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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 652 · 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 16:9? (a) a square post (b) a square sticker (c) an upright phone screen (d) a widescreen slide
  2. 2.Which of these best fits 4:3? (a) a laptop film screen (b) a widescreen slide (c) a square post (d) an older TV screen
  3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  4. 4.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  5. 5.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  6. 6.Which of these best fits 9:16? (a) a landscape video (b) an album cover (c) a square post (d) a phone story clip
  7. 7.🟦 An image is 200 pixels wide and 240 pixels tall. How many pixels does it have in all?
  8. 8.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
  9. 9.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  10. 10.🟦 An image is 30 pixels wide and 70 pixels tall. How many pixels does it have in all?
  11. 11.Which of these best fits 9:16? (a) a laptop film screen (b) an older TV screen (c) a widescreen TV (d) an upright phone screen
  12. 12.Which of these best fits 9:16? (a) an older TV screen (b) a tall phone video (c) an old-style monitor (d) a square post
  13. 13.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
  14. 14.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
  15. 15.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
  16. 16.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  17. 17.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  18. 18.🟦 An image is 170 pixels wide and 310 pixels tall. How many pixels does it have in all?
  19. 19.Which of these best fits 16:9? (a) a landscape video (b) a tall phone video (c) a classic tablet screen (d) a square profile picture
  20. 20.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  21. 21.Which of these best fits 16:9? (a) an old-style monitor (b) a square post (c) a phone story clip (d) a laptop film screen
  22. 22.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
  23. 23.🟦 An image is 90 pixels wide and 360 pixels tall. How many pixels does it have in all?
  24. 24.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  25. 25.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
  26. 26.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
  27. 27.Which of these best fits 1:1? (a) a phone story clip (b) a square profile picture (c) a classic tablet screen (d) a widescreen TV
  28. 28.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  29. 29.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  30. 30.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 You shrink a 740 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
  33. 33.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
  34. 34.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
  35. 35.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  38. 38.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
  39. 39.🟦 You shrink a 600 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16

Answer key

  1. a widescreen slide
  2. an older TV screen
  3. 3600
  4. 1:1
  5. 3
  6. a phone story clip
  7. 48000
  8. a tiny dot of colour
  9. 1:1
  10. 2100
  11. an upright phone screen
  12. a tall phone video
  13. 630
  14. 900
  15. 480
  16. 9:16
  17. 16:9
  18. 52700
  19. a landscape video
  20. 16:9
  21. a laptop film screen
  22. 2400
  23. 32400
  24. 9:16
  25. 630
  26. blocky (pixelated)
  27. a square profile picture
  28. 4:3
  29. 1:1
  30. 12.5
  31. 7400
  32. 1530
  33. 720
  34. the number of pixels
  35. 24
  36. 8
  37. 750
  38. 180
  39. 12000
  40. 1:1

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