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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 763 · 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) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  2. 2.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
  3. 3.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  4. 4.🟦 You shrink a 240 × 760 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 widescreen TV? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  6. 6.🟦 You shrink an 800 × 60 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen TV (c) a phone story clip (d) a square post
  8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  9. 9.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
  10. 10.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  11. 11.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
  12. 12.Which of these best fits 9:16? (a) an upright phone screen (b) a classic tablet screen (c) an older TV screen (d) an old-style monitor
  13. 13.🟦 You shrink a 580 × 720 pixel image to half its width and half its height. How many pixels does it have now?
  14. 14.Which of these best fits 1:1? (a) a classic tablet screen (b) an older TV screen (c) an album cover (d) a laptop film screen
  15. 15.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 You shrink a 160 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  18. 18.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
  19. 19.Which of these best fits 9:16? (a) a phone story clip (b) a square profile picture (c) an old-style monitor (d) a widescreen slide
  20. 20.Which of these best fits 4:3? (a) a widescreen slide (b) a phone story clip (c) a landscape video (d) an old-style monitor
  21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  22. 22.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
  24. 24.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
  25. 25.Which of these best fits 16:9? (a) an upright phone screen (b) a widescreen slide (c) a tall phone video (d) an older TV screen
  26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  27. 27.Which of these best fits 4:3? (a) a laptop film screen (b) a landscape video (c) a phone story clip (d) an older TV screen
  28. 28.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
  29. 29.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  30. 30.🟦 You shrink a 200 × 540 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  32. 32.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  33. 33.Which of these best fits 1:1? (a) a square sticker (b) a widescreen TV (c) an old-style monitor (d) a tall phone video
  34. 34.🟦 You shrink a 640 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  36. 36.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  37. 37.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.Which of these best fits 16:9? (a) an upright phone screen (b) a landscape video (c) a classic tablet screen (d) an album cover
  39. 39.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  40. 40.🟦 You shrink an 800 × 380 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. 9:16
  2. squashed or wide
  3. 16:9
  4. 45600
  5. 16:9
  6. 12000
  7. a widescreen TV
  8. 600
  9. 450
  10. 1:1
  11. a tiny dot of colour
  12. an upright phone screen
  13. 104400
  14. an album cover
  15. 6
  16. 9600
  17. 1500
  18. blocky (pixelated)
  19. a phone story clip
  20. an old-style monitor
  21. 1200
  22. 3
  23. 360
  24. wider than it is tall
  25. a widescreen slide
  26. 900
  27. an older TV screen
  28. 1800
  29. 3:2
  30. 27000
  31. 16:9
  32. 1:1
  33. a square sticker
  34. 19200
  35. 9:16
  36. 1:1
  37. 1.5
  38. a landscape video
  39. 16:9
  40. 76000

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