Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 327 · 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 200 × 150 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
2. 2.🟦 You shrink a 660 × 200 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) more colourful (d) sharper
4. 4.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
5. 5.🟦 An image is 360 pixels wide and 140 pixels tall. How many pixels does it have in all?
6. 6.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
7. 7.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
8. 8.Which of these best fits 4:3? (a) an upright phone screen (b) a classic tablet screen (c) a phone story clip (d) a widescreen slide
9. 9.🟦 You shrink a 180 × 180 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
11. 11.Which of these best fits 4:3? (a) a square profile picture (b) an old-style monitor (c) a laptop film screen (d) a widescreen TV
12. 12.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
13. 13.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
14. 14.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 An image is 150 pixels wide and 390 pixels tall. How many pixels does it have in all?
17. 17.🟦 An image is 30 pixels wide and 110 pixels tall. How many pixels does it have in all?
18. 18.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
19. 19.Which of these best fits 9:16? (a) a widescreen TV (b) a phone story clip (c) a square post (d) a laptop film screen
20. 20.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
21. 21.🟦 You shrink a 660 × 320 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
23. 23.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
24. 24.🟦 An image is 290 pixels wide and 200 pixels tall. How many pixels does it have in all?
25. 25.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
26. 26.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen slide (c) an old-style monitor (d) a tall phone video
27. 27.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
28. 28.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
30. 30.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
33. 33.Which of these best fits 16:9? (a) an old-style monitor (b) a phone story clip (c) a square post (d) a laptop film screen
34. 34.🟦 You shrink a 620 × 540 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.Which of these best fits 9:16? (a) a square sticker (b) an older TV screen (c) an upright phone screen (d) a classic tablet screen
36. 36.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.Which of these best fits 16:9? (a) a square sticker (b) an album cover (c) an older TV screen (d) a widescreen TV
38. 38.Which of these best fits 1:1? (a) a classic tablet screen (b) a square profile picture (c) a landscape video (d) a widescreen slide
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
40. 40.🟦 An image is 290 pixels wide and 300 pixels tall. How many pixels does it have in all?

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