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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 131 · 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 an old-style monitor? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  2. 2.Which of these best fits 16:9? (a) a square profile picture (b) a laptop film screen (c) a phone story clip (d) an old-style monitor
  3. 3.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  4. 4.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
  5. 5.Which of these best fits 9:16? (a) a laptop film screen (b) a square sticker (c) a tall phone video (d) a classic tablet screen
  6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  7. 7.Which of these best fits 16:9? (a) a square post (b) a square profile picture (c) an older TV screen (d) a widescreen TV
  8. 8.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) taller than wide (d) a perfect square
  9. 9.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the font (d) the paper colour
  10. 10.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  12. 12.Which of these best fits 9:16? (a) a phone story clip (b) a widescreen TV (c) a square sticker (d) an older TV screen
  13. 13.Which of these best fits 16:9? (a) an older TV screen (b) a tall phone video (c) a square sticker (d) a widescreen slide
  14. 14.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  15. 15.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
  16. 16.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
  18. 18.🟦 You shrink a 120 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  19. 19.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
  20. 20.🟦 You shrink a 380 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  21. 21.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  22. 22.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  24. 24.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
  25. 25.🟦 An image is 380 pixels wide and 170 pixels tall. How many pixels does it have in all?
  26. 26.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  27. 27.🟦 An image is 300 pixels wide and 180 pixels tall. How many pixels does it have in all?
  28. 28.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 You shrink a 720 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  31. 31.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
  32. 32.Which of these best fits 4:3? (a) a square profile picture (b) an older TV screen (c) a square post (d) an album cover
  33. 33.🟦 You shrink a 580 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  36. 36.🟦 An image is 140 pixels wide and 340 pixels tall. How many pixels does it have in all?
  37. 37.🟦 An image is 330 pixels wide and 120 pixels tall. How many pixels does it have in all?
  38. 38.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  39. 39.🟦 An image is 20 pixels wide and 320 pixels tall. How many pixels does it have in all?
  40. 40.🟦 You shrink a 320 × 680 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. 4:3
  2. a laptop film screen
  3. 9:16
  4. 1120
  5. a tall phone video
  6. 300
  7. a widescreen TV
  8. wider than it is tall
  9. the number of pixels
  10. 9:16
  11. 900
  12. a phone story clip
  13. a widescreen slide
  14. 1:1
  15. squashed or wide
  16. 1.5
  17. a tiny dot of colour
  18. 2400
  19. 2160
  20. 9500
  21. 16:9
  22. 18
  23. 1:1
  24. 600
  25. 64600
  26. 16:9
  27. 54000
  28. 2.5
  29. 68400
  30. 1:1
  31. 960
  32. an older TV screen
  33. 17400
  34. 3
  35. 16:9
  36. 47600
  37. 39600
  38. 4:3
  39. 6400
  40. 54400

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