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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 833 · 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 1:1? (a) a widescreen TV (b) a phone story clip (c) a landscape video (d) a square sticker
  2. 2.🟦 An image is 320 pixels wide and 230 pixels tall. How many pixels does it have in all?
  3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  5. 5.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
  6. 6.🟦 You shrink a 140 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.Which of these best fits 1:1? (a) a phone story clip (b) a widescreen slide (c) a square post (d) a laptop film screen
  9. 9.🟦 An image is 110 pixels wide and 170 pixels tall. How many pixels does it have in all?
  10. 10.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  11. 11.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) sharper (d) more colourful
  12. 12.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  13. 13.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
  14. 14.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  15. 15.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  16. 16.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 An image is 140 pixels wide and 390 pixels tall. How many pixels does it have in all?
  18. 18.🟦 An image is 90 pixels wide and 130 pixels tall. How many pixels does it have in all?
  19. 19.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  20. 20.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) taller than wide (d) round
  21. 21.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  22. 22.🟦 An image is 100 pixels wide and 380 pixels tall. How many pixels does it have in all?
  23. 23.🟦 You shrink a 680 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.Which of these best fits 16:9? (a) a classic tablet screen (b) an upright phone screen (c) a laptop film screen (d) a square post
  25. 25.🟦 An image is 320 pixels wide and 360 pixels tall. How many pixels does it have in all?
  26. 26.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a sound (d) a font size
  27. 27.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
  28. 28.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  29. 29.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  30. 30.Which of these best fits 4:3? (a) a landscape video (b) a tall phone video (c) an older TV screen (d) a phone story clip
  31. 31.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  34. 34.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
  35. 35.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  36. 36.Which of these best fits 9:16? (a) an upright phone screen (b) a classic tablet screen (c) a laptop film screen (d) an older TV screen
  37. 37.🟦 An image is 260 pixels wide and 320 pixels tall. How many pixels does it have in all?
  38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  39. 39.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  40. 40.🟦 An image is 160 pixels wide and 190 pixels tall. How many pixels does it have in all?

Answer key

  1. a square sticker
  2. 73600
  3. 1650
  4. 600
  5. 360
  6. 22400
  7. 5
  8. a square post
  9. 18700
  10. 3.5
  11. squashed or wide
  12. 1:1
  13. 1980
  14. 1:1
  15. 1:1
  16. 6
  17. 54600
  18. 11700
  19. 1:1
  20. wider than it is tall
  21. 16:9
  22. 38000
  23. 17000
  24. a laptop film screen
  25. 115200
  26. a tiny dot of colour
  27. 240
  28. 16:9
  29. 16:9
  30. an older TV screen
  31. 8
  32. 9:16
  33. 750
  34. the number of pixels
  35. 4:3
  36. an upright phone screen
  37. 83200
  38. 450
  39. 4:3
  40. 30400

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