For Class 8 students looking to improve their skills in mathematics and science, there are several excellent books that provide clear explanations, practice problems, and a comprehensive coverage of the curriculum. Here are some highly recommended books for improving math and science in Class 8:

Mathematics:

1. "RD Sharma Mathematics" by R.D. Sharma:

   • This series is widely used and recommended for Class 8 mathematics. It covers the CBSE and other state board syllabi comprehensively and includes a variety of examples and practice problems.

2. "Mathematics for Class 8" by R.S. Aggarwal:

   • R.S. Aggarwal's books are known for their clear explanations and systematic approach to problem-solving. This book covers a wide range of topics with ample practice exercises.

3. "NCERT Mathematics Textbook for Class 8":

   • The NCERT textbooks are essential for understanding the concepts covered in the school curriculum. It's recommended to thoroughly read and practice problems from the NCERT textbook.

Science:

1. "Science for Class 8" by Lakhmir Singh and Manjit Kaur:

   • This book is a popular choice for Class 8 science. It provides comprehensive coverage of physics, chemistry, and biology topics with a focus on conceptual understanding.

2. "Science Textbook for Class 8" by NCERT:

   • The NCERT Science textbook is a fundamental resource for Class 8 students. It is aligned with the CBSE curriculum and provides a solid foundation in science concepts.

3. "Science Exemplar Problems Class 8" by NCERT:

   • This book by NCERT provides additional exemplar problems and solutions, offering more practice for students aiming to strengthen their problem-solving skills.

Remember that along with these books, regular practice, solving problems, and seeking clarification on doubts are crucial components of effective learning. Additionally, participating in hands-on experiments and practical applications of scientific concepts can enhance understanding.

Before selecting any book, it's advisable to check with your school or educational board to confirm the recommended textbook or reference material for your specific curriculum. Teachers or educators may also have specific preferences based on the teaching methods used in the classroom.