Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 420 · 40 questions

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.

1. 1.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
2. 2.🟦 You shrink a 200 × 220 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
4. 4.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
5. 5.Which of these best fits 16:9? (a) a square profile picture (b) an older TV screen (c) a laptop film screen (d) a square post
6. 6.🟦 You shrink a 220 × 240 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
8. 8.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
9. 9.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
10. 10.Which of these best fits 9:16? (a) a widescreen TV (b) an upright phone screen (c) a landscape video (d) a classic tablet screen
11. 11.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
12. 12.🟦 An image is 300 pixels wide and 40 pixels tall. How many pixels does it have in all?
13. 13.🟦 An image is 30 pixels wide and 130 pixels tall. How many pixels does it have in all?
14. 14.Which of these best fits 4:3? (a) a phone story clip (b) a square profile picture (c) a widescreen TV (d) a classic tablet screen
15. 15.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
16. 16.🟦 You shrink a 500 × 40 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 An image is 380 pixels wide and 220 pixels tall. How many pixels does it have in all?
18. 18.🟦 An image is 200 pixels wide and 80 pixels tall. How many pixels does it have in all?
19. 19.Which of these best fits 16:9? (a) a landscape video (b) an old-style monitor (c) a classic tablet screen (d) an older TV screen
20. 20.Which of these best fits 16:9? (a) a square sticker (b) a tall phone video (c) an album cover (d) a widescreen TV
21. 21.🟦 You shrink an 80 × 440 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
23. 23.🟦 An image is 180 pixels wide and 280 pixels tall. How many pixels does it have in all?
24. 24.Which of these best fits 1:1? (a) an upright phone screen (b) a landscape video (c) a square profile picture (d) a laptop film screen
25. 25.🟦 An image is 400 pixels wide and 270 pixels tall. How many pixels does it have in all?
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
27. 27.Which of these best fits 9:16? (a) an older TV screen (b) a phone story clip (c) a square profile picture (d) a laptop film screen
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
29. 29.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
30. 30.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
33. 33.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
34. 34.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
36. 36.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
37. 37.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
38. 38.🟦 You shrink a 320 × 620 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
40. 40.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?

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