Defining & Understanding a Problem

 Class 9th    Chapter#01     Problem Solving

Defining a Problem: Strategies to define the problem. (For complex problems)

i. Gain Background Knowledge: we try to know the situation & circumstances in which the problem is happening. 

ii. Use Guesses: we try to guess the unknown information through guess. These guesses may be bases upon past experiences.

iii. Draw a Picture: we can draw a picture & fill the information.

Understanding a Problem.

Understand problem before solution:

A clear understanding of a problem makes it easier to solve and helps to save money, time and resources.

Understanding of Problem includes identification of 5 Ws:

what, who, when, where, why.

Example.

"Suppose your class teacher assigns you a task to prepare a list of students in your school whose names start with letter 'A'. The list is required in order to prepare an alphabetical directory of all school students & there is only one week to complete the task."

Identify 5 Ws; (to remember w's recall the word toy)

>What: to prepare a list of students. Names start with letter 'A'.

> Who: Students.

>Why: to prepare alphabetical directory of students.

>When: within one week.

>Where: School.