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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 433 · 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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  2. 2.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
  3. 3.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  4. 4.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  5. 5.🟦 An image is 290 pixels wide and 40 pixels tall. How many pixels does it have in all?
  6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  7. 7.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  8. 8.🟦 An image is 320 pixels wide and 200 pixels tall. How many pixels does it have in all?
  9. 9.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  10. 10.Which of these best fits 4:3? (a) a square post (b) a landscape video (c) a widescreen TV (d) a classic tablet screen
  11. 11.Which of these best fits 1:1? (a) a phone story clip (b) a laptop film screen (c) a widescreen slide (d) a square sticker
  12. 12.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  14. 14.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  16. 16.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  18. 18.Which of these best fits 4:3? (a) an old-style monitor (b) a phone story clip (c) a widescreen TV (d) a landscape video
  19. 19.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
  20. 20.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
  21. 21.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  22. 22.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  23. 23.🟦 You shrink a 400 × 740 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  25. 25.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?
  26. 26.🟦 You shrink a 340 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  27. 27.Which of these best fits 1:1? (a) a widescreen slide (b) a laptop film screen (c) a tall phone video (d) a square profile picture
  28. 28.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
  29. 29.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.🟦 You shrink a 580 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 An image is 360 × 240 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  32. 32.🟦 You shrink a 40 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  33. 33.🟦 You shrink a 520 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
  36. 36.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  37. 37.Which of these best fits 16:9? (a) a square sticker (b) an older TV screen (c) an old-style monitor (d) a laptop film screen
  38. 38.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  40. 40.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 3000
  2. blocky (pixelated)
  3. 9:16
  4. 16:9
  5. 11600
  6. 1800
  7. 1:1
  8. 64000
  9. 1:1
  10. a classic tablet screen
  11. a square sticker
  12. 15
  13. 4:3
  14. 6
  15. 3:2
  16. 4:3
  17. 1650
  18. an old-style monitor
  19. squashed or wide
  20. wider than it is tall
  21. 1:1
  22. 1:1
  23. 74000
  24. 1:1
  25. 720
  26. 59500
  27. a square profile picture
  28. 600
  29. 6
  30. 17400
  31. 3:2
  32. 1800
  33. 57200
  34. 2
  35. 810
  36. 1:1
  37. a laptop film screen
  38. 9:16
  39. 600
  40. 14

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