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A ratio is a way to show a relationship or compare two numbers of the same kind. We use ratios to compare things of the same type. For example, we may use a ratio to compare the number of boys to the number of girls in your class room.
The video explains ratios, which show the relationship between two quantities. Using apples and oranges as an example, it demonstrates how to calculate and reduce ratios (6:9 to 2:3) and how to reverse the ratio (9:6 to 3:2). Created by Sal Khan.
Part-to-Whole: The ratio of boys to all pups is 2:5 or 2/5. The ratio of girls to all pups is 3:5 or 3/5. Try It Yourself. Scaling. We can use ratios to scale drawings up or down (by multiplying or dividing). Example: To draw a horse at 1/10th normal size, multiply all sizes by 1/10th.
Learn how to simplify and plot ratios with ease in this kid-friendly tutorial! We break down the basics and show simple steps to make ratios understandable a...
Need help with ratios? You're in the right place!Whether you're just starting out, or need a quick refresher... Welcome to an Introduction to Ratios with Mr. J!
5 lis 2009 · What a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-... Watch the next lesson:...
Children will first learn to use ratios using physical objects before progressing to written maths and eventually converting between methods. In year 2, children will begin learning about ratios and start using them to compare data in tally charts and pictorial charts.
