Salient Features of the Book:
*    Informal student-friendly style and easy to understand language.
*    Focus on reason and logical arguments for different ideas.
*    Emphasis on observing patterns and making generalisation to develop logical thinking.
*   Highlighted conclusions and alerts are given in the course of conceptual development and related narration.
*    Questions under the heading Try these are given to reinforce immediate learning of concepts and skills.
*    Large number of worked-out Examples to enable the child comprehend the depth and the wide range of applications of the concepts involved.
*    Carefully designed and graded Exercises based on theoretical situations.
*    Chapter Test at the end of each chapter to help children with quick revision and factual assessment of learning outcome related to the chapter.
*    Important Points of Learning at the end of each chapter for easy recapitulation.
*    Questions under the heading Sharpening Your Understanding involve critical thinking and deeper understanding to motivate the students to excel.
*    A Quick Review based on Multiple Choice Questions at the end of the book to develop skills in Mental Mathematics.
*    Mathematics Laboratory Activities—a multi - coloured part based on learning mathematical concepts by doing.