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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 180 · 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 of these best fits 4:3? (a) a square sticker (b) a widescreen slide (c) an upright phone screen (d) a classic tablet screen
  2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  4. 4.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
  5. 5.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
  6. 6.Which of these best fits 4:3? (a) a landscape video (b) a laptop film screen (c) a tall phone video (d) an old-style monitor
  7. 7.🟦 You shrink a 780 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  9. 9.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  10. 10.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  11. 11.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  12. 12.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
  13. 13.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  15. 15.🟦 An image is 150 pixels wide and 220 pixels tall. How many pixels does it have in all?
  16. 16.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
  17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-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.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.Which of these best fits 9:16? (a) an upright phone screen (b) a square post (c) an old-style monitor (d) an older TV screen
  21. 21.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
  22. 22.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  23. 23.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  24. 24.🟦 An image is 270 pixels wide and 160 pixels tall. How many pixels does it have in all?
  25. 25.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.Which of these best fits 16:9? (a) a square post (b) a landscape video (c) a classic tablet screen (d) an old-style monitor
  27. 27.🟦 An image is 140 pixels wide and 100 pixels tall. How many pixels does it have in all?
  28. 28.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
  29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  30. 30.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  33. 33.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  34. 34.🟦 You shrink a 480 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 An image is 210 × 140 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  36. 36.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
  37. 37.🟦 You shrink a 300 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 You shrink a 200 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  40. 40.Which of these best fits 1:1? (a) an upright phone screen (b) an older TV screen (c) a widescreen slide (d) an album cover

Answer key

  1. a classic tablet screen
  2. 600
  3. 1200
  4. a tiny dot of colour
  5. squashed or wide
  6. an old-style monitor
  7. 42900
  8. 9:16
  9. 3:2
  10. 4:3
  11. 16:9
  12. 2720
  13. 16:9
  14. 1650
  15. 33000
  16. 1440
  17. 900
  18. blocky (pixelated)
  19. 7.5
  20. an upright phone screen
  21. 320
  22. 1:1
  23. 1:1
  24. 43200
  25. 12.5
  26. a landscape video
  27. 14000
  28. 1280
  29. 1200
  30. 6
  31. 17.5
  32. 1:1
  33. 16:9
  34. 28800
  35. 3:2
  36. wider than it is tall
  37. 12000
  38. 7000
  39. 9:16
  40. an album cover

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