Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 58 · 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 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
3. 3.🟦 An image is 110 pixels wide and 340 pixels tall. How many pixels does it have in all?
4. 4.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
5. 5.🟦 You shrink a 300 × 100 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
7. 7.Which of these best fits 4:3? (a) a widescreen TV (b) an album cover (c) a classic tablet screen (d) a square profile picture
8. 8.🟦 An image is 30 pixels wide and 200 pixels tall. How many pixels does it have in all?
9. 9.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
10. 10.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
11. 11.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
12. 12.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
13. 13.Which of these best fits 4:3? (a) a laptop film screen (b) a tall phone video (c) an older TV screen (d) a widescreen slide
14. 14.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
16. 16.🟦 An image is 400 pixels wide and 330 pixels tall. How many pixels does it have in all?
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
18. 18.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
19. 19.Which of these best fits 16:9? (a) a landscape video (b) a square sticker (c) a tall phone video (d) a square profile picture
20. 20.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen slide (c) a square profile picture (d) a phone story clip
21. 21.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 You shrink a 780 × 80 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 240 pixels wide and 170 pixels tall. How many pixels does it have in all?
24. 24.Which of these best fits 16:9? (a) a tall phone video (b) an older TV screen (c) a widescreen slide (d) a square sticker
25. 25.🟦 An image is 220 pixels wide and 300 pixels tall. How many pixels does it have in all?
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
27. 27.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
28. 28.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) wider than it is tall (d) taller than wide
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
30. 30.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 An image is 360 × 240 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
32. 32.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.Which of these best fits 9:16? (a) a widescreen TV (b) an older TV screen (c) a tall phone video (d) a square profile picture
34. 34.Which of these best fits 9:16? (a) a laptop film screen (b) a phone story clip (c) a square sticker (d) a widescreen slide
35. 35.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
36. 36.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
37. 37.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
38. 38.🟦 An image is 300 pixels wide and 120 pixels tall. How many pixels does it have in all?
39. 39.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
40. 40.🟦 An image is 370 pixels wide and 200 pixels tall. How many pixels does it have in all?

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