Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 593 · 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.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
2. 2.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
4. 4.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 An image is 80 pixels wide and 240 pixels tall. How many pixels does it have in all?
6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
7. 7.🟦 You shrink a 40 × 540 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
10. 10.Which of these best fits 1:1? (a) a widescreen TV (b) a classic tablet screen (c) a square sticker (d) a landscape video
11. 11.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
13. 13.🟦 An image is 170 pixels wide and 300 pixels tall. How many pixels does it have in all?
14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
15. 15.Which of these best fits 4:3? (a) a phone story clip (b) a classic tablet screen (c) a landscape video (d) a square profile picture
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
17. 17.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
19. 19.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
20. 20.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
21. 21.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) more colourful (d) squashed or wide
23. 23.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
24. 24.🟦 You shrink a 200 × 340 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) a perfect square (d) round
27. 27.🟦 An image is 160 pixels wide and 270 pixels tall. How many pixels does it have in all?
28. 28.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
29. 29.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
30. 30.Which of these best fits 1:1? (a) an album cover (b) an old-style monitor (c) a widescreen TV (d) a phone story clip
31. 31.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
32. 32.🟦 An image is 300 pixels wide and 400 pixels tall. How many pixels does it have in all?
33. 33.🟦 An image is 440 × 330 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
34. 34.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
35. 35.🟦 An image is 130 pixels wide and 40 pixels tall. How many pixels does it have in all?
36. 36.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
37. 37.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a sound (d) a font size
38. 38.🟦 You shrink a 100 × 480 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 You shrink a 460 × 440 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 A 16:9 video frame is 1800 pixels tall. How many pixels wide is it?

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