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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 292 · 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 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  4. 4.Which of these best fits 4:3? (a) an older TV screen (b) a phone story clip (c) an album cover (d) a tall phone video
  5. 5.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  6. 6.Which of these best fits 9:16? (a) an older TV screen (b) a landscape video (c) an upright phone screen (d) a square sticker
  7. 7.🟦 You shrink a 220 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
  10. 10.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  11. 11.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  13. 13.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  14. 14.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
  15. 15.Which of these best fits 16:9? (a) a classic tablet screen (b) a square profile picture (c) an old-style monitor (d) a landscape video
  16. 16.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
  19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  20. 20.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  21. 21.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) squashed or wide (d) more colourful
  22. 22.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  23. 23.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.🟦 You shrink a 540 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  25. 25.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  26. 26.Which of these best fits 16:9? (a) a square sticker (b) a widescreen TV (c) a phone story clip (d) an older TV screen
  27. 27.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  28. 28.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  29. 29.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
  30. 30.Which of these best fits 4:3? (a) a square sticker (b) a phone story clip (c) a square profile picture (d) a classic tablet screen
  31. 31.Which of these best fits 16:9? (a) a widescreen slide (b) a square profile picture (c) a classic tablet screen (d) an album cover
  32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  33. 33.🟦 An image is 310 pixels wide and 40 pixels tall. How many pixels does it have in all?
  34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  35. 35.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  36. 36.🟦 An image is 170 pixels wide and 70 pixels tall. How many pixels does it have in all?
  37. 37.🟦 You shrink a 700 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 You shrink a 120 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 You shrink a 600 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 3:2
  2. 2400
  3. 450
  4. an older TV screen
  5. 16:9
  6. an upright phone screen
  7. 6600
  8. 2
  9. 1440
  10. 9:16
  11. 4:3
  12. 1200
  13. 1:1
  14. 240
  15. a landscape video
  16. 21
  17. 7.5
  18. 600
  19. 1200
  20. 4:3
  21. squashed or wide
  22. 1:1
  23. 12.5
  24. 16200
  25. 1:1
  26. a widescreen TV
  27. 16:9
  28. 1:1
  29. the number of pixels
  30. a classic tablet screen
  31. a widescreen slide
  32. 3000
  33. 12400
  34. 300
  35. 9:16
  36. 11900
  37. 112000
  38. 3600
  39. 48000
  40. 9

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