GCSE Maths
GCSE Maths Fractional and Negative Indices Exam Questions
Free GCSE Maths exam questions on Fractional and Negative Indices, with full model answers. Covers negative powers, fractional powers and evaluating them.
Fractional and Negative Indices exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
About GCSE Maths Fractional and Negative Indices
Fractional and Negative Indices is a Grade 6+ GCSE Maths topic, so it mostly comes up on Higher tier papers. These questions suit every major board: AQA, Edexcel, OCR, WJEC, Eduqas, CCEA, Cambridge IGCSE, Edexcel IGCSE and OxfordAQA IGCSE. Work through the pack without notes, then mark every answer against the model answers and redo any you got wrong a few days later.
What you need to know
- Negative x⁻ⁿ = 1/xⁿ.
- Fractional x^(1/n) is the nth root.
- Combined x^(m/n) = (ⁿ√x)^m.
Common mistakes in Fractional and Negative Indices
- Making negative powers negative numbers.
- Raising before rooting with large numbers.
Try two Fractional and Negative Indices exam-style questions
1. Evaluate 8^(2/3). (2 marks)
Show the mark scheme answer
4
2. Evaluate 2⁻³. (1 mark)
Show the mark scheme answer
1/8
Fractional and Negative Indices FAQs
Which exam boards include Fractional and Negative Indices?
These questions suit every major board: AQA, Edexcel, OCR, WJEC, Eduqas, CCEA, Cambridge IGCSE, Edexcel IGCSE and OxfordAQA IGCSE.
What grade is Fractional and Negative Indices in GCSE Maths?
It is a Grade 6+ topic, so it mostly appears on Higher tier papers.
How should I use these Fractional and Negative Indices questions?
Answer every question without notes, then check each answer against the model answers and redo the ones you got wrong.
