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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 352 · 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 100 pixels wide and 40 pixels tall. How many pixels does it have in all?
  2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  3. 3.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  4. 4.🟦 You shrink a 400 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
  6. 6.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  7. 7.🟦 You shrink a 600 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  10. 10.Which of these best fits 4:3? (a) an older TV screen (b) a square profile picture (c) a widescreen TV (d) a square sticker
  11. 11.Which of these best fits 9:16? (a) a landscape video (b) a square post (c) an old-style monitor (d) an upright phone screen
  12. 12.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  13. 13.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
  14. 14.🟦 An image is 250 pixels wide and 340 pixels tall. How many pixels does it have in all?
  15. 15.🟦 An image is 360 pixels wide and 140 pixels tall. How many pixels does it have in all?
  16. 16.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  17. 17.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
  18. 18.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
  19. 19.Which of these best fits 16:9? (a) a tall phone video (b) a widescreen TV (c) an old-style monitor (d) an upright phone screen
  20. 20.Which of these best fits 4:3? (a) an upright phone screen (b) a phone story clip (c) a widescreen slide (d) an old-style monitor
  21. 21.Which of these best fits 1:1? (a) an old-style monitor (b) a widescreen slide (c) a square post (d) a classic tablet screen
  22. 22.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  23. 23.🟦 You shrink a 140 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
  25. 25.🟦 A 16:9 video frame is 2160 pixels tall. How many pixels wide is it?
  26. 26.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.Which of these best fits 9:16? (a) a tall phone video (b) an old-style monitor (c) a classic tablet screen (d) a landscape video
  28. 28.🟦 A 4:3 video frame is 540 pixels tall. How many pixels wide is it?
  29. 29.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
  30. 30.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  31. 31.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  32. 32.🟦 A 4:3 video frame is 920 pixels wide. How many pixels tall is it?
  33. 33.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
  34. 34.🟦 An image is 160 pixels wide and 170 pixels tall. How many pixels does it have in all?
  35. 35.🟦 An image is 20 pixels wide and 180 pixels tall. How many pixels does it have in all?
  36. 36.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.Which of these best fits 1:1? (a) a square profile picture (b) a widescreen TV (c) an older TV screen (d) a phone story clip
  40. 40.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round

Answer key

  1. 4000
  2. 2700
  3. 16:9
  4. 20000
  5. 300
  6. 4:3
  7. 84000
  8. 3:2
  9. 2100
  10. an older TV screen
  11. an upright phone screen
  12. 1:1
  13. 660
  14. 85000
  15. 50400
  16. 4:3
  17. blocky (pixelated)
  18. 480
  19. a widescreen TV
  20. an old-style monitor
  21. a square post
  22. 1:1
  23. 6300
  24. 1620
  25. 3840
  26. 12
  27. a tall phone video
  28. 720
  29. 1120
  30. 4:3
  31. 9:16
  32. 690
  33. squashed or wide
  34. 27200
  35. 3600
  36. 2
  37. 6
  38. 1.5
  39. a square profile picture
  40. wider than it is tall

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