To introduce the concept of area, a teacher can start with

Options

A. 1.explaining of formulae for finding area of figure of different shapes
B. 2.comparing area of any figure with te help of different object like palm, leaf, note book etc
C. 3.calcutating area of rectangle by finding length and breadth of a recangle and using the formulae for area of rectangle
D. 4.calculating area of figure with the help of counting unit square

Answer

B