Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 769 · 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) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
2. 2.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
4. 4.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
5. 5.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
6. 6.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
9. 9.Which of these best fits 1:1? (a) a landscape video (b) a widescreen TV (c) a square post (d) a phone story clip
10. 10.Which of these best fits 9:16? (a) a classic tablet screen (b) a tall phone video (c) an older TV screen (d) a laptop film screen
11. 11.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) exactly the same (d) sharper
12. 12.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
13. 13.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
14. 14.🟦 A 4:3 video frame is 720 pixels tall. How many pixels wide is it?
15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
16. 16.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.Which of these best fits 4:3? (a) an album cover (b) a widescreen slide (c) an upright phone screen (d) a classic tablet screen
18. 18.🟦 You shrink a 320 × 460 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.Which of these best fits 4:3? (a) a landscape video (b) an old-style monitor (c) a phone story clip (d) a square post
20. 20.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
21. 21.🟦 An image is 380 pixels wide and 110 pixels tall. How many pixels does it have in all?
22. 22.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.Which of these best fits 16:9? (a) a landscape video (b) a phone story clip (c) an old-style monitor (d) an older TV screen
25. 25.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 An image is 340 pixels wide and 60 pixels tall. How many pixels does it have in all?
27. 27.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
28. 28.Which of these best fits 9:16? (a) a widescreen slide (b) an album cover (c) a phone story clip (d) a laptop film screen
29. 29.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
30. 30.Which of these best fits 9:16? (a) a square post (b) a laptop film screen (c) a widescreen TV (d) an upright phone screen
31. 31.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
33. 33.🟦 An image is 160 pixels wide and 150 pixels tall. How many pixels does it have in all?
34. 34.🟦 You shrink a 500 × 420 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 You shrink a 60 × 200 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
38. 38.Which of these best fits 16:9? (a) an album cover (b) a widescreen slide (c) a square post (d) an older TV screen
39. 39.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
40. 40.🟦 You shrink a 680 × 140 pixel image to half its width and half its height. How many pixels does it have now?

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