Which one of the following is not an efficient role of a teacher in problem solving approach?
1
Teacher's role is to encourage students to plan their method of problem solving
2
Teacher's role is to explain the ideas on the problem which is not solved
3
Teacher's role is to facilitate students to define the problem
4
Teacher's role is to encourage the group that has completed the task at the earliest to extend help to the group struggling with the problem, so that they can do it within the given time frame