Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 842 · 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.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
2. 2.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.Which of these best fits 9:16? (a) a square sticker (b) a laptop film screen (c) a landscape video (d) a phone story clip
4. 4.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
6. 6.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
7. 7.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
8. 8.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) a perfect square (d) taller than wide
9. 9.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
10. 10.Which of these best fits 4:3? (a) a laptop film screen (b) an older TV screen (c) a landscape video (d) a widescreen TV
11. 11.🟦 An image is 160 pixels wide and 370 pixels tall. How many pixels does it have in all?
12. 12.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.Which of these best fits 9:16? (a) an older TV screen (b) a tall phone video (c) a widescreen slide (d) an old-style monitor
14. 14.Which of these best fits 4:3? (a) a widescreen slide (b) a square post (c) an old-style monitor (d) an album cover
15. 15.🟦 An image is 100 pixels wide and 90 pixels tall. How many pixels does it have in all?
16. 16.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
17. 17.🟦 An image is 200 pixels wide and 260 pixels tall. How many pixels does it have in all?
18. 18.Which of these best fits 1:1? (a) an older TV screen (b) an upright phone screen (c) a classic tablet screen (d) a square profile picture
19. 19.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
20. 20.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
22. 22.Which of these best fits 16:9? (a) an old-style monitor (b) an album cover (c) an older TV screen (d) a widescreen slide
23. 23.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.Which of these best fits 1:1? (a) a widescreen TV (b) a square sticker (c) an upright phone screen (d) a tall phone video
25. 25.🟦 An image is 20 pixels wide and 110 pixels tall. How many pixels does it have in all?
26. 26.🟦 An image is 210 pixels wide and 330 pixels tall. How many pixels does it have in all?
27. 27.🟦 An image is 570 × 380 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
28. 28.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
29. 29.🟦 An image is 40 pixels wide and 70 pixels tall. How many pixels does it have in all?
30. 30.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the paper colour (d) the font
31. 31.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size
32. 32.Which of these best fits 9:16? (a) an older TV screen (b) a landscape video (c) a laptop film screen (d) an upright phone screen
33. 33.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
34. 34.🟦 An image is 150 pixels wide and 310 pixels tall. How many pixels does it have in all?
35. 35.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
36. 36.🟦 You shrink a 780 × 440 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 An image is 40 pixels wide and 120 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
39. 39.🟦 You shrink a 740 × 600 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?

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