Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 944 · 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.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
3. 3.Which of these best fits 16:9? (a) a classic tablet screen (b) an old-style monitor (c) a widescreen TV (d) an older TV screen
4. 4.🟦 An image is 300 pixels wide and 320 pixels tall. How many pixels does it have in all?
5. 5.🟦 You shrink a 220 × 800 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 An image is 240 pixels wide and 390 pixels tall. How many pixels does it have in all?
8. 8.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
9. 9.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
10. 10.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
11. 11.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
12. 12.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
13. 13.🟦 A 4:3 video frame is 570 pixels tall. How many pixels wide is it?
14. 14.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
15. 15.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
16. 16.🟦 You shrink a 440 × 200 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
18. 18.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
19. 19.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
20. 20.Which of these best fits 4:3? (a) a square sticker (b) a widescreen TV (c) a classic tablet screen (d) a square post
21. 21.🟦 An image is 30 pixels wide and 380 pixels tall. How many pixels does it have in all?
22. 22.🟦 You shrink a 560 × 740 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
24. 24.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
25. 25.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
27. 27.Which of these best fits 9:16? (a) a square post (b) a square profile picture (c) an album cover (d) a phone story clip
28. 28.🟦 An image is 160 pixels wide and 120 pixels tall. How many pixels does it have in all?
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
30. 30.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
31. 31.🟦 An image is 190 pixels wide and 150 pixels tall. How many pixels does it have in all?
32. 32.🟦 An image is 80 pixels wide and 400 pixels tall. How many pixels does it have in all?
33. 33.🟦 An image is 340 pixels wide and 370 pixels tall. How many pixels does it have in all?
34. 34.🟦 An image is 20 pixels wide and 400 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
36. 36.🟦 An image is 90 pixels wide and 80 pixels tall. How many pixels does it have in all?
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
38. 38.🟦 You shrink a 60 × 720 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
40. 40.Which of these best fits 9:16? (a) a square post (b) a tall phone video (c) a widescreen TV (d) a square profile picture

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