Graphic Design Worksheet: Pixels and Image Size
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.
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- 1.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
- 2.Which of these best fits 4:3? (a) an album cover (b) an older TV screen (c) a square profile picture (d) a square post
- 3.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
- 4.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
- 5.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
- 6.🟦 An image is 100 pixels wide and 350 pixels tall. How many pixels does it have in all?
- 7.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) wider than it is tall (d) taller than wide
- 8.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
- 9.🟦 You shrink a 180 × 200 pixel image to half its width and half its height. How many pixels does it have now?
- 10.Which of these best fits 9:16? (a) a classic tablet screen (b) a widescreen slide (c) a square post (d) a phone story clip
- 11.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
- 12.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
- 13.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
- 14.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
- 15.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
- 16.Which of these best fits 1:1? (a) a phone story clip (b) a classic tablet screen (c) a tall phone video (d) a square post
- 17.Which of these best fits 16:9? (a) a square sticker (b) a phone story clip (c) a landscape video (d) an old-style monitor
- 18.Which of these best fits 9:16? (a) a classic tablet screen (b) a square post (c) an old-style monitor (d) an upright phone screen
- 19.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) sharper (d) more colourful
- 20.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
- 21.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
- 22.Which of these best fits 4:3? (a) a square post (b) an upright phone screen (c) a landscape video (d) a classic tablet screen
- 23.🟦 You shrink a 200 × 160 pixel image to half its width and half its height. How many pixels does it have now?
- 24.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
- 25.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
- 26.Which of these best fits 4:3? (a) a widescreen TV (b) a landscape video (c) an old-style monitor (d) a tall phone video
- 27.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
- 28.🟦 An image is 390 pixels wide and 140 pixels tall. How many pixels does it have in all?
- 29.🟦 You shrink a 740 × 420 pixel image to half its width and half its height. How many pixels does it have now?
- 30.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
- 31.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
- 32.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
- 33.Which of these best fits 16:9? (a) an upright phone screen (b) a widescreen TV (c) a tall phone video (d) an older TV screen
- 34.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
- 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
- 36.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?
- 37.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
- 38.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
- 39.🟦 You shrink a 520 × 800 pixel image to half its width and half its height. How many pixels does it have now?
- 40.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
Answer key
- 16:9
- an older TV screen
- 1:1
- 2240
- 7
- 35000
- wider than it is tall
- a tiny dot of colour
- 9000
- a phone story clip
- 4
- 1890
- 2070
- the number of pixels
- 4:3
- a square post
- a landscape video
- an upright phone screen
- squashed or wide
- 3
- 960
- a classic tablet screen
- 8000
- 9:16
- 300
- an old-style monitor
- 1:1
- 54600
- 77700
- 16
- 1:1
- 1.5
- a widescreen TV
- 16:9
- 450
- 720
- 3:2
- 16:9
- 104000
- 21
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