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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 193 · 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 440 × 330 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  2. 2.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?
  4. 4.🟦 You shrink a 600 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  6. 6.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  7. 7.Which of these best fits 16:9? (a) a classic tablet screen (b) a square profile picture (c) an album cover (d) a laptop film screen
  8. 8.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  9. 9.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  11. 11.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  12. 12.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  14. 14.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  15. 15.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  16. 16.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
  17. 17.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
  18. 18.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  19. 19.Which of these best fits 4:3? (a) a widescreen TV (b) an old-style monitor (c) an upright phone screen (d) a tall phone video
  20. 20.🟦 An image is 70 pixels wide and 380 pixels tall. How many pixels does it have in all?
  21. 21.🟦 An image is 180 pixels wide and 190 pixels tall. How many pixels does it have in all?
  22. 22.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) sharper (d) louder
  23. 23.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
  24. 24.Which of these best fits 9:16? (a) an old-style monitor (b) a widescreen slide (c) a phone story clip (d) an album cover
  25. 25.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  27. 27.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
  28. 28.Which of these best fits 9:16? (a) a widescreen slide (b) an older TV screen (c) a tall phone video (d) a square post
  29. 29.🟦 You shrink a 720 × 540 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
  31. 31.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.Which of these best fits 1:1? (a) a laptop film screen (b) a square sticker (c) a classic tablet screen (d) a phone story clip
  33. 33.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) exactly the same (d) sharper
  35. 35.🟦 You shrink a 660 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  37. 37.Which of these best fits 16:9? (a) a square profile picture (b) an upright phone screen (c) a widescreen slide (d) a classic tablet screen
  38. 38.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  39. 39.🟦 A 16:9 video frame is 1800 pixels tall. How many pixels wide is it?
  40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?

Answer key

  1. 4:3
  2. 1
  3. 720
  4. 42000
  5. 1:1
  6. 4:3
  7. a laptop film screen
  8. 16:9
  9. 9:16
  10. 450
  11. 16:9
  12. 4:3
  13. 1200
  14. 3:2
  15. 4:3
  16. 540
  17. wider than it is tall
  18. 10.5
  19. an old-style monitor
  20. 26600
  21. 34200
  22. blocky (pixelated)
  23. a tiny dot of colour
  24. a phone story clip
  25. 4:3
  26. 1350
  27. 720
  28. a tall phone video
  29. 97200
  30. the number of pixels
  31. 4
  32. a square sticker
  33. 7.5
  34. squashed or wide
  35. 108900
  36. 1500
  37. a widescreen slide
  38. 4:3
  39. 3200
  40. 1200

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