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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 525 · 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.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
  2. 2.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
  3. 3.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  4. 4.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
  5. 5.🟦 An image is 210 pixels wide and 360 pixels tall. How many pixels does it have in all?
  6. 6.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  8. 8.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) exactly the same (d) more colourful
  9. 9.🟦 An image is 140 pixels wide and 160 pixels tall. How many pixels does it have in all?
  10. 10.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  11. 11.Which of these best fits 9:16? (a) a laptop film screen (b) an upright phone screen (c) an old-style monitor (d) a landscape video
  12. 12.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  13. 13.🟦 You shrink a 520 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  14. 14.🟦 An image is 90 pixels wide and 250 pixels tall. How many pixels does it have in all?
  15. 15.Which of these best fits 4:3? (a) a laptop film screen (b) an older TV screen (c) a tall phone video (d) a widescreen slide
  16. 16.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  17. 17.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
  18. 18.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a sound (d) a font size
  19. 19.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  20. 20.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  21. 21.🟦 You shrink a 120 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) wider than it is tall (d) round
  23. 23.🟦 You shrink a 360 × 780 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  26. 26.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  28. 28.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  29. 29.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
  30. 30.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
  31. 31.Which of these best fits 16:9? (a) a phone story clip (b) a square profile picture (c) a laptop film screen (d) a tall phone video
  32. 32.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  33. 33.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  34. 34.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  35. 35.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen slide (c) a laptop film screen (d) a square post
  36. 36.🟦 You shrink a 300 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  37. 37.🟦 You shrink a 760 × 420 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  40. 40.🟦 You shrink a 280 × 260 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. the number of pixels
  2. 1600
  3. 640
  4. 3520
  5. 75600
  6. 24
  7. 1800
  8. squashed or wide
  9. 22400
  10. 16:9
  11. an upright phone screen
  12. 4:3
  13. 28600
  14. 22500
  15. an older TV screen
  16. 4:3
  17. 1800
  18. a tiny dot of colour
  19. 16:9
  20. 4:3
  21. 6600
  22. wider than it is tall
  23. 70200
  24. 6
  25. 4:3
  26. 1:1
  27. 1800
  28. 16:9
  29. 600
  30. 200
  31. a laptop film screen
  32. 4:3
  33. 9:16
  34. 9:16
  35. a square post
  36. 48000
  37. 79800
  38. 9
  39. 900
  40. 18200

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