Always mark or underline keywords and keep an eye on the system of units in case the numerical is from the science section.
Students should make a complete list of all the data and quantities using conventional symbols.
Try to draw a reasonably good diagram depending on the nature of the problem.
It is very important to understand the principles or formulae involved in the problem.
This is the next important step for solving a difficult numerical problem.
After translating the problems into algebraic equations and making the necessary conversion of units, solve the equations carefully.
Quick rechecking of each and every step of the solution is very necessary after you chalk out the solution in order to make sure that the final answer is the correct answer.