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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 62 · 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.Which of these best fits 1:1? (a) a classic tablet screen (b) a square profile picture (c) a phone story clip (d) a landscape video
  2. 2.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  4. 4.🟦 You shrink a 160 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
  6. 6.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
  7. 7.Which of these best fits 16:9? (a) an upright phone screen (b) a laptop film screen (c) a square sticker (d) an older TV screen
  8. 8.🟦 You shrink a 580 × 740 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
  10. 10.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
  11. 11.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  12. 12.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
  13. 13.🟦 The resolution of an image is … (a) the font (b) the file name (c) the paper colour (d) the number of pixels
  14. 14.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
  15. 15.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  17. 17.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
  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.🟦 You shrink a 160 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.Which of these best fits 9:16? (a) a square profile picture (b) a classic tablet screen (c) a tall phone video (d) a widescreen TV
  21. 21.Which of these best fits 4:3? (a) a laptop film screen (b) a phone story clip (c) an older TV screen (d) a widescreen TV
  22. 22.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 You shrink a 200 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
  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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  27. 27.🟦 An image is 170 pixels wide and 20 pixels tall. How many pixels does it have in all?
  28. 28.🟦 You shrink a 280 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  29. 29.🟦 You shrink a 380 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  33. 33.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  34. 34.🟦 An image is 220 × 220 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  35. 35.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  36. 36.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
  37. 37.Which of these best fits 1:1? (a) an old-style monitor (b) an upright phone screen (c) a widescreen slide (d) an album cover
  38. 38.🟦 An image is 30 pixels wide and 130 pixels tall. How many pixels does it have in all?
  39. 39.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?

Answer key

  1. a square profile picture
  2. 2.5
  3. 16:9
  4. 9600
  5. blocky (pixelated)
  6. squashed or wide
  7. a laptop film screen
  8. 107300
  9. 600
  10. wider than it is tall
  11. 3:2
  12. 270
  13. the number of pixels
  14. a tiny dot of colour
  15. 16:9
  16. 900
  17. 16:9
  18. 1200
  19. 28000
  20. a tall phone video
  21. an older TV screen
  22. 12
  23. 19000
  24. 900
  25. 1500
  26. 600
  27. 3400
  28. 5600
  29. 3800
  30. 15
  31. 7.5
  32. 1:1
  33. 4:3
  34. 1:1
  35. 4:3
  36. 2240
  37. an album cover
  38. 3900
  39. 9:16
  40. 300

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