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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 953 · 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 aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  2. 2.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
  3. 3.🟦 An image is 440 × 330 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  4. 4.Which of these best fits 16:9? (a) a tall phone video (b) a landscape video (c) a classic tablet screen (d) a square sticker
  5. 5.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  6. 6.🟦 An image is 170 pixels wide and 210 pixels tall. How many pixels does it have in all?
  7. 7.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
  8. 8.🟦 An image is 150 pixels wide and 130 pixels tall. How many pixels does it have in all?
  9. 9.Which of these best fits 16:9? (a) a square profile picture (b) a widescreen TV (c) a square sticker (d) a square post
  10. 10.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  11. 11.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  12. 12.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  13. 13.🟦 You shrink a 320 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  15. 15.🟦 You shrink a 500 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.🟦 An image is 260 pixels wide and 350 pixels tall. How many pixels does it have in all?
  17. 17.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  18. 18.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  19. 19.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
  20. 20.Which of these best fits 4:3? (a) a square sticker (b) an older TV screen (c) an upright phone screen (d) a widescreen TV
  21. 21.🟦 You shrink a 720 × 540 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 An image is 140 pixels wide and 400 pixels tall. How many pixels does it have in all?
  23. 23.🟦 An image is 240 pixels wide and 150 pixels tall. How many pixels does it have in all?
  24. 24.🟦 An image is 160 pixels wide and 190 pixels tall. How many pixels does it have in all?
  25. 25.🟦 An image is 600 × 400 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  26. 26.🟦 You shrink a 280 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  27. 27.🟦 You shrink a 660 × 60 pixel image to half its width and half its height. How many pixels does it have now?
  28. 28.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  29. 29.🟦 An image is 20 pixels wide and 250 pixels tall. How many pixels does it have in all?
  30. 30.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  32. 32.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
  33. 33.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
  34. 34.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
  35. 35.🟦 You shrink a 180 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  37. 37.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
  38. 38.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen TV (c) a landscape video (d) a tall phone video
  39. 39.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same

Answer key

  1. 16:9
  2. 160
  3. 4:3
  4. a landscape video
  5. 4:3
  6. 35700
  7. a tiny dot of colour
  8. 19500
  9. a widescreen TV
  10. 3:2
  11. 9:16
  12. 16:9
  13. 3200
  14. 600
  15. 87500
  16. 91000
  17. 4:3
  18. 9
  19. 320
  20. an older TV screen
  21. 97200
  22. 56000
  23. 36000
  24. 30400
  25. 3:2
  26. 14000
  27. 9900
  28. 1:1
  29. 5000
  30. 21
  31. 9:16
  32. 3520
  33. 800
  34. 120
  35. 1800
  36. 4:3
  37. the number of pixels
  38. a tall phone video
  39. 4
  40. squashed or wide

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