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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 546 · 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.🟦 You shrink a 340 × 720 pixel image to half its width and half its height. How many pixels does it have now?
  2. 2.🟦 You shrink a 580 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
  4. 4.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  5. 5.🟦 An image is 170 pixels wide and 290 pixels tall. How many pixels does it have in all?
  6. 6.🟦 You shrink a 700 × 400 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
  8. 8.🟦 You shrink a 700 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  10. 10.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
  11. 11.🟦 An image is 110 pixels wide and 240 pixels tall. How many pixels does it have in all?
  12. 12.Which of these best fits 9:16? (a) a square profile picture (b) a square sticker (c) an upright phone screen (d) a widescreen TV
  13. 13.Which of these best fits 16:9? (a) an old-style monitor (b) a widescreen TV (c) a square post (d) an older TV screen
  14. 14.Which of these best fits 16:9? (a) a square sticker (b) a classic tablet screen (c) an older TV screen (d) a landscape video
  15. 15.🟦 A 16:9 video frame is 1760 pixels wide. How many pixels tall is it?
  16. 16.🟦 An image is 240 pixels wide and 190 pixels tall. How many pixels does it have in all?
  17. 17.🟦 An image is 370 pixels wide and 290 pixels tall. How many pixels does it have in all?
  18. 18.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
  19. 19.🟦 You shrink a 120 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  22. 22.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 You shrink a 100 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
  25. 25.🟦 An image is 160 pixels wide and 360 pixels tall. How many pixels does it have in all?
  26. 26.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
  27. 27.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  28. 28.Which of these best fits 1:1? (a) an old-style monitor (b) a classic tablet screen (c) a landscape video (d) a square sticker
  29. 29.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
  30. 30.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  31. 31.Which of these best fits 1:1? (a) a square post (b) a widescreen TV (c) an old-style monitor (d) a phone story clip
  32. 32.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  33. 33.Which of these best fits 4:3? (a) a phone story clip (b) a laptop film screen (c) an album cover (d) a classic tablet screen
  34. 34.🟦 An image is 210 pixels wide and 220 pixels tall. How many pixels does it have in all?
  35. 35.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  36. 36.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  37. 37.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.Which of these best fits 1:1? (a) a square profile picture (b) a landscape video (c) a tall phone video (d) a widescreen slide
  39. 39.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
  40. 40.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?

Answer key

  1. 61200
  2. 14500
  3. the number of pixels
  4. 1:1
  5. 49300
  6. 70000
  7. 270
  8. 7000
  9. 16:9
  10. 680
  11. 26400
  12. an upright phone screen
  13. a widescreen TV
  14. a landscape video
  15. 990
  16. 45600
  17. 107300
  18. 90
  19. 5400
  20. 15
  21. 1800
  22. 24
  23. 15000
  24. 80
  25. 57600
  26. 450
  27. 4:3
  28. a square sticker
  29. wider than it is tall
  30. 1:1
  31. a square post
  32. 1:1
  33. a classic tablet screen
  34. 46200
  35. 4:3
  36. 640
  37. 1.5
  38. a square profile picture
  39. 2080
  40. 120

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