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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 660 · 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.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
  2. 2.🟦 An image is 400 pixels wide and 360 pixels tall. How many pixels does it have in all?
  3. 3.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
  4. 4.🟦 An image is 200 pixels wide and 30 pixels tall. How many pixels does it have in all?
  5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
  6. 6.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  7. 7.Which of these best fits 1:1? (a) a square profile picture (b) a landscape video (c) an older TV screen (d) a classic tablet screen
  8. 8.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
  10. 10.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  11. 11.🟦 You shrink a 260 × 360 pixel image to half its width and half its height. How many pixels does it have now?
  12. 12.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  13. 13.Which of these best fits 9:16? (a) an old-style monitor (b) an upright phone screen (c) a square sticker (d) an older TV screen
  14. 14.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 You shrink an 800 × 500 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.Which of these best fits 16:9? (a) a tall phone video (b) a widescreen slide (c) an old-style monitor (d) a classic tablet screen
  17. 17.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
  18. 18.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  19. 19.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
  20. 20.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  21. 21.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  22. 22.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  23. 23.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the file name (d) the number of pixels
  25. 25.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  27. 27.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) sharper (d) more colourful
  28. 28.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen slide (c) a tall phone video (d) a landscape video
  29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  30. 30.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 You shrink a 740 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  33. 33.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  34. 34.🟦 An image is 400 pixels wide and 310 pixels tall. How many pixels does it have in all?
  35. 35.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  36. 36.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  38. 38.🟦 An image is 240 pixels wide and 250 pixels tall. How many pixels does it have in all?
  39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  40. 40.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. a tiny dot of colour
  2. 144000
  3. 480
  4. 6000
  5. blocky (pixelated)
  6. 16:9
  7. a square profile picture
  8. 5
  9. 180
  10. 3:2
  11. 23400
  12. 4:3
  13. an upright phone screen
  14. 4
  15. 100000
  16. a widescreen slide
  17. 270
  18. 1:1
  19. wider than it is tall
  20. 9:16
  21. 4:3
  22. 9:16
  23. 7.5
  24. the number of pixels
  25. 15
  26. 1800
  27. squashed or wide
  28. a tall phone video
  29. 300
  30. 3
  31. 12.5
  32. 18500
  33. 1:1
  34. 124000
  35. 3:2
  36. 3
  37. 1050
  38. 60000
  39. 1800
  40. 14

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