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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 383 · 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.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
  2. 2.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
  3. 3.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  4. 4.🟦 You shrink a 640 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  6. 6.🟦 You shrink a 300 × 300 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
  8. 8.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  9. 9.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  10. 10.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  11. 11.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 You shrink a 300 × 620 pixel image to half its width and half its height. How many pixels does it have now?
  13. 13.Which of these best fits 4:3? (a) a landscape video (b) a square sticker (c) a phone story clip (d) an old-style monitor
  14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  15. 15.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
  16. 16.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  17. 17.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  18. 18.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
  19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  20. 20.Which of these best fits 16:9? (a) a classic tablet screen (b) a square post (c) a landscape video (d) a phone story clip
  21. 21.🟦 An image is 240 pixels wide and 290 pixels tall. How many pixels does it have in all?
  22. 22.Which of these best fits 9:16? (a) a landscape video (b) an older TV screen (c) an upright phone screen (d) a laptop film screen
  23. 23.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
  24. 24.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  25. 25.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  26. 26.Which of these best fits 9:16? (a) a square profile picture (b) a square post (c) an old-style monitor (d) a tall phone video
  27. 27.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  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 photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
  31. 31.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  32. 32.Which of these best fits 9:16? (a) a widescreen slide (b) a square sticker (c) an old-style monitor (d) a phone story clip
  33. 33.🟦 You shrink a 420 × 620 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  36. 36.🟦 You shrink a 700 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  37. 37.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  38. 38.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
  39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  40. 40.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1

Answer key

  1. blocky (pixelated)
  2. 1620
  3. 3:2
  4. 92800
  5. 1:1
  6. 22500
  7. squashed or wide
  8. 16:9
  9. 1:1
  10. 4:3
  11. 24
  12. 46500
  13. an old-style monitor
  14. 300
  15. 330
  16. 9:16
  17. 16:9
  18. a tiny dot of colour
  19. 3000
  20. a landscape video
  21. 69600
  22. an upright phone screen
  23. 810
  24. 16:9
  25. 4:3
  26. a tall phone video
  27. 1:1
  28. 600
  29. 2
  30. wider than it is tall
  31. 16:9
  32. a phone story clip
  33. 65100
  34. 15
  35. 600
  36. 91000
  37. 4:3
  38. the number of pixels
  39. 1350
  40. 16:9

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