The Power of Number and Proportionality · Number and Operations

Fractions, Decimals, and Percentages

Deepening fluency with recurring decimals and compound percentage changes.

Key Questions

  1. 1Why do some fractions result in terminating decimals while others recur infinitely?
  2. 2How does compound interest differ conceptually from simple interest over long durations?
  3. 3What is the most efficient way to reverse a percentage change?

National Curriculum Attainment Targets

KS3: Mathematics - Number
Year: Year 9
Subject: Mathematics
Unit: The Power of Number and Proportionality
Period: Number and Operations

Suggested Methodologies

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Mastering the laws of indices and using standard form to represent extremely large or small quantities.

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Exploring direct and inverse proportion through graphical and algebraic lenses.

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