A new Class 9 mathematics textbook by the National Council of Educational Research and Training (NCERT) calls the Sindhu-Sarasvati civilisation the first systematic use of grid-based thinking, says ...
This is part of ‘Ganit Manjari,’ the newly introduced NCERT Mathematics textbook for Grade 9.
NCERT New Class 9 Maths Textbook: The new textbook is part of NCERT's ongoing efforts to revise curriculum content with a ...
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