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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 409 · 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) an upright phone screen (b) an old-style monitor (c) a widescreen TV (d) an older TV screen
  2. 2.🟦 An image is 170 pixels wide and 130 pixels tall. How many pixels does it have in all?
  3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  4. 4.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  5. 5.🟦 You shrink a 140 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  6. 6.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  9. 9.🟦 An image is 390 pixels wide and 30 pixels tall. How many pixels does it have in all?
  10. 10.🟦 You shrink a 340 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  11. 11.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  12. 12.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  14. 14.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  15. 15.🟦 You shrink a 300 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen TV (c) a square profile picture (d) a landscape video
  17. 17.🟦 You shrink a 740 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  18. 18.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  19. 19.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
  20. 20.Which of these best fits 4:3? (a) an upright phone screen (b) a square post (c) a classic tablet screen (d) a tall phone video
  21. 21.🟦 You shrink a 40 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 You shrink a 560 × 620 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
  26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  27. 27.🟦 You shrink a 480 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  28. 28.Which of these best fits 1:1? (a) a phone story clip (b) a square post (c) a landscape video (d) a tall phone video
  29. 29.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
  30. 30.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
  31. 31.Which of these best fits 9:16? (a) a widescreen slide (b) a tall phone video (c) a square profile picture (d) an album cover
  32. 32.🟦 An image is 320 pixels wide and 100 pixels tall. How many pixels does it have in all?
  33. 33.🟦 You shrink a 140 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  35. 35.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  37. 37.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  38. 38.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  39. 39.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
  40. 40.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper

Answer key

  1. an upright phone screen
  2. 22100
  3. 1350
  4. 16:9
  5. 3500
  6. 10
  7. 1
  8. 1:1
  9. 11700
  10. 32300
  11. 16:9
  12. 16
  13. 4:3
  14. 1:1
  15. 21000
  16. a square profile picture
  17. 14800
  18. 16:9
  19. a tiny dot of colour
  20. a classic tablet screen
  21. 2000
  22. 86800
  23. 9
  24. 3
  25. 420
  26. 3300
  27. 52800
  28. a square post
  29. 2070
  30. 90
  31. a tall phone video
  32. 32000
  33. 19600
  34. 4:3
  35. 2.5
  36. 9:16
  37. 4:3
  38. 16:9
  39. 640
  40. blocky (pixelated)

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