Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 75 · 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.🟦 You shrink a 200 × 260 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
4. 4.🟦 You shrink a 100 × 420 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a sound (d) a font size
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
7. 7.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
8. 8.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
9. 9.Which of these best fits 1:1? (a) a square profile picture (b) a widescreen TV (c) a landscape video (d) a widescreen slide
10. 10.🟦 An image is 230 pixels wide and 210 pixels tall. How many pixels does it have in all?
11. 11.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) taller than wide (d) round
12. 12.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
13. 13.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
14. 14.Which of these best fits 16:9? (a) an album cover (b) an upright phone screen (c) a widescreen TV (d) a phone story clip
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
16. 16.Which of these best fits 1:1? (a) an older TV screen (b) a square post (c) an old-style monitor (d) a landscape video
17. 17.🟦 You shrink a 240 × 660 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 You shrink a 40 × 300 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 You shrink a 120 × 360 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.Which of these best fits 1:1? (a) an upright phone screen (b) an old-style monitor (c) a square sticker (d) a widescreen TV
21. 21.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 An image is 60 pixels wide and 130 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
24. 24.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
25. 25.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
26. 26.🟦 An image is 330 pixels wide and 220 pixels tall. How many pixels does it have in all?
27. 27.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
28. 28.🟦 An image is 140 pixels wide and 140 pixels tall. How many pixels does it have in all?
29. 29.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
30. 30.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 An image is 160 pixels wide and 50 pixels tall. How many pixels does it have in all?
33. 33.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 You shrink a 640 × 480 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
36. 36.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
37. 37.🟦 An image is 180 pixels wide and 20 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 120 pixels wide and 300 pixels tall. How many pixels does it have in all?
39. 39.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
40. 40.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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