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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 642 · 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 3-inch-wide print?
  2. 2.Which of these best fits 9:16? (a) a widescreen slide (b) a tall phone video (c) an album cover (d) a classic tablet screen
  3. 3.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
  4. 4.Which of these best fits 16:9? (a) a widescreen slide (b) a classic tablet screen (c) a phone story clip (d) a tall phone video
  5. 5.Which of these best fits 9:16? (a) a phone story clip (b) a square profile picture (c) a laptop film screen (d) a landscape video
  6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  7. 7.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  8. 8.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
  9. 9.🟦 You shrink a 40 × 800 pixel image to half its width and half its height. How many pixels does it have now?
  10. 10.Which of these best fits 16:9? (a) a classic tablet screen (b) a square post (c) a widescreen TV (d) an older TV screen
  11. 11.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  12. 12.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a font size (d) a sound
  13. 13.🟦 The resolution of an image is … (a) the font (b) the file name (c) the paper colour (d) the number of pixels
  14. 14.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  15. 15.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 An image is 920 × 690 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  18. 18.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
  19. 19.Which of these best fits 1:1? (a) a landscape video (b) a square sticker (c) a classic tablet screen (d) a widescreen TV
  20. 20.Which of these best fits 1:1? (a) a widescreen slide (b) an upright phone screen (c) a classic tablet screen (d) a square profile picture
  21. 21.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  22. 22.🟦 You shrink a 180 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 An image is 400 pixels wide and 330 pixels tall. How many pixels does it have in all?
  24. 24.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
  25. 25.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  27. 27.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  28. 28.🟦 You shrink a 760 × 620 pixel image to half its width and half its height. How many pixels does it have now?
  29. 29.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
  30. 30.Which of these best fits 4:3? (a) a classic tablet screen (b) a widescreen TV (c) a square profile picture (d) a square sticker
  31. 31.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  33. 33.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  34. 34.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  35. 35.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  37. 37.Which of these best fits 16:9? (a) a landscape video (b) a square sticker (c) a tall phone video (d) a phone story clip
  38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  39. 39.🟦 You shrink a 500 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9

Answer key

  1. 900
  2. a tall phone video
  3. squashed or wide
  4. a widescreen slide
  5. a phone story clip
  6. 600
  7. 16:9
  8. 1710
  9. 8000
  10. a widescreen TV
  11. 16:9
  12. a tiny dot of colour
  13. the number of pixels
  14. 9:16
  15. 3
  16. 7.5
  17. 4:3
  18. 300
  19. a square sticker
  20. a square profile picture
  21. 3:2
  22. 23400
  23. 132000
  24. blocky (pixelated)
  25. 1:1
  26. 1200
  27. 16:9
  28. 117800
  29. 1080
  30. a classic tablet screen
  31. 6
  32. 900
  33. 16:9
  34. 4:3
  35. 2.5
  36. 9:16
  37. a landscape video
  38. 2400
  39. 10000
  40. 1:1

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