Comprehensive, student-friendly Mathematics notes for Class 8 covering Unit 1: Approximation and Estimation.



This study material includes:

- Clear explanations of Estimation, Approximation, and Significant Figures (with rules & easy tricks).

- Step-by-step guides on Rounding Off numbers (to nearest 10, 100, decimal places, and s.f.).

- Formulas and solved examples for Absolute Error and Percentage Error.

- Detailed sections on Surds (Square Roots), Surd Operations, Rationalising the Deno...