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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 88 · 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 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  2. 2.🟦 You shrink a 700 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
  4. 4.Which of these best fits 4:3? (a) a classic tablet screen (b) a widescreen slide (c) a tall phone video (d) an upright phone screen
  5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  6. 6.🟦 An image is 20 pixels wide and 380 pixels tall. How many pixels does it have in all?
  7. 7.🟦 An image is 270 pixels wide and 50 pixels tall. How many pixels does it have in all?
  8. 8.Which of these best fits 16:9? (a) an old-style monitor (b) a classic tablet screen (c) a widescreen slide (d) a tall phone video
  9. 9.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  11. 11.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.Which of these best fits 16:9? (a) a classic tablet screen (b) an old-style monitor (c) a phone story clip (d) a widescreen TV
  15. 15.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  16. 16.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
  17. 17.🟦 You shrink a 440 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  18. 18.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
  19. 19.Which of these best fits 4:3? (a) an upright phone screen (b) an older TV screen (c) a widescreen slide (d) a phone story clip
  20. 20.🟦 An image is 170 pixels wide and 170 pixels tall. How many pixels does it have in all?
  21. 21.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  22. 22.Which of these best fits 4:3? (a) a square post (b) an old-style monitor (c) a widescreen slide (d) an upright phone screen
  23. 23.🟦 An image is 230 pixels wide and 40 pixels tall. How many pixels does it have in all?
  24. 24.🟦 An image is 160 pixels wide and 30 pixels tall. How many pixels does it have in all?
  25. 25.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  26. 26.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  27. 27.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
  28. 28.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  29. 29.Which of these best fits 9:16? (a) an older TV screen (b) an upright phone screen (c) a square profile picture (d) a classic tablet screen
  30. 30.Which of these best fits 9:16? (a) a classic tablet screen (b) a square profile picture (c) a tall phone video (d) a widescreen TV
  31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  32. 32.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
  33. 33.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  34. 34.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  35. 35.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  36. 36.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  37. 37.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  39. 39.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
  40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?

Answer key

  1. 1350
  2. 115500
  3. 2160
  4. a classic tablet screen
  5. 750
  6. 7600
  7. 13500
  8. a widescreen slide
  9. 8
  10. 4:3
  11. 21
  12. 18
  13. 4.5
  14. a widescreen TV
  15. 16:9
  16. 810
  17. 61600
  18. a tiny dot of colour
  19. an older TV screen
  20. 28900
  21. 1:1
  22. an old-style monitor
  23. 9200
  24. 4800
  25. 16:9
  26. 1:1
  27. the number of pixels
  28. 1:1
  29. an upright phone screen
  30. a tall phone video
  31. 900
  32. 1890
  33. 4:3
  34. 16:9
  35. 16:9
  36. 1:1
  37. 9:16
  38. 2700
  39. 200
  40. 1200

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