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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 704 · 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 9-inch-wide print?
  2. 2.🟦 An image is 370 pixels wide and 120 pixels tall. How many pixels does it have in all?
  3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  4. 4.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  5. 5.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
  6. 6.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  7. 7.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
  8. 8.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  10. 10.Which of these best fits 16:9? (a) a landscape video (b) an album cover (c) an older TV screen (d) an upright phone screen
  11. 11.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) louder (d) blocky (pixelated)
  12. 12.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
  13. 13.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
  14. 14.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  15. 15.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
  16. 16.🟦 An image is 390 pixels wide and 320 pixels tall. How many pixels does it have in all?
  17. 17.Which of these best fits 1:1? (a) a phone story clip (b) a tall phone video (c) a square post (d) an upright phone screen
  18. 18.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  19. 19.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
  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 aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  23. 23.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) a perfect square (d) taller than wide
  24. 24.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  26. 26.🟦 You shrink a 120 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  27. 27.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  28. 28.Which of these best fits 16:9? (a) a phone story clip (b) a laptop film screen (c) a classic tablet screen (d) a square post
  29. 29.🟦 You shrink a 580 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 You shrink a 720 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
  32. 32.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  33. 33.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
  34. 34.🟦 You shrink a 240 × 420 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
  36. 36.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  37. 37.🟦 You shrink a 680 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
  39. 39.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  40. 40.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2

Answer key

  1. 2700
  2. 44400
  3. 1800
  4. 16:9
  5. squashed or wide
  6. 9:16
  7. 840
  8. 5
  9. 300
  10. a landscape video
  11. blocky (pixelated)
  12. 1080
  13. 2240
  14. 9:16
  15. 2560
  16. 124800
  17. a square post
  18. 9:16
  19. a tiny dot of colour
  20. 600
  21. 16:9
  22. 1500
  23. wider than it is tall
  24. 9
  25. 450
  26. 1200
  27. 16:9
  28. a laptop film screen
  29. 87000
  30. 14400
  31. 880
  32. 16:9
  33. 810
  34. 25200
  35. the number of pixels
  36. 4:3
  37. 112200
  38. 480
  39. 1:1
  40. 16:9

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