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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 283 · 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 classic tablet screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  2. 2.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  3. 3.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
  4. 4.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.🟦 You shrink a 460 × 300 pixel image to half its width and half its height. How many pixels does it have now?
  6. 6.🟦 A 16:9 video frame is 2080 pixels wide. How many pixels tall is it?
  7. 7.🟦 An image is 340 pixels wide and 290 pixels tall. How many pixels does it have in all?
  8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  9. 9.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  10. 10.🟦 You shrink a 180 × 520 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 square sticker? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  12. 12.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  13. 13.🟦 An image is 50 pixels wide and 160 pixels tall. How many pixels does it have in all?
  14. 14.Which of these best fits 9:16? (a) a widescreen slide (b) a widescreen TV (c) a tall phone video (d) a landscape video
  15. 15.🟦 You shrink an 800 × 800 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.🟦 An image is 100 pixels wide and 60 pixels tall. How many pixels does it have in all?
  17. 17.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
  18. 18.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
  19. 19.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  21. 21.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  22. 22.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
  23. 23.Which of these best fits 4:3? (a) a widescreen slide (b) a phone story clip (c) a widescreen TV (d) an old-style monitor
  24. 24.Which of these best fits 16:9? (a) an upright phone screen (b) a widescreen slide (c) a phone story clip (d) a classic tablet screen
  25. 25.🟦 You shrink a 320 × 620 pixel image to half its width and half its height. How many pixels does it have now?
  26. 26.Which of these best fits 16:9? (a) an older TV screen (b) a laptop film screen (c) a square sticker (d) a tall phone video
  27. 27.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  28. 28.Which of these best fits 16:9? (a) an old-style monitor (b) a classic tablet screen (c) a landscape video (d) a square post
  29. 29.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  30. 30.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  32. 32.🟦 An image is 160 pixels wide and 40 pixels tall. How many pixels does it have in all?
  33. 33.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
  34. 34.🟦 You shrink a 60 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  36. 36.🟦 You shrink a 700 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  37. 37.🟦 You shrink a 420 × 360 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  40. 40.🟦 You shrink a 640 × 780 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. 4:3
  2. 9:16
  3. 150
  4. 12
  5. 34500
  6. 1170
  7. 98600
  8. 3000
  9. 640
  10. 23400
  11. 1:1
  12. 4:3
  13. 8000
  14. a tall phone video
  15. 160000
  16. 6000
  17. the number of pixels
  18. squashed or wide
  19. 3:2
  20. 1800
  21. 1:1
  22. 120
  23. an old-style monitor
  24. a widescreen slide
  25. 49600
  26. a laptop film screen
  27. 1:1
  28. a landscape video
  29. 3:2
  30. 4:3
  31. 300
  32. 6400
  33. wider than it is tall
  34. 3600
  35. 16:9
  36. 101500
  37. 37800
  38. 10
  39. 4:3
  40. 124800

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