Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 696 · 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 photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
3. 3.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
4. 4.🟦 An image is 340 pixels wide and 390 pixels tall. How many pixels does it have in all?
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
6. 6.🟦 An image is 100 pixels wide and 120 pixels tall. How many pixels does it have in all?
7. 7.🟦 A 4:3 video frame is 570 pixels tall. How many pixels wide is it?
8. 8.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
9. 9.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
10. 10.Which of these best fits 1:1? (a) an older TV screen (b) an album cover (c) a laptop film screen (d) a tall phone video
11. 11.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
12. 12.🟦 An image is 350 pixels wide and 190 pixels tall. How many pixels does it have in all?
13. 13.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
14. 14.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
15. 15.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
16. 16.Which of these best fits 16:9? (a) an older TV screen (b) a square sticker (c) a widescreen slide (d) a phone story clip
17. 17.🟦 You shrink a 700 × 480 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
19. 19.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
20. 20.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
21. 21.🟦 An image is 310 pixels wide and 300 pixels tall. How many pixels does it have in all?
22. 22.Which of these best fits 1:1? (a) a square post (b) a phone story clip (c) an old-style monitor (d) a landscape video
23. 23.🟦 An image is 80 pixels wide and 190 pixels tall. How many pixels does it have in all?
24. 24.Which of these best fits 16:9? (a) an album cover (b) an old-style monitor (c) a tall phone video (d) a landscape video
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
27. 27.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
28. 28.🟦 An image is 70 pixels wide and 180 pixels tall. How many pixels does it have in all?
29. 29.🟦 You shrink a 740 × 240 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.Which of these best fits 1:1? (a) an older TV screen (b) a square sticker (c) a widescreen slide (d) an upright phone screen
31. 31.🟦 You shrink a 240 × 480 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the font (d) the paper colour
33. 33.🟦 An image is 100 pixels wide and 140 pixels tall. How many pixels does it have in all?
34. 34.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) a perfect square (d) taller than wide
35. 35.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
36. 36.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.Which of these best fits 9:16? (a) a tall phone video (b) an album cover (c) a laptop film screen (d) an older TV screen
39. 39.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3

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