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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 837 · 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.🟦 You shrink a 60 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  2. 2.🟦 You shrink an 80 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  4. 4.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.🟦 An image is 80 pixels wide and 90 pixels tall. How many pixels does it have in all?
  6. 6.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  7. 7.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
  8. 8.🟦 An image is 70 pixels wide and 190 pixels tall. How many pixels does it have in all?
  9. 9.Which of these best fits 4:3? (a) a square profile picture (b) a widescreen slide (c) a landscape video (d) a classic tablet screen
  10. 10.🟦 You shrink a 760 × 400 pixel image to half its width and half its height. How many pixels does it have now?
  11. 11.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  12. 12.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  13. 13.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  14. 14.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  17. 17.Which of these best fits 16:9? (a) a square profile picture (b) a widescreen slide (c) a square sticker (d) an album cover
  18. 18.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  19. 19.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  20. 20.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  21. 21.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
  22. 22.Which of these best fits 4:3? (a) a landscape video (b) an older TV screen (c) an upright phone screen (d) a phone story clip
  23. 23.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
  24. 24.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
  25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  26. 26.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
  27. 27.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
  29. 29.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
  30. 30.Which of these best fits 9:16? (a) a laptop film screen (b) a phone story clip (c) an older TV screen (d) an album cover
  31. 31.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
  32. 32.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
  33. 33.🟦 An image is 290 pixels wide and 400 pixels tall. How many pixels does it have in all?
  34. 34.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 You shrink a 540 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  38. 38.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
  40. 40.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 9000
  2. 3200
  3. 900
  4. 6
  5. 7200
  6. 4:3
  7. wider than it is tall
  8. 13300
  9. a classic tablet screen
  10. 76000
  11. 16:9
  12. 4:3
  13. 9:16
  14. 1:1
  15. 1050
  16. 1200
  17. a widescreen slide
  18. 3:2
  19. 16:9
  20. 1:1
  21. blocky (pixelated)
  22. an older TV screen
  23. 180
  24. 2070
  25. 2700
  26. 680
  27. 3
  28. 1800
  29. squashed or wide
  30. a phone story clip
  31. 80
  32. a tiny dot of colour
  33. 116000
  34. 5
  35. 94500
  36. 1:1
  37. 1800
  38. 3.5
  39. 1600
  40. 5

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