Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 915 · 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 photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 You shrink a 180 × 100 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 A 4:3 video frame is 360 pixels wide. How many pixels tall is it?
4. 4.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
5. 5.🟦 You shrink a 640 × 100 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.Which of these best fits 4:3? (a) a classic tablet screen (b) a tall phone video (c) a landscape video (d) a square sticker
7. 7.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
8. 8.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
9. 9.🟦 You shrink a 260 × 260 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round
11. 11.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
13. 13.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
14. 14.🟦 An image is 280 pixels wide and 350 pixels tall. How many pixels does it have in all?
15. 15.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
16. 16.Which of these best fits 9:16? (a) a phone story clip (b) a widescreen TV (c) a laptop film screen (d) a widescreen slide
17. 17.🟦 You shrink a 560 × 460 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 An image is 310 pixels wide and 140 pixels tall. How many pixels does it have in all?
19. 19.🟦 You shrink a 780 × 640 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
21. 21.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
22. 22.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
26. 26.🟦 An image is 120 pixels wide and 100 pixels tall. How many pixels does it have in all?
27. 27.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
29. 29.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 You shrink a 380 × 660 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 An image is 310 pixels wide and 80 pixels tall. How many pixels does it have in all?
32. 32.🟦 You shrink a 600 × 280 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
34. 34.🟦 You shrink a 440 × 240 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 150 pixels wide and 130 pixels tall. How many pixels does it have in all?
36. 36.🟦 An image is 230 pixels wide and 260 pixels tall. How many pixels does it have in all?
37. 37.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
38. 38.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
39. 39.🟦 An image is 270 pixels wide and 380 pixels tall. How many pixels does it have in all?
40. 40.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2

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