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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 528 · 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.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
  2. 2.🟦 You shrink a 400 × 420 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 An image is 220 pixels wide and 140 pixels tall. How many pixels does it have in all?
  4. 4.Which of these best fits 9:16? (a) a phone story clip (b) an old-style monitor (c) a widescreen TV (d) a laptop film screen
  5. 5.🟦 An image is 190 pixels wide and 20 pixels tall. How many pixels does it have in all?
  6. 6.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  7. 7.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
  8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  9. 9.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  10. 10.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
  11. 11.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  13. 13.🟦 An image is 190 pixels wide and 190 pixels tall. How many pixels does it have in all?
  14. 14.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  15. 15.Which of these best fits 16:9? (a) a square post (b) an album cover (c) a laptop film screen (d) a phone story clip
  16. 16.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  17. 17.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 You shrink an 80 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  20. 20.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 An image is 360 pixels wide and 190 pixels tall. How many pixels does it have in all?
  22. 22.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
  23. 23.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  24. 24.🟦 An image is 310 pixels wide and 40 pixels tall. How many pixels does it have in all?
  25. 25.🟦 An image is 380 pixels wide and 300 pixels tall. How many pixels does it have in all?
  26. 26.🟦 You shrink a 40 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  27. 27.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  28. 28.Which of these best fits 9:16? (a) an old-style monitor (b) a laptop film screen (c) an album cover (d) a tall phone video
  29. 29.Which of these best fits 16:9? (a) a square post (b) an old-style monitor (c) a classic tablet screen (d) a landscape video
  30. 30.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
  31. 31.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
  32. 32.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
  33. 33.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  34. 34.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  36. 36.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
  38. 38.Which of these best fits 4:3? (a) a widescreen TV (b) a phone story clip (c) a classic tablet screen (d) a landscape video
  39. 39.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?

Answer key

  1. 270
  2. 42000
  3. 30800
  4. a phone story clip
  5. 3800
  6. 3:2
  7. a tiny dot of colour
  8. 1200
  9. 4:3
  10. 180
  11. 4:3
  12. 3000
  13. 36100
  14. 9:16
  15. a laptop film screen
  16. 3:2
  17. 4
  18. 800
  19. 1350
  20. 10
  21. 68400
  22. 2560
  23. 4:3
  24. 12400
  25. 114000
  26. 2200
  27. 16:9
  28. a tall phone video
  29. a landscape video
  30. squashed or wide
  31. blocky (pixelated)
  32. 480
  33. 3:2
  34. 8
  35. 1:1
  36. 1.5
  37. wider than it is tall
  38. a classic tablet screen
  39. 16:9
  40. 450

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