Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 743 · 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 220 × 480 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
4. 4.Which of these best fits 16:9? (a) a landscape video (b) an old-style monitor (c) a square sticker (d) a phone story clip
5. 5.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
6. 6.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
7. 7.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
8. 8.Which of these best fits 4:3? (a) an older TV screen (b) a widescreen slide (c) a widescreen TV (d) a laptop film screen
9. 9.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
10. 10.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
11. 11.🟦 You shrink a 660 × 80 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 You shrink a 600 × 120 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.Which of these best fits 4:3? (a) an upright phone screen (b) a square post (c) a square sticker (d) an old-style monitor
15. 15.🟦 You shrink a 400 × 100 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 An image is 390 pixels wide and 290 pixels tall. How many pixels does it have in all?
17. 17.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
19. 19.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
21. 21.Which of these best fits 16:9? (a) a square profile picture (b) an older TV screen (c) a widescreen TV (d) a tall phone video
22. 22.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
23. 23.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
24. 24.🟦 An image is 290 pixels wide and 320 pixels tall. How many pixels does it have in all?
25. 25.Which of these best fits 9:16? (a) a widescreen TV (b) a laptop film screen (c) a phone story clip (d) an older TV screen
26. 26.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
28. 28.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
30. 30.Which of these best fits 1:1? (a) an older TV screen (b) a widescreen TV (c) a square profile picture (d) an old-style monitor
31. 31.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
34. 34.🟦 You shrink a 640 × 120 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.Which of these best fits 4:3? (a) a landscape video (b) a classic tablet screen (c) a widescreen slide (d) a square sticker
36. 36.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
38. 38.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the file name (d) the number of pixels
39. 39.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
40. 40.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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