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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 468 · 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 180 pixels wide and 240 pixels tall. How many pixels does it have in all?
  2. 2.🟦 You shrink a 240 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  4. 4.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  5. 5.🟦 You shrink a 60 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  6. 6.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?
  7. 7.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
  8. 8.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
  9. 9.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  10. 10.🟦 You shrink a 300 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  11. 11.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
  12. 12.🟦 An image is 220 pixels wide and 270 pixels tall. How many pixels does it have in all?
  13. 13.Which of these best fits 9:16? (a) an old-style monitor (b) a phone story clip (c) an older TV screen (d) a widescreen TV
  14. 14.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  15. 15.🟦 You shrink a 160 × 480 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  17. 17.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen slide (c) a phone story clip (d) a square sticker
  18. 18.Which of these best fits 4:3? (a) an older TV screen (b) a landscape video (c) a square post (d) a widescreen TV
  19. 19.🟦 An image is 360 pixels wide and 40 pixels tall. How many pixels does it have in all?
  20. 20.🟦 An image is 150 pixels wide and 330 pixels tall. How many pixels does it have in all?
  21. 21.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
  22. 22.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
  23. 23.Which of these best fits 16:9? (a) an old-style monitor (b) a landscape video (c) a square post (d) a square sticker
  24. 24.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
  25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  26. 26.🟦 An image is 150 pixels wide and 270 pixels tall. How many pixels does it have in all?
  27. 27.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  28. 28.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  30. 30.Which of these best fits 4:3? (a) a phone story clip (b) an old-style monitor (c) a square sticker (d) a laptop film screen
  31. 31.🟦 An image is 180 pixels wide and 50 pixels tall. How many pixels does it have in all?
  32. 32.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
  33. 33.🟦 An image is 350 pixels wide and 260 pixels tall. How many pixels does it have in all?
  34. 34.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
  35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  36. 36.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 You shrink a 540 × 60 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  40. 40.Which of these best fits 16:9? (a) an older TV screen (b) a laptop film screen (c) an old-style monitor (d) a classic tablet screen

Answer key

  1. 43200
  2. 34800
  3. 3300
  4. 9:16
  5. 1200
  6. 280
  7. wider than it is tall
  8. a tiny dot of colour
  9. 1:1
  10. 28500
  11. squashed or wide
  12. 59400
  13. a phone story clip
  14. 1:1
  15. 19200
  16. 900
  17. a square sticker
  18. an older TV screen
  19. 14400
  20. 49500
  21. 540
  22. 630
  23. a landscape video
  24. blocky (pixelated)
  25. 600
  26. 40500
  27. 1:1
  28. 12
  29. 4:3
  30. an old-style monitor
  31. 9000
  32. 680
  33. 91000
  34. 210
  35. 1350
  36. 2.5
  37. 6
  38. 8100
  39. 16:9
  40. a laptop film screen

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