New NCERT Class 7 book traces algebra & more to ancient India, Pg13.

Key Highlights:

• New NCERT Class 7 mathematics textbook highlights ancient Indian contributions to mathematics, including algebra.
• The textbook cites examples from Sanskrit texts and problems related to ancient Indian mathematicians.
• Brahmagupta's 7th-century text Brahmasphutasiddhanta is mentioned for articulating rules for positive and negative numbers.
• The textbook aims to teach students "correct history" and instill pride in Indian Knowledge Systems, as per NEP 2020.

Detailed Insights:

• The textbook references Sulba Sutras, ancient geometric texts used for constructing fire altars, showcasing early Indian knowledge of geometry.
• Bijaganita, a 12th-century text by Bhaskaracharya, is cited for its contributions to algebra, emphasizing the use of symbols in mathematical expressions.
• Indian mathematical ideas influenced Al-Khwarizmi, who wrote Hisab al-jabr wal-muqabala, from which the word "algebra" is derived.
• The inclusion of ancient Indian contributions aligns with the National Education Policy (NEP) 2020, which emphasizes incorporating Indian Knowledge Systems into the curriculum.
• The updated curriculum aims to provide an interdisciplinary approach to learning and correct the skewed colonial perspective on the history of mathematics.

Key Concepts Involved:

• Algebra: A branch of mathematics dealing with symbols and the rules for manipulating those symbols.
• Geometry: A branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.
• Indian Knowledge Systems: Traditional knowledge and practices originating from India, encompassing various fields like mathematics, science, and philosophy.