Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 623 · 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.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
2. 2.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
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) an older TV screen (b) a tall phone video (c) a phone story clip (d) a landscape video
5. 5.Which of these best fits 1:1? (a) an older TV screen (b) a square post (c) an old-style monitor (d) a widescreen slide
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
7. 7.🟦 A 4:3 video frame is 540 pixels tall. How many pixels wide is it?
8. 8.Which of these best fits 1:1? (a) a widescreen TV (b) a classic tablet screen (c) an upright phone screen (d) a square profile picture
9. 9.🟦 An image is 380 pixels wide and 130 pixels tall. How many pixels does it have in all?
10. 10.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
11. 11.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
12. 12.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen slide (c) an old-style monitor (d) a tall phone video
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
14. 14.🟦 You shrink a 600 × 560 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
16. 16.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
18. 18.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
19. 19.Which of these best fits 16:9? (a) a laptop film screen (b) a square sticker (c) a tall phone video (d) a phone story clip
20. 20.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
21. 21.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
22. 22.🟦 An image is 160 pixels wide and 190 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
24. 24.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
25. 25.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
27. 27.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
28. 28.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
29. 29.Which of these best fits 4:3? (a) an older TV screen (b) a widescreen slide (c) an upright phone screen (d) a phone story clip
30. 30.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
32. 32.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
33. 33.🟦 You shrink a 140 × 400 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 You shrink a 220 × 160 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
36. 36.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 An image is 40 pixels wide and 330 pixels tall. How many pixels does it have in all?
39. 39.🟦 You shrink a 760 × 600 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.Which of these best fits 16:9? (a) a widescreen TV (b) an upright phone screen (c) an old-style monitor (d) a classic tablet screen

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