Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 3 · 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.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
2. 2.🟦 An image is 320 pixels wide and 110 pixels tall. How many pixels does it have in all?
3. 3.🟦 An image is 340 pixels wide and 340 pixels tall. How many pixels does it have in all?
4. 4.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
5. 5.🟦 An image is 220 pixels wide and 210 pixels tall. How many pixels does it have in all?
6. 6.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
7. 7.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
8. 8.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
9. 9.🟦 An image is 140 pixels wide and 380 pixels tall. How many pixels does it have in all?
10. 10.🟦 An image is 70 pixels wide and 270 pixels tall. How many pixels does it have in all?
11. 11.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.Which of these best fits 9:16? (a) a square profile picture (b) an old-style monitor (c) a landscape video (d) a tall phone video
13. 13.🟦 An image is 110 pixels wide and 340 pixels tall. How many pixels does it have in all?
14. 14.🟦 An image is 180 pixels wide and 60 pixels tall. How many pixels does it have in all?
15. 15.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
16. 16.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
17. 17.🟦 The resolution of an image is … (a) the font (b) the file name (c) the paper colour (d) the number of pixels
18. 18.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
19. 19.Which of these best fits 4:3? (a) a landscape video (b) an album cover (c) an upright phone screen (d) a classic tablet screen
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
21. 21.🟦 You shrink a 280 × 560 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 An image is 370 pixels wide and 180 pixels tall. How many pixels does it have in all?
23. 23.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
25. 25.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) wider than it is tall (d) taller than wide
26. 26.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
27. 27.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
28. 28.Which of these best fits 9:16? (a) an old-style monitor (b) a square sticker (c) a classic tablet screen (d) an upright phone screen
29. 29.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
31. 31.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) squashed or wide (d) sharper
33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
34. 34.🟦 An image is 180 pixels wide and 300 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 170 pixels wide and 170 pixels tall. How many pixels does it have in all?
36. 36.🟦 An image is 110 × 110 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
37. 37.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
38. 38.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
39. 39.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
40. 40.🟦 An image is 30 pixels wide and 260 pixels tall. How many pixels does it have in all?

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