Ratio and Proportion | Term 1 Chapter 3
6th Maths : Term 1 Unit 3 : Ratio and Proportion
Summary
1
A ratio is a comparison of two quantities by division.
2
Ratios are often expressed as fractions in the simplest form.
3
A ratio has no unit.
4
The two quantities of a ratio should be in the same unit.
5
Order of the terms in a ratio cannot be reversed.
6
To get an equivalent ratio, multiply or divide the numerator and denominator by the same number.
7
When two ratios are equal, they are said to be in proportion.
8
The proportionality law states that the product of the extremes is equal to the product of the means.
9
Finding the value of required number of units by knowing the value of one unit is known as unitary method.