Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 572 · 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 aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
2. 2.🟦 An image is 90 pixels wide and 70 pixels tall. How many pixels does it have in all?
3. 3.🟦 You shrink a 700 × 40 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
5. 5.Which of these best fits 1:1? (a) a tall phone video (b) a square profile picture (c) an upright phone screen (d) an old-style monitor
6. 6.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?
7. 7.🟦 You shrink a 100 × 40 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 You shrink a 200 × 260 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
10. 10.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
11. 11.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
12. 12.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
14. 14.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
15. 15.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
16. 16.🟦 You shrink a 640 × 200 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 An image is 340 pixels wide and 90 pixels tall. How many pixels does it have in all?
18. 18.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
19. 19.🟦 You shrink a 400 × 800 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
21. 21.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
22. 22.Which of these best fits 9:16? (a) a square profile picture (b) an upright phone screen (c) an old-style monitor (d) a laptop film screen
23. 23.🟦 An image is 210 × 140 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
24. 24.🟦 An image is 180 pixels wide and 300 pixels tall. How many pixels does it have in all?
25. 25.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
26. 26.Which of these best fits 16:9? (a) a square profile picture (b) a phone story clip (c) a laptop film screen (d) a square post
27. 27.🟦 An image is 400 pixels wide and 210 pixels tall. How many pixels does it have in all?
28. 28.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
29. 29.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
31. 31.Which of these best fits 16:9? (a) a square sticker (b) a classic tablet screen (c) a widescreen TV (d) an upright phone screen
32. 32.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
33. 33.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 An image is 690 × 460 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
35. 35.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
36. 36.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
37. 37.🟦 You shrink a 260 × 120 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.Which of these best fits 4:3? (a) a landscape video (b) a classic tablet screen (c) a widescreen slide (d) a widescreen TV
39. 39.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
40. 40.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2

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