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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 70 · 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 an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  2. 2.🟦 You shrink a 680 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) round (d) taller than wide
  4. 4.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  6. 6.Which of these best fits 16:9? (a) an album cover (b) a classic tablet screen (c) a landscape video (d) a phone story clip
  7. 7.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  8. 8.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
  9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  10. 10.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
  11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  12. 12.🟦 You shrink a 660 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  13. 13.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
  14. 14.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  16. 16.🟦 A 4:3 video frame is 330 pixels tall. How many pixels wide is it?
  17. 17.🟦 An image is 70 pixels wide and 240 pixels tall. How many pixels does it have in all?
  18. 18.🟦 An image is 380 pixels wide and 90 pixels tall. How many pixels does it have in all?
  19. 19.🟦 An image is 260 pixels wide and 330 pixels tall. How many pixels does it have in all?
  20. 20.🟦 You shrink an 80 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  21. 21.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  22. 22.Which of these best fits 9:16? (a) a landscape video (b) a laptop film screen (c) an upright phone screen (d) a widescreen slide
  23. 23.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.🟦 An image is 220 pixels wide and 150 pixels tall. How many pixels does it have in all?
  25. 25.Which of these best fits 4:3? (a) a landscape video (b) an older TV screen (c) an upright phone screen (d) a laptop film screen
  26. 26.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  28. 28.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
  29. 29.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  30. 30.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  31. 31.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
  33. 33.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  34. 34.Which of these best fits 1:1? (a) an album cover (b) a tall phone video (c) a classic tablet screen (d) a phone story clip
  35. 35.Which of these best fits 4:3? (a) a tall phone video (b) an upright phone screen (c) a square profile picture (d) an old-style monitor
  36. 36.Which of these best fits 16:9? (a) a square sticker (b) a widescreen TV (c) an upright phone screen (d) a tall phone video
  37. 37.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
  38. 38.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
  39. 39.🟦 An image is 310 pixels wide and 370 pixels tall. How many pixels does it have in all?
  40. 40.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 4:3
  2. 47600
  3. wider than it is tall
  4. 6
  5. 4:3
  6. a landscape video
  7. 1:1
  8. 60
  9. 600
  10. 360
  11. 2400
  12. 52800
  13. squashed or wide
  14. 9:16
  15. 3600
  16. 440
  17. 16800
  18. 34200
  19. 85800
  20. 14000
  21. 600
  22. an upright phone screen
  23. 5
  24. 33000
  25. an older TV screen
  26. 12.5
  27. 3:2
  28. 1920
  29. 4:3
  30. 3:2
  31. 2
  32. 450
  33. 1:1
  34. an album cover
  35. an old-style monitor
  36. a widescreen TV
  37. a tiny dot of colour
  38. 1:1
  39. 114700
  40. 8

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