Number Systems and Proportionality · Number and Operations

Powers, Roots, and Surds

Deepening understanding of irrational numbers and the laws of indices in numerical and algebraic contexts.

Key Questions

  1. 1Why is it necessary to rationalize a denominator when working with exact values?
  2. 2How do the laws of indices allow us to simplify expressions with fractional exponents?
  3. 3What is the relationship between a square root and a reciprocal in terms of magnitude?

National Curriculum Attainment Targets

GCSE: Mathematics - Number
Year: Year 10
Subject: Mathematics
Unit: Number Systems and Proportionality
Period: Number and Operations

Suggested Methodologies

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