Think how many Rs 10 notes you need to make Rs 100.

Think about Lattice method to solve the question.

Think about Lattice method to solve the question.

First find the product of the multiplicand and multiplier.

Think about 6 times table and take 60 as 6 x 10.

Think about Lattice method.

Think about 6 times table and take 60 as 6 x 10.

Take 40 as 4 x 10 and 30 as 3 x 10.