Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 571 · 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.🟦 A 4:3 video frame is 720 pixels tall. How many pixels wide is it?
2. 2.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
3. 3.🟦 An image is 400 pixels wide and 210 pixels tall. How many pixels does it have in all?
4. 4.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
5. 5.🟦 An image is 80 pixels wide and 380 pixels tall. How many pixels does it have in all?
6. 6.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
7. 7.Which of these best fits 4:3? (a) an older TV screen (b) a square sticker (c) a phone story clip (d) an upright phone screen
8. 8.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
9. 9.Which of these best fits 16:9? (a) a square post (b) a landscape video (c) a square sticker (d) a phone story clip
10. 10.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.Which of these best fits 9:16? (a) a square profile picture (b) a classic tablet screen (c) an older TV screen (d) a tall phone video
13. 13.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
14. 14.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
15. 15.🟦 You shrink a 340 × 240 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.Which of these best fits 4:3? (a) a phone story clip (b) an old-style monitor (c) a widescreen TV (d) a square sticker
17. 17.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
19. 19.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
21. 21.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
23. 23.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
24. 24.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
25. 25.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
26. 26.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
29. 29.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 An image is 90 pixels wide and 280 pixels tall. How many pixels does it have in all?
32. 32.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
33. 33.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
34. 34.🟦 You shrink a 460 × 80 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
36. 36.Which of these best fits 16:9? (a) an older TV screen (b) a classic tablet screen (c) a square sticker (d) a widescreen TV
37. 37.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
38. 38.🟦 An image is 290 pixels wide and 210 pixels tall. How many pixels does it have in all?
39. 39.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
40. 40.🟦 You shrink a 440 × 480 pixel image to half its width and half its height. How many pixels does it have now?

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