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Extending the index laws

Extending the index laws

Flow diagram showing that the denominator gives the root, the numerator gives the power, and a negative index means reciprocal In ana^nan, aaa is the base and nnn is the index. The diagram shows how a fractional index splits into a root and a power, while a negative index tells you to take a reciprocal.

Fractional and Negative Indices Lesson

  1. GCSE
  2. /Maths
  3. /Fractional and Negative Indices

Step-by-step lessons covering Edexcel GCSE Maths Fractional and Negative Indices for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.

Lessons