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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 519 · 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 9:16? (a) a square profile picture (b) a phone story clip (c) an old-style monitor (d) a laptop film screen
  2. 2.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the file name (d) the number of pixels
  3. 3.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  4. 4.🟦 You shrink a 780 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  6. 6.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
  7. 7.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  8. 8.🟦 You shrink a 280 × 720 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 An image is 220 pixels wide and 20 pixels tall. How many pixels does it have in all?
  10. 10.🟦 An image is 130 pixels wide and 80 pixels tall. How many pixels does it have in all?
  11. 11.Which of these best fits 16:9? (a) an upright phone screen (b) a laptop film screen (c) a classic tablet screen (d) an older TV screen
  12. 12.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
  13. 13.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
  14. 14.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  15. 15.Which of these best fits 1:1? (a) a square profile picture (b) a classic tablet screen (c) a widescreen slide (d) a widescreen TV
  16. 16.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  17. 17.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
  18. 18.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  19. 19.Which of these best fits 1:1? (a) an album cover (b) a phone story clip (c) an upright phone screen (d) an older TV screen
  20. 20.🟦 An image is 440 × 330 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  21. 21.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
  22. 22.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  24. 24.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  25. 25.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  27. 27.🟦 An image is 50 pixels wide and 110 pixels tall. How many pixels does it have in all?
  28. 28.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 You shrink an 800 × 740 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  31. 31.Which of these best fits 4:3? (a) a landscape video (b) an old-style monitor (c) a square sticker (d) a square profile picture
  32. 32.🟦 You shrink a 520 × 780 pixel image to half its width and half its height. How many pixels does it have now?
  33. 33.🟦 An image is 90 pixels wide and 140 pixels tall. How many pixels does it have in all?
  34. 34.🟦 An image is 200 pixels wide and 100 pixels tall. How many pixels does it have in all?
  35. 35.🟦 An image is 40 pixels wide and 20 pixels tall. How many pixels does it have in all?
  36. 36.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  38. 38.🟦 An image is 220 pixels wide and 70 pixels tall. How many pixels does it have in all?
  39. 39.Which of these best fits 16:9? (a) a widescreen TV (b) a classic tablet screen (c) a square sticker (d) an upright phone screen
  40. 40.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3

Answer key

  1. a phone story clip
  2. the number of pixels
  3. 1:1
  4. 113100
  5. 1:1
  6. 90
  7. 640
  8. 50400
  9. 4400
  10. 10400
  11. a laptop film screen
  12. 1350
  13. a tiny dot of colour
  14. 16:9
  15. a square profile picture
  16. 16:9
  17. 600
  18. 300
  19. an album cover
  20. 4:3
  21. squashed or wide
  22. 1:1
  23. 1350
  24. 1:1
  25. 4
  26. 9:16
  27. 5500
  28. 5
  29. 148000
  30. 9:16
  31. an old-style monitor
  32. 101400
  33. 12600
  34. 20000
  35. 800
  36. 4:3
  37. 3600
  38. 15400
  39. a widescreen TV
  40. 16:9

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