Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 120 · 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.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
2. 2.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
4. 4.🟦 An image is 350 pixels wide and 370 pixels tall. How many pixels does it have in all?
5. 5.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) taller than wide (d) round
6. 6.Which of these best fits 4:3? (a) a square sticker (b) a laptop film screen (c) a square profile picture (d) an older TV screen
7. 7.🟦 A 4:3 video frame is 330 pixels tall. How many pixels wide is it?
8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
9. 9.🟦 An image is 270 pixels wide and 300 pixels tall. How many pixels does it have in all?
10. 10.🟦 You shrink a 40 × 500 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
13. 13.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
14. 14.Which of these best fits 1:1? (a) a square post (b) a landscape video (c) a widescreen slide (d) a phone story clip
15. 15.🟦 An image is 210 pixels wide and 260 pixels tall. How many pixels does it have in all?
16. 16.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
17. 17.🟦 An image is 290 pixels wide and 310 pixels tall. How many pixels does it have in all?
18. 18.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
19. 19.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
20. 20.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
21. 21.🟦 You shrink a 60 × 340 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
23. 23.🟦 You shrink a 620 × 100 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.Which of these best fits 9:16? (a) an older TV screen (b) a landscape video (c) an old-style monitor (d) a phone story clip
25. 25.Which of these best fits 9:16? (a) an upright phone screen (b) a laptop film screen (c) a square profile picture (d) a square sticker
26. 26.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
27. 27.Which of these best fits 1:1? (a) a widescreen slide (b) an upright phone screen (c) a square profile picture (d) an older TV screen
28. 28.🟦 An image is 210 pixels wide and 310 pixels tall. How many pixels does it have in all?
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
30. 30.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
31. 31.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
32. 32.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
33. 33.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
34. 34.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
35. 35.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
36. 36.🟦 An image is 70 pixels wide and 350 pixels tall. How many pixels does it have in all?
37. 37.🟦 An image is 90 pixels wide and 120 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 70 pixels wide and 110 pixels tall. How many pixels does it have in all?
39. 39.🟦 An image is 370 pixels wide and 340 pixels tall. How many pixels does it have in all?
40. 40.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2

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