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📘 Form One Mathematics Notes – Approximations: Rounding Off, Significant Figures & Estimation | NECTA-Aligned Study Guide PDF
Master rounding and estimation the simple, exam-ready way — with clear rules, worked examples, and a quick reference table.

Written specifically for Tanzanian Form One students, this Mathematics study guide covers the Approximations topic in clear, structured notes. From the “Golden Rule” of rounding to significant figures, decimal places, and real-life estimation — every concept is broken down step by step with plenty of worked examples.