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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 674 · 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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  2. 2.🟦 You shrink a 260 × 780 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 An image is 260 pixels wide and 240 pixels tall. How many pixels does it have in all?
  4. 4.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  5. 5.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  6. 6.Which of these best fits 9:16? (a) a laptop film screen (b) a square sticker (c) an upright phone screen (d) a classic tablet screen
  7. 7.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
  8. 8.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
  10. 10.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  11. 11.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
  12. 12.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  15. 15.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  16. 16.🟦 A 4:3 video frame is 360 pixels wide. How many pixels tall is it?
  17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  18. 18.🟦 An image is 290 pixels wide and 200 pixels tall. How many pixels does it have in all?
  19. 19.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
  20. 20.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 You shrink a 380 × 480 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 An image is 230 pixels wide and 360 pixels tall. How many pixels does it have in all?
  23. 23.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  24. 24.Which of these best fits 9:16? (a) a square post (b) a widescreen slide (c) a phone story clip (d) a square sticker
  25. 25.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  27. 27.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen TV (c) a tall phone video (d) a square sticker
  28. 28.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  29. 29.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  30. 30.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
  31. 31.🟦 You shrink a 340 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 You shrink a 700 × 500 pixel image to half its width and half its height. How many pixels does it have now?
  33. 33.Which of these best fits 9:16? (a) an older TV screen (b) a square sticker (c) a tall phone video (d) a widescreen slide
  34. 34.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
  35. 35.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
  36. 36.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  37. 37.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  38. 38.Which of these best fits 4:3? (a) a square post (b) a widescreen TV (c) an old-style monitor (d) a square profile picture
  39. 39.🟦 An image is 180 pixels wide and 320 pixels tall. How many pixels does it have in all?
  40. 40.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 600
  2. 50700
  3. 62400
  4. 16:9
  5. 3:2
  6. an upright phone screen
  7. a tiny dot of colour
  8. 3.5
  9. 1260
  10. 3600
  11. 800
  12. 9
  13. 1:1
  14. 1200
  15. 16:9
  16. 270
  17. 900
  18. 58000
  19. 2240
  20. 8
  21. 45600
  22. 82800
  23. 16:9
  24. a phone story clip
  25. 9
  26. 16:9
  27. a square sticker
  28. 4:3
  29. 1:1
  30. 2070
  31. 49300
  32. 87500
  33. a tall phone video
  34. 480
  35. squashed or wide
  36. 1:1
  37. 1:1
  38. an old-style monitor
  39. 57600
  40. 6

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