phone screen (b) a phone story clip (c) an older TV screen (d) a landscape video
  11. 11.🟦 An image is 100 pixels wide and 170 pixels tall. How many pixels does it have in all?
  12. 12.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
  13. 13.🟦 You shrink a 320 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  14. 14.🟦 An image is 210 pixels wide and 210 pixels tall. How many pixels does it have in all?
  15. 15.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  16. 16.🟦 You shrink a 680 × 40 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 laptop film screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  18. 18.Which of these best fits 4:3? (a) an album cover (b) a classic tablet screen (c) an upright phone screen (d) a widescreen slide
  19. 19.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  21. 21.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
  22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  23. 23.🟦 An image is 180 pixels wide and 230 pixels tall. How many pixels does it have in all?
  24. 24.🟦 You shrink a 460 × 680 pixel image to half its width and half its height. How many pixels does it have now?
  25. 25.🟦 An image is 210 pixels wide and 60 pixels tall. How many pixels does it have in all?
  26. 26.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  27. 27.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 You shrink a 640 × 340 pixel image to half its width and half its height. How many pixels does it have now?
  29. 29.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  30. 30.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.Which of these best fits 1:1? (a) a tall phone video (b) a landscape video (c) a widescreen slide (d) a square profile picture
  32. 32.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  33. 33.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 An image is 570 × 380 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
  37. 37.Which of these best fits 4:3? (a) a landscape video (b) a square sticker (c) an old-style monitor (d) an upright phone screen
  38. 38.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
  39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  40. 40.Which of these best fits 16:9? (a) an upright phone screen (b) an album cover (c) a square sticker (d) a widescreen TV

Answer key

  1. 3
  2. a tiny dot of colour
  3. wider than it is tall
  4. 480
  5. 1:1
  6. 600
  7. 4
  8. squashed or wide
  9. a square post
  10. an older TV screen
  11. 17000
  12. blocky (pixelated)
  13. 16000
  14. 44100
  15. 16:9
  16. 6800
  17. 16:9
  18. a classic tablet screen
  19. 4:3
  20. 450
  21. 680
  22. 3300
  23. 41400
  24. 78200
  25. 12600
  26. 3:2
  27. 6
  28. 54400
  29. 4:3
  30. 10.5
  31. a square profile picture
  32. 4:3
  33. 1
  34. 2
  35. 5
  36. 3:2
  37. an old-style monitor
  38. the number of pixels
  39. 2700
  40. a widescreen TV

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