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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 941 · 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 960 × 720 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  2. 2.🟦 You shrink a 640 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  4. 4.🟦 An image is 70 pixels wide and 240 pixels tall. How many pixels does it have in all?
  5. 5.Which of these best fits 9:16? (a) a tall phone video (b) an old-style monitor (c) a widescreen slide (d) a widescreen TV
  6. 6.🟦 An image is 130 pixels wide and 170 pixels tall. How many pixels does it have in all?
  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.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  9. 9.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
  10. 10.Which of these best fits 16:9? (a) an album cover (b) a phone story clip (c) a square profile picture (d) a widescreen slide
  11. 11.Which of these best fits 4:3? (a) an upright phone screen (b) an old-style monitor (c) a laptop film screen (d) a square post
  12. 12.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.Which of these best fits 9:16? (a) a square post (b) an album cover (c) an upright phone screen (d) a laptop film screen
  14. 14.🟦 You shrink a 660 × 500 pixel image to half its width and half its height. How many pixels does it have now?
  15. 15.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  17. 17.Which of these best fits 16:9? (a) an upright phone screen (b) a phone story clip (c) a laptop film screen (d) a tall phone video
  18. 18.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  19. 19.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  20. 20.Which of these best fits 16:9? (a) an old-style monitor (b) a phone story clip (c) an upright phone screen (d) a widescreen TV
  21. 21.🟦 An image is 140 pixels wide and 200 pixels tall. How many pixels does it have in all?
  22. 22.🟦 An image is 390 pixels wide and 340 pixels tall. How many pixels does it have in all?
  23. 23.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  24. 24.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) longer (d) louder
  25. 25.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
  26. 26.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  29. 29.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
  30. 30.🟦 An image is 370 pixels wide and 160 pixels tall. How many pixels does it have in all?
  31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  32. 32.🟦 You shrink a 140 × 540 pixel image to half its width and half its height. How many pixels does it have now?
  33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  34. 34.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 You shrink a 580 × 420 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
  37. 37.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  38. 38.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  39. 39.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  40. 40.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 4:3
  2. 6400
  3. 9:16
  4. 16800
  5. a tall phone video
  6. 22100
  7. wider than it is tall
  8. 16:9
  9. squashed or wide
  10. a widescreen slide
  11. an old-style monitor
  12. 12
  13. an upright phone screen
  14. 82500
  15. 18
  16. 2400
  17. a laptop film screen
  18. 1500
  19. 1:1
  20. a widescreen TV
  21. 28000
  22. 132600
  23. 9:16
  24. blocky (pixelated)
  25. 1920
  26. 7.5
  27. 21
  28. 600
  29. 3040
  30. 59200
  31. 900
  32. 18900
  33. 1650
  34. 12
  35. 60900
  36. a tiny dot of colour
  37. 16:9
  38. 1:1
  39. 16:9
  40. 4.5

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