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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 491 · 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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  2. 2.Which of these best fits 16:9? (a) a widescreen TV (b) a tall phone video (c) an old-style monitor (d) an older TV screen
  3. 3.Which of these best fits 16:9? (a) an older TV screen (b) a classic tablet screen (c) a phone story clip (d) a landscape video
  4. 4.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen TV (c) a square sticker (d) a phone story clip
  5. 5.🟦 You shrink a 660 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  6. 6.Which of these best fits 16:9? (a) a laptop film screen (b) a phone story clip (c) an old-style monitor (d) an older TV screen
  7. 7.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  8. 8.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 You shrink a 100 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  11. 11.Which of these best fits 9:16? (a) a square post (b) an older TV screen (c) an upright phone screen (d) a landscape video
  12. 12.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
  13. 13.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  14. 14.Which of these best fits 9:16? (a) a laptop film screen (b) an old-style monitor (c) an album cover (d) a phone story clip
  15. 15.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
  16. 16.🟦 You shrink a 120 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 An image is 390 pixels wide and 150 pixels tall. How many pixels does it have in all?
  18. 18.🟦 An image is 570 × 380 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  19. 19.Which of these best fits 4:3? (a) a square post (b) an upright phone screen (c) an old-style monitor (d) a phone story clip
  20. 20.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
  21. 21.🟦 You shrink a 200 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.Which of these best fits 16:9? (a) a classic tablet screen (b) a square post (c) a widescreen slide (d) an older TV screen
  23. 23.🟦 You shrink a 480 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  25. 25.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
  26. 26.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
  27. 27.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
  28. 28.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  29. 29.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
  30. 30.🟦 An image is 390 pixels wide and 210 pixels tall. How many pixels does it have in all?
  31. 31.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  32. 32.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  33. 33.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  34. 34.🟦 You shrink an 800 × 500 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.Which of these best fits 9:16? (a) an older TV screen (b) an old-style monitor (c) a landscape video (d) a tall phone video
  36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  37. 37.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  38. 38.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  39. 39.Which of these best fits 1:1? (a) a classic tablet screen (b) an old-style monitor (c) an album cover (d) a widescreen TV
  40. 40.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3

Answer key

  1. 3600
  2. a widescreen TV
  3. a landscape video
  4. a square sticker
  5. 39600
  6. a laptop film screen
  7. 16:9
  8. 9
  9. 8
  10. 3000
  11. an upright phone screen
  12. the number of pixels
  13. 1:1
  14. a phone story clip
  15. blocky (pixelated)
  16. 6000
  17. 58500
  18. 3:2
  19. an old-style monitor
  20. 3680
  21. 6000
  22. a widescreen slide
  23. 9600
  24. 1:1
  25. 2400
  26. 1600
  27. a tiny dot of colour
  28. 4:3
  29. 320
  30. 81900
  31. 4:3
  32. 9:16
  33. 16:9
  34. 100000
  35. a tall phone video
  36. 1050
  37. 16:9
  38. 1:1
  39. an album cover
  40. 1:1

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