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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 129 · 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 4:3 video frame is 330 pixels tall. How many pixels wide is it?
  2. 2.Which of these best fits 16:9? (a) a phone story clip (b) a square profile picture (c) a widescreen TV (d) a tall phone video
  3. 3.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) wider than it is tall (d) a perfect square
  4. 4.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
  6. 6.Which of these best fits 1:1? (a) an upright phone screen (b) a phone story clip (c) an album cover (d) a landscape video
  7. 7.🟦 You shrink a 540 × 680 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  10. 10.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  11. 11.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  12. 12.🟦 An image is 920 × 690 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  13. 13.🟦 An image is 270 pixels wide and 110 pixels tall. How many pixels does it have in all?
  14. 14.Which of these best fits 9:16? (a) a square profile picture (b) a phone story clip (c) a laptop film screen (d) a widescreen slide
  15. 15.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  16. 16.🟦 An image is 70 pixels wide and 230 pixels tall. How many pixels does it have in all?
  17. 17.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  18. 18.Which of these best fits 4:3? (a) an upright phone screen (b) a classic tablet screen (c) a laptop film screen (d) a landscape video
  19. 19.🟦 You shrink a 120 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
  21. 21.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  22. 22.Which of these best fits 9:16? (a) a laptop film screen (b) an upright phone screen (c) an older TV screen (d) a widescreen TV
  23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  24. 24.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) sharper (d) more colourful
  25. 25.🟦 An image is 120 pixels wide and 30 pixels tall. How many pixels does it have in all?
  26. 26.🟦 You shrink a 480 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  28. 28.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
  29. 29.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  30. 30.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.Which of these best fits 4:3? (a) a landscape video (b) a widescreen slide (c) an older TV screen (d) a widescreen TV
  32. 32.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  33. 33.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) louder (d) blocky (pixelated)
  34. 34.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
  35. 35.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  37. 37.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a sound (d) a type of paper
  38. 38.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
  39. 39.Which of these best fits 1:1? (a) a widescreen slide (b) a square post (c) a landscape video (d) an old-style monitor
  40. 40.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1

Answer key

  1. 440
  2. a widescreen TV
  3. wider than it is tall
  4. 3
  5. 510
  6. an album cover
  7. 91800
  8. 12.5
  9. 4:3
  10. 9:16
  11. 4:3
  12. 4:3
  13. 29700
  14. a phone story clip
  15. 1:1
  16. 16100
  17. 16:9
  18. a classic tablet screen
  19. 4800
  20. 480
  21. 5
  22. an upright phone screen
  23. 1050
  24. squashed or wide
  25. 3600
  26. 52800
  27. 900
  28. 1440
  29. 9:16
  30. 3
  31. an older TV screen
  32. 4:3
  33. blocky (pixelated)
  34. 680
  35. 16:9
  36. 1800
  37. a tiny dot of colour
  38. 400
  39. a square post
  40. 16:9

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