6th Class Mathematics Ratio and Proportion Introduction

  Introduction

Ratio of two quantities is the comparison of the given quantities. Ratio is widely used tor comparison of two quantity in such a way that one quantity is how much increased or decreased by the other quantity. Proportion is representing the equality of two ratios and it is used where equivalent quantity is required. Map drawing is the appropriate example of use of proportion. The length between two points on the map is taken according to the proportion of the actual length.                

Unitary method is used to calculate the problems with variable quantities. Therefore, the method by which one variable is changed into a single unit is called unitary method.