Which of the following is the least way to support the use of mathematics textbooks at primary level?
1
It provides insight to the teacher in planning the lesson
2
It helps the teacher in presenting the subject matter in an orderly and systematic sequence
3
It helps the teacher to decide about the limits and depth of the content to be presented to the students while teaching.
4
It contains exercises after every topic in the textbook which help the students to do practice at home.