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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 125 · 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 aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  2. 2.Which of these best fits 9:16? (a) an upright phone screen (b) a widescreen TV (c) an old-style monitor (d) a landscape video
  3. 3.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  4. 4.🟦 An image is 240 pixels wide and 290 pixels tall. How many pixels does it have in all?
  5. 5.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  6. 6.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.Which of these best fits 1:1? (a) an old-style monitor (b) a laptop film screen (c) a phone story clip (d) a square profile picture
  8. 8.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  10. 10.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
  11. 11.🟦 You shrink a 40 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  12. 12.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  13. 13.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
  14. 14.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 An image is 250 pixels wide and 110 pixels tall. How many pixels does it have in all?
  16. 16.🟦 An image is 400 pixels wide and 350 pixels tall. How many pixels does it have in all?
  17. 17.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  19. 19.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
  20. 20.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  21. 21.🟦 An image is 240 pixels wide and 150 pixels tall. How many pixels does it have in all?
  22. 22.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) louder (d) blocky (pixelated)
  23. 23.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
  24. 24.🟦 You shrink a 620 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  25. 25.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 An image is 370 pixels wide and 230 pixels tall. How many pixels does it have in all?
  27. 27.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.Which of these best fits 4:3? (a) a landscape video (b) a classic tablet screen (c) a square sticker (d) a phone story clip
  29. 29.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  30. 30.Which of these best fits 4:3? (a) a square post (b) a laptop film screen (c) an older TV screen (d) a widescreen slide
  31. 31.🟦 An image is 20 pixels wide and 40 pixels tall. How many pixels does it have in all?
  32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  34. 34.🟦 An image is 70 pixels wide and 110 pixels tall. How many pixels does it have in all?
  35. 35.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen TV (c) a tall phone video (d) an album cover
  36. 36.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
  37. 37.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 An image is 150 pixels wide and 330 pixels tall. How many pixels does it have in all?
  39. 39.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  40. 40.🟦 You shrink a 140 × 500 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. 9:16
  2. an upright phone screen
  3. 1:1
  4. 69600
  5. 16:9
  6. 8
  7. a square profile picture
  8. 16:9
  9. 2700
  10. 2880
  11. 6600
  12. 1:1
  13. squashed or wide
  14. 6
  15. 27500
  16. 140000
  17. 16:9
  18. 3000
  19. 60
  20. 9:16
  21. 36000
  22. blocky (pixelated)
  23. a tiny dot of colour
  24. 15500
  25. 15
  26. 85100
  27. 3
  28. a classic tablet screen
  29. 4:3
  30. an older TV screen
  31. 800
  32. 2100
  33. 600
  34. 7700
  35. a tall phone video
  36. wider than it is tall
  37. 6
  38. 49500
  39. 16:9
  40. 17500

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