Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 253 · 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.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
2. 2.🟦 An image is 110 pixels wide and 340 pixels tall. How many pixels does it have in all?
3. 3.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
4. 4.🟦 An image is 230 pixels wide and 120 pixels tall. How many pixels does it have in all?
5. 5.Which of these best fits 1:1? (a) a tall phone video (b) a square sticker (c) a widescreen slide (d) an older TV screen
6. 6.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
8. 8.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
10. 10.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
11. 11.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
12. 12.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
13. 13.Which of these best fits 16:9? (a) a square profile picture (b) a square sticker (c) a widescreen TV (d) an old-style monitor
14. 14.🟦 You shrink a 520 × 120 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
16. 16.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the paper colour (d) the file name
18. 18.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
19. 19.🟦 You shrink a 120 × 180 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
22. 22.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
23. 23.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
26. 26.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
27. 27.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
28. 28.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
29. 29.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
30. 30.Which of these best fits 16:9? (a) a tall phone video (b) a widescreen slide (c) an album cover (d) a classic tablet screen
31. 31.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
32. 32.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
33. 33.🟦 An image is 150 pixels wide and 90 pixels tall. How many pixels does it have in all?
34. 34.🟦 An image is 40 pixels wide and 70 pixels tall. How many pixels does it have in all?
35. 35.Which of these best fits 4:3? (a) an old-style monitor (b) an album cover (c) an upright phone screen (d) a tall phone video
36. 36.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
38. 38.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
39. 39.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.Which of these best fits 16:9? (a) a landscape video (b) a square profile picture (c) a square sticker (d) an older TV screen

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