Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 736 · 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 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.Which of these best fits 9:16? (a) a laptop film screen (b) a classic tablet screen (c) a square profile picture (d) a tall phone video
3. 3.Which of these best fits 16:9? (a) a widescreen slide (b) an old-style monitor (c) an older TV screen (d) a square profile picture
4. 4.🟦 You shrink a 180 × 180 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 An image is 180 pixels wide and 300 pixels tall. How many pixels does it have in all?
6. 6.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
7. 7.Which of these best fits 4:3? (a) a landscape video (b) a square sticker (c) a tall phone video (d) a classic tablet screen
8. 8.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 You shrink a 240 × 640 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
11. 11.Which of these best fits 16:9? (a) a square sticker (b) a landscape video (c) a classic tablet screen (d) a square profile picture
12. 12.🟦 An image is 100 pixels wide and 330 pixels tall. How many pixels does it have in all?
13. 13.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) squashed or wide (d) more colourful
14. 14.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
17. 17.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
18. 18.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
19. 19.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
20. 20.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
21. 21.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
22. 22.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the file name (d) the paper colour
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
24. 24.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
26. 26.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
27. 27.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
28. 28.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
29. 29.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
30. 30.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
32. 32.🟦 You shrink a 140 × 200 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 An image is 30 pixels wide and 190 pixels tall. How many pixels does it have in all?
34. 34.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
35. 35.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
36. 36.🟦 An image is 120 pixels wide and 230 pixels tall. How many pixels does it have in all?
37. 37.Which of these best fits 1:1? (a) an old-style monitor (b) a square profile picture (c) a phone story clip (d) an older TV screen
38. 38.🟦 An image is 350 pixels wide and 100 pixels tall. How many pixels does it have in all?
39. 39.🟦 You shrink a 240 × 40 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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