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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 972 · 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.🟦 You shrink an 80 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  2. 2.🟦 You shrink a 160 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  4. 4.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  5. 5.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
  6. 6.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
  8. 8.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 An image is 210 pixels wide and 250 pixels tall. How many pixels does it have in all?
  11. 11.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 An image is 90 pixels wide and 30 pixels tall. How many pixels does it have in all?
  13. 13.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) wider than it is tall (d) a perfect square
  14. 14.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
  15. 15.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
  16. 16.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  17. 17.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  18. 18.Which of these best fits 9:16? (a) an old-style monitor (b) an upright phone screen (c) a landscape video (d) an album cover
  19. 19.Which of these best fits 9:16? (a) a classic tablet screen (b) a landscape video (c) a phone story clip (d) a widescreen TV
  20. 20.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  21. 21.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
  22. 22.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
  25. 25.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 An image is 310 pixels wide and 350 pixels tall. How many pixels does it have in all?
  27. 27.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
  28. 28.🟦 An image is 350 pixels wide and 110 pixels tall. How many pixels does it have in all?
  29. 29.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  30. 30.🟦 An image is 270 pixels wide and 230 pixels tall. How many pixels does it have in all?
  31. 31.🟦 You shrink a 200 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  33. 33.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
  35. 35.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  36. 36.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  37. 37.🟦 You shrink a 560 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 You shrink a 280 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?

Answer key

  1. 6400
  2. 17600
  3. 4:3
  4. 16:9
  5. a tiny dot of colour
  6. 10.5
  7. 1080
  8. 7
  9. 3.5
  10. 52500
  11. 3
  12. 2700
  13. wider than it is tall
  14. 840
  15. 450
  16. 4:3
  17. 16:9
  18. an upright phone screen
  19. a phone story clip
  20. 9:16
  21. 920
  22. 4
  23. 2.5
  24. 570
  25. 7.5
  26. 108500
  27. squashed or wide
  28. 38500
  29. 9:16
  30. 62100
  31. 10000
  32. 1:1
  33. 14
  34. 3680
  35. 4:3
  36. 1:1
  37. 72800
  38. 6
  39. 44800
  40. 1200

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