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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 504 · 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.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
  2. 2.🟦 An image is 40 pixels wide and 190 pixels tall. How many pixels does it have in all?
  3. 3.🟦 You shrink a 720 × 420 pixel image to half its width and half its height. How many pixels does it have now?
  4. 4.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.🟦 An image is 130 pixels wide and 60 pixels tall. How many pixels does it have in all?
  6. 6.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
  7. 7.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  9. 9.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
  10. 10.🟦 An image is 350 pixels wide and 280 pixels tall. How many pixels does it have in all?
  11. 11.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  12. 12.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) sharper (d) longer
  13. 13.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
  14. 14.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  15. 15.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  18. 18.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  19. 19.Which of these best fits 1:1? (a) a classic tablet screen (b) a tall phone video (c) a laptop film screen (d) a square sticker
  20. 20.🟦 You shrink a 480 × 260 pixel image to half its width and half its height. How many pixels does it have now?
  21. 21.Which of these best fits 16:9? (a) a square post (b) a classic tablet screen (c) a widescreen slide (d) a square sticker
  22. 22.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  24. 24.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  26. 26.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) wider than it is tall (d) taller than wide
  27. 27.Which of these best fits 16:9? (a) a square sticker (b) a tall phone video (c) a widescreen TV (d) an upright phone screen
  28. 28.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  29. 29.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
  30. 30.🟦 You shrink a 320 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 An image is 220 pixels wide and 80 pixels tall. How many pixels does it have in all?
  32. 32.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  34. 34.🟦 An image is 110 pixels wide and 60 pixels tall. How many pixels does it have in all?
  35. 35.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  37. 37.🟦 You shrink a 260 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
  39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  40. 40.🟦 An image is 920 × 690 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3

Answer key

  1. squashed or wide
  2. 7600
  3. 75600
  4. 18
  5. 7800
  6. 3040
  7. 9
  8. 2400
  9. a tiny dot of colour
  10. 98000
  11. 3:2
  12. blocky (pixelated)
  13. 360
  14. 4:3
  15. 12
  16. 15
  17. 4:3
  18. 1200
  19. a square sticker
  20. 31200
  21. a widescreen slide
  22. 1:1
  23. 1800
  24. 9:16
  25. 1500
  26. wider than it is tall
  27. a widescreen TV
  28. 16:9
  29. the number of pixels
  30. 56000
  31. 17600
  32. 2
  33. 4:3
  34. 6600
  35. 12
  36. 4:3
  37. 28600
  38. 1620
  39. 600
  40. 4:3

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