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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 266 · 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 aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  2. 2.Which of these best fits 16:9? (a) a tall phone video (b) an upright phone screen (c) a square post (d) a widescreen TV
  3. 3.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  4. 4.🟦 An image is 400 pixels wide and 240 pixels tall. How many pixels does it have in all?
  5. 5.🟦 An image is 400 pixels wide and 270 pixels tall. How many pixels does it have in all?
  6. 6.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  8. 8.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
  9. 9.Which of these best fits 16:9? (a) a classic tablet screen (b) a square post (c) a landscape video (d) a tall phone video
  10. 10.🟦 An image is 330 pixels wide and 230 pixels tall. How many pixels does it have in all?
  11. 11.Which of these best fits 1:1? (a) a classic tablet screen (b) an upright phone screen (c) a square sticker (d) a laptop film screen
  12. 12.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  15. 15.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
  16. 16.🟦 An image is 190 pixels wide and 200 pixels tall. How many pixels does it have in all?
  17. 17.Which of these best fits 4:3? (a) a phone story clip (b) a widescreen slide (c) a classic tablet screen (d) a landscape video
  18. 18.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  19. 19.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
  20. 20.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  21. 21.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  22. 22.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.Which of these best fits 9:16? (a) an album cover (b) a tall phone video (c) a landscape video (d) a widescreen TV
  24. 24.🟦 You shrink a 140 × 500 pixel image to half its width and half its height. How many pixels does it have now?
  25. 25.🟦 You shrink a 500 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  27. 27.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  28. 28.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
  29. 29.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  30. 30.🟦 You shrink a 340 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
  32. 32.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
  33. 33.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  34. 34.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  35. 35.🟦 You shrink a 360 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  39. 39.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 A 4:3 video frame is 360 pixels wide. How many pixels tall is it?

Answer key

  1. 9:16
  2. a widescreen TV
  3. 4:3
  4. 96000
  5. 108000
  6. 10
  7. 3:2
  8. blocky (pixelated)
  9. a landscape video
  10. 75900
  11. a square sticker
  12. 2
  13. 8
  14. 4:3
  15. the number of pixels
  16. 38000
  17. a classic tablet screen
  18. 2
  19. wider than it is tall
  20. 16:9
  21. 9:16
  22. 3.5
  23. a tall phone video
  24. 17500
  25. 25000
  26. 1800
  27. 16:9
  28. a tiny dot of colour
  29. 1:1
  30. 18700
  31. squashed or wide
  32. 1620
  33. 1:1
  34. 3:2
  35. 57600
  36. 5
  37. 4.5
  38. 600
  39. 1
  40. 270

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