All the topics of class 10 maths book are important. In the Class 10 Mathematics NCERT book there are 15 chapters. These chapters are from Algebra, Geometry, Trigonometry, Statistics, and Probability. All the topics of NCERT Class 10 Mathematics are important for the CBSE board exam as the syllabus of the CBSE board is based on the NCERT Syllabus. To get a good score students can practice 10th maths solution, NCERT exemplar questions for Class 10, and also the previous year papers for the board exam.