Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 547 · 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 9-inch-wide print?
2. 2.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
3. 3.🟦 You shrink a 220 × 680 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.Which of these best fits 1:1? (a) an album cover (b) a phone story clip (c) an upright phone screen (d) a tall phone video
5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
6. 6.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
7. 7.🟦 An image is 140 pixels wide and 380 pixels tall. How many pixels does it have in all?
8. 8.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
9. 9.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
10. 10.🟦 You shrink an 800 × 160 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
13. 13.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
14. 14.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 An image is 30 pixels wide and 220 pixels tall. How many pixels does it have in all?
16. 16.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
17. 17.🟦 You shrink an 80 × 140 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
19. 19.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
20. 20.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
21. 21.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
22. 22.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
23. 23.🟦 An image is 100 pixels wide and 180 pixels tall. How many pixels does it have in all?
24. 24.🟦 An image is 390 pixels wide and 390 pixels tall. How many pixels does it have in all?
25. 25.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 An image is 130 pixels wide and 390 pixels tall. How many pixels does it have in all?
27. 27.🟦 An image is 80 pixels wide and 390 pixels tall. How many pixels does it have in all?
28. 28.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
29. 29.🟦 You shrink a 660 × 540 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
31. 31.🟦 You shrink a 120 × 220 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 An image is 90 pixels wide and 130 pixels tall. How many pixels does it have in all?
33. 33.Which of these best fits 9:16? (a) a widescreen slide (b) a laptop film screen (c) a square post (d) an upright phone screen
34. 34.🟦 An image is 230 pixels wide and 260 pixels tall. How many pixels does it have in all?
35. 35.Which of these best fits 16:9? (a) a tall phone video (b) an older TV screen (c) a widescreen slide (d) a square post
36. 36.🟦 You shrink a 260 × 480 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 110 pixels wide and 50 pixels tall. How many pixels does it have in all?
38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
39. 39.🟦 A 16:9 video frame is 2080 pixels wide. How many pixels tall is it?
40. 40.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3

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