Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 272 · 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.Which of these best fits 4:3? (a) a laptop film screen (b) an upright phone screen (c) an old-style monitor (d) a square post
2. 2.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
3. 3.🟦 An image is 30 pixels wide and 70 pixels tall. How many pixels does it have in all?
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
5. 5.🟦 An image is 160 pixels wide and 120 pixels tall. How many pixels does it have in all?
6. 6.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
7. 7.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
8. 8.🟦 An image is 150 pixels wide and 350 pixels tall. How many pixels does it have in all?
9. 9.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
10. 10.Which of these best fits 4:3? (a) a square profile picture (b) an album cover (c) an upright phone screen (d) a classic tablet screen
11. 11.Which of these best fits 9:16? (a) an older TV screen (b) a phone story clip (c) a classic tablet screen (d) a widescreen TV
12. 12.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
13. 13.🟦 You shrink a 300 × 200 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 An image is 400 pixels wide and 300 pixels tall. How many pixels does it have in all?
15. 15.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen TV (c) a square sticker (d) an older TV screen
16. 16.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
17. 17.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
18. 18.🟦 An image is 210 pixels wide and 380 pixels tall. How many pixels does it have in all?
19. 19.🟦 An image is 80 pixels wide and 250 pixels tall. How many pixels does it have in all?
20. 20.🟦 An image is 320 pixels wide and 40 pixels tall. How many pixels does it have in all?
21. 21.🟦 You shrink a 280 × 680 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
23. 23.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
24. 24.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
25. 25.🟦 An image is 130 pixels wide and 290 pixels tall. How many pixels does it have in all?
26. 26.🟦 An image is 370 pixels wide and 180 pixels tall. How many pixels does it have in all?
27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
28. 28.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
30. 30.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 An image is 150 pixels wide and 290 pixels tall. How many pixels does it have in all?
32. 32.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) a perfect square (d) round
33. 33.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
34. 34.🟦 A 16:9 video frame is 2080 pixels wide. How many pixels tall is it?
35. 35.🟦 You shrink a 340 × 160 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 You shrink a 320 × 760 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
39. 39.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
40. 40.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?

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