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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 305 · 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 640 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  2. 2.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
  4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
  5. 5.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
  6. 6.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  7. 7.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
  8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  10. 10.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
  11. 11.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) a perfect square (d) round
  13. 13.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  14. 14.Which of these best fits 1:1? (a) an album cover (b) a landscape video (c) a phone story clip (d) a classic tablet screen
  15. 15.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  16. 16.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
  17. 17.Which of these best fits 16:9? (a) an upright phone screen (b) a widescreen slide (c) an album cover (d) a phone story clip
  18. 18.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  19. 19.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  21. 21.Which of these best fits 1:1? (a) an old-style monitor (b) a square sticker (c) an older TV screen (d) an upright phone screen
  22. 22.Which of these best fits 4:3? (a) a tall phone video (b) a classic tablet screen (c) a square post (d) a widescreen slide
  23. 23.🟦 You shrink a 600 × 540 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.🟦 You shrink a 620 × 620 pixel image to half its width and half its height. How many pixels does it have now?
  25. 25.🟦 You shrink a 40 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  26. 26.Which of these best fits 4:3? (a) a widescreen TV (b) a square profile picture (c) a phone story clip (d) an old-style monitor
  27. 27.🟦 An image is 390 pixels wide and 340 pixels tall. How many pixels does it have in all?
  28. 28.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  29. 29.🟦 You shrink a 660 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 An image is 140 pixels wide and 100 pixels tall. How many pixels does it have in all?
  31. 31.🟦 You shrink a 220 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.Which of these best fits 4:3? (a) a square profile picture (b) a widescreen slide (c) a widescreen TV (d) an older TV screen
  35. 35.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
  36. 36.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
  37. 37.🟦 An image is 260 pixels wide and 330 pixels tall. How many pixels does it have in all?
  38. 38.Which of these best fits 16:9? (a) an old-style monitor (b) a phone story clip (c) a widescreen TV (d) a square profile picture
  39. 39.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 An image is 60 pixels wide and 40 pixels tall. How many pixels does it have in all?

Answer key

  1. 4:3
  2. 8
  3. 210
  4. blocky (pixelated)
  5. 60
  6. 16:9
  7. 1280
  8. 900
  9. 2400
  10. 900
  11. 20
  12. wider than it is tall
  13. 4:3
  14. an album cover
  15. 9:16
  16. 400
  17. a widescreen slide
  18. 12.5
  19. 9:16
  20. 600
  21. a square sticker
  22. a classic tablet screen
  23. 81000
  24. 96100
  25. 400
  26. an old-style monitor
  27. 132600
  28. 1:1
  29. 23100
  30. 14000
  31. 38500
  32. 2
  33. 4
  34. an older TV screen
  35. squashed or wide
  36. the number of pixels
  37. 85800
  38. a widescreen TV
  39. 9
  40. 2400

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