Enrich · Stage 5 · Indices A

Enrich Apply the index laws for numerical bases with positive- integer indices to develop the index laws in algebraic form

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• Interactive toolEnrichmentEnrich
  Mathigon: Sierpinski triangle
  Mathigon (Amplify) · Interactive (browser) · Free · Link checked 2026-10-15 · Hands-on, No prep
  Use it for: Enrichment on self-similar patterns and powers.
• Rich taskEnrichmentEarly finishersEnrich
  NRICH: Multiplication Arithmagons
  NRICH (University of Cambridge) · Web page · Free · Link checked 2026-10-15 · Low floor high ceiling, Teacher notes
  Use it for: Low-floor, high-ceiling NRICH task extending this dot point; use for extension or a problem-solving lesson.