Problem-solving is an important part of thinking processes. In general, a problem is any kind of conflict or difference between one situation and another that one wishes to produce, that which is the goal. Problem-solving can be done either with or without insight and utilizes analytical, synthetic thinking along with metacognition.An individual uses various kinds of methods or strategies to solve problems.Some strategies when used take a long time but definitely give an answer. On the other hand, there are some other strategies that take lesser time but do not always guarantee success.The problem-solving strategy in which one begins from the goal and moves back sequentially to figure out the solution is called working backward strategy.With the backward search heuristic, the problem solver starts at the goal state. Sometimes it is useful to start at the goal state of a problem and attempt to work backward to the initial state.In solving a paper-pencil maze, it may be easier to see the correct path by starting at the end. Working backward can be a very useful heuristic, particularly for problems that contain a uniquely specified goal state.For example, a backward search would be ideal for a maze with many paths out of the beginning point yet only one path leading form the goal.The reason working backward helps lies in the subgoals that one begins to see Stages of Problem Solving by starting with the final goal.Once the problem solver can envision a string of subgoals projecting backward from the goal state, then going about solving the subgoals in a forward direction can be readily accomplished. Additional InformationAnalogy: In analogy, a solution to an earlier problem is used in order to help with an original problem. The current problem is solved on the basis of past experience of solving similar problems.Algorithm: It is a procedure of steps that does guarantee a solution if one follows the steps correctly. The rules of multiplication constitute an algorithm because a correct answer is guaranteed if one follows the rules.Mnemonics: These are like tools or technique that helps to remember or retain certain amount of fact or data in the human memory.