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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 637 · 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 type of paper (c) a sound (d) a font size
  2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  3. 3.Which of these best fits 9:16? (a) a square profile picture (b) a tall phone video (c) a square sticker (d) a landscape video
  4. 4.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) wider than it is tall (d) round
  5. 5.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  6. 6.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  7. 7.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  8. 8.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  9. 9.🟦 You shrink a 780 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  10. 10.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
  11. 11.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  13. 13.Which of these best fits 16:9? (a) a widescreen slide (b) a square profile picture (c) a phone story clip (d) a tall phone video
  14. 14.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
  15. 15.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  16. 16.🟦 An image is 220 pixels wide and 280 pixels tall. How many pixels does it have in all?
  17. 17.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
  18. 18.🟦 An image is 80 pixels wide and 20 pixels tall. How many pixels does it have in all?
  19. 19.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  21. 21.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  22. 22.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  24. 24.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
  25. 25.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
  26. 26.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  29. 29.🟦 An image is 30 pixels wide and 170 pixels tall. How many pixels does it have in all?
  30. 30.Which of these best fits 9:16? (a) a widescreen TV (b) an older TV screen (c) a phone story clip (d) a widescreen slide
  31. 31.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  33. 33.🟦 An image is 300 pixels wide and 270 pixels tall. How many pixels does it have in all?
  34. 34.🟦 An image is 330 pixels wide and 230 pixels tall. How many pixels does it have in all?
  35. 35.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
  36. 36.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
  38. 38.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  40. 40.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?

Answer key

  1. a tiny dot of colour
  2. 1800
  3. a tall phone video
  4. wider than it is tall
  5. 4:3
  6. 1:1
  7. 9:16
  8. 4:3
  9. 117000
  10. 180
  11. 4:3
  12. 300
  13. a widescreen slide
  14. blocky (pixelated)
  15. 4:3
  16. 61600
  17. the number of pixels
  18. 1600
  19. 7.5
  20. 4:3
  21. 16
  22. 14
  23. 1:1
  24. 60
  25. 680
  26. 6
  27. 17.5
  28. 2400
  29. 5100
  30. a phone story clip
  31. 1.5
  32. 16:9
  33. 81000
  34. 75900
  35. 320
  36. 2
  37. 900
  38. 10
  39. 1050
  40. 240

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