Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 440 · 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) more colourful (b) exactly the same (c) squashed or wide (d) sharper
2. 2.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 An image is 30 pixels wide and 330 pixels tall. How many pixels does it have in all?
4. 4.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 An image is 110 × 110 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
6. 6.Which of these best fits 9:16? (a) a widescreen TV (b) a tall phone video (c) a widescreen slide (d) a square profile picture
7. 7.Which of these best fits 1:1? (a) a laptop film screen (b) a classic tablet screen (c) a square post (d) a widescreen slide
8. 8.🟦 You shrink a 640 × 80 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
10. 10.Which of these best fits 1:1? (a) an old-style monitor (b) a widescreen TV (c) a phone story clip (d) a square profile picture
11. 11.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
12. 12.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen TV (c) an upright phone screen (d) a phone story clip
13. 13.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
15. 15.🟦 You shrink a 300 × 480 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
17. 17.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
18. 18.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
20. 20.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
21. 21.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
22. 22.🟦 You shrink a 680 × 380 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.Which of these best fits 4:3? (a) a widescreen TV (b) an old-style monitor (c) an album cover (d) a square profile picture
24. 24.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
25. 25.🟦 An image is 2560 × 1440 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
26. 26.Which of these best fits 4:3? (a) an upright phone screen (b) an older TV screen (c) a phone story clip (d) a widescreen TV
27. 27.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
28. 28.🟦 An image is 60 pixels wide and 160 pixels tall. How many pixels does it have in all?
29. 29.Which of these best fits 16:9? (a) a square post (b) an upright phone screen (c) a square sticker (d) a laptop film screen
30. 30.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
31. 31.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
32. 32.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
33. 33.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
34. 34.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
35. 35.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
36. 36.Which of these best fits 1:1? (a) a widescreen slide (b) a phone story clip (c) a landscape video (d) a square sticker
37. 37.🟦 A 16:9 video frame is 2160 pixels tall. How many pixels wide is it?
38. 38.🟦 An image is 200 pixels wide and 100 pixels tall. How many pixels does it have in all?
39. 39.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
40. 40.🟦 An image is 330 pixels wide and 20 pixels tall. How many pixels does it have in all?

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