Class 6 Ratio and Proportion @classes678
Ratio and Proportion What is a Ratio? A ratio is a way to compare two or more quantities. It tells us how much of one thing there is compared to another. Ratios can be written in three ways: using a colon (:), as a fraction, or with the word "to." For example, if there are 3 apples and 2 oranges, the ratio of apples to oranges can be written as: Using a colon: 3:2 As a fraction: 3 2 \frac{3}{2} 2 3 Using the word 'to': 3 to 2 Understanding Ratios Order Matters: The order in which you write the numbers in a ratio is important. The ratio 3:2 is different from 2:3. Simplifying Ratios: Ratios can be simplified just like fractions. For example, the ratio 6:4 can be simplified to 3:2 by dividing both numbers by 2. Examples of Ratios Comparing Heights: If one student is 150 cm tall and another is 120 cm tall, the ratio of their heights is 150:120, which simplifies to 5:4. Mixing Colors: If you mix 2 cups of red paint with 3 cups of blue paint, the ratio of red to b...