Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 613 · 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.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
2. 2.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
3. 3.Which of these best fits 1:1? (a) a square sticker (b) a landscape video (c) an upright phone screen (d) a phone story clip
4. 4.🟦 An image is 690 × 460 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
5. 5.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
6. 6.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
7. 7.🟦 An image is 120 pixels wide and 130 pixels tall. How many pixels does it have in all?
8. 8.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
9. 9.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
11. 11.Which of these best fits 4:3? (a) a widescreen TV (b) a widescreen slide (c) a square post (d) an older TV screen
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
13. 13.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 You shrink a 680 × 680 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.Which of these best fits 16:9? (a) an old-style monitor (b) a tall phone video (c) a widescreen TV (d) a phone story clip
16. 16.🟦 An image is 70 pixels wide and 190 pixels tall. How many pixels does it have in all?
17. 17.Which of these best fits 16:9? (a) a landscape video (b) a tall phone video (c) a square profile picture (d) a classic tablet screen
18. 18.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
19. 19.🟦 An image is 40 pixels wide and 310 pixels tall. How many pixels does it have in all?
20. 20.🟦 An image is 30 pixels wide and 250 pixels tall. How many pixels does it have in all?
21. 21.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
22. 22.Which of these best fits 9:16? (a) a widescreen TV (b) a widescreen slide (c) a square profile picture (d) an upright phone screen
23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
24. 24.🟦 You shrink a 280 × 740 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
28. 28.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
29. 29.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
30. 30.🟦 You shrink a 240 × 100 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.Which of these best fits 16:9? (a) a tall phone video (b) a square profile picture (c) a phone story clip (d) a widescreen slide
32. 32.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
33. 33.Which of these best fits 9:16? (a) a square profile picture (b) a landscape video (c) a square sticker (d) a tall phone video
34. 34.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
35. 35.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
36. 36.🟦 You shrink an 80 × 40 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 130 pixels wide and 340 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 20 pixels wide and 270 pixels tall. How many pixels does it have in all?
39. 39.Which of these best fits 1:1? (a) a widescreen slide (b) an old-style monitor (c) an album cover (d) a tall phone video
40. 40.🟦 You shrink a 780 × 500 pixel image to half its width and half its height. How many pixels does it have now?

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