Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 163 · 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.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
2. 2.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
3. 3.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
4. 4.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
5. 5.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
6. 6.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
7. 7.🟦 You shrink a 660 × 340 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round
9. 9.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
10. 10.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
11. 11.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
12. 12.🟦 An image is 260 pixels wide and 310 pixels tall. How many pixels does it have in all?
13. 13.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
14. 14.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
15. 15.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
17. 17.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 An image is 60 pixels wide and 100 pixels tall. How many pixels does it have in all?
19. 19.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
21. 21.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
22. 22.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
23. 23.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
24. 24.🟦 An image is 50 pixels wide and 170 pixels tall. How many pixels does it have in all?
25. 25.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
26. 26.🟦 An image is 340 pixels wide and 40 pixels tall. How many pixels does it have in all?
27. 27.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
29. 29.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
30. 30.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
31. 31.Which of these best fits 1:1? (a) an older TV screen (b) a widescreen slide (c) a laptop film screen (d) a square sticker
32. 32.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
33. 33.🟦 An image is 120 pixels wide and 370 pixels tall. How many pixels does it have in all?
34. 34.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
36. 36.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
37. 37.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
38. 38.🟦 An image is 320 pixels wide and 140 pixels tall. How many pixels does it have in all?
39. 39.🟦 You shrink a 120 × 40 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?

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