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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 920 · 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.Which of these best fits 9:16? (a) a widescreen TV (b) a widescreen slide (c) a square sticker (d) a tall phone video
  2. 2.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
  4. 4.Which of these best fits 9:16? (a) a square sticker (b) a square post (c) a phone story clip (d) a square profile picture
  5. 5.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
  6. 6.🟦 You shrink a 120 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.Which of these best fits 4:3? (a) a square profile picture (b) an older TV screen (c) a square sticker (d) a laptop film screen
  8. 8.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  9. 9.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
  10. 10.🟦 You shrink a 60 × 60 pixel image to half its width and half its height. How many pixels does it have now?
  11. 11.🟦 An image is 570 × 380 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  13. 13.🟦 You shrink a 260 × 500 pixel image to half its width and half its height. How many pixels does it have now?
  14. 14.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
  15. 15.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a font size (d) a sound
  16. 16.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
  17. 17.🟦 An image is 100 pixels wide and 30 pixels tall. How many pixels does it have in all?
  18. 18.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
  19. 19.🟦 You shrink a 480 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 An image is 20 pixels wide and 140 pixels tall. How many pixels does it have in all?
  21. 21.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  23. 23.🟦 An image is 20 pixels wide and 360 pixels tall. How many pixels does it have in all?
  24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  25. 25.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
  26. 26.🟦 An image is 360 pixels wide and 120 pixels tall. How many pixels does it have in all?
  27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  28. 28.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 You shrink a 680 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  31. 31.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  32. 32.🟦 An image is 60 pixels wide and 100 pixels tall. How many pixels does it have in all?
  33. 33.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  34. 34.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  35. 35.🟦 An image is 110 pixels wide and 320 pixels tall. How many pixels does it have in all?
  36. 36.Which of these best fits 16:9? (a) a square post (b) a laptop film screen (c) an old-style monitor (d) an upright phone screen
  37. 37.🟦 You shrink a 100 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 An image is 380 pixels wide and 370 pixels tall. How many pixels does it have in all?
  39. 39.Which of these best fits 4:3? (a) an upright phone screen (b) a widescreen TV (c) an old-style monitor (d) a laptop film screen
  40. 40.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. a tall phone video
  2. 5
  3. 240
  4. a phone story clip
  5. squashed or wide
  6. 4800
  7. an older TV screen
  8. 4:3
  9. 360
  10. 900
  11. 3:2
  12. 450
  13. 32500
  14. blocky (pixelated)
  15. a tiny dot of colour
  16. the number of pixels
  17. 3000
  18. wider than it is tall
  19. 33600
  20. 2800
  21. 1:1
  22. 1200
  23. 7200
  24. 900
  25. 2880
  26. 43200
  27. 3000
  28. 10.5
  29. 20400
  30. 600
  31. 16:9
  32. 6000
  33. 1:1
  34. 9:16
  35. 35200
  36. a laptop film screen
  37. 1000
  38. 140600
  39. an old-style monitor
  40. 5

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