What you need to know
Check yourself against these “I can” statements.
- I can explain why any number to the power 0 is 1
- I can work out negative powers, like 2⁻³ = 1/8
- I can work out fractional powers, like 8^(1/3) = 2
- I can calculate fractions raised to negative fractional powers, like (27/8)^(-2/3)
Practise this topic
2 resources⚙️ Worksheet
Fractional Indices with Algebra
Negative and fractional indices, standard index form, changing the base and combining like terms. Four difficulty levels, timed, click to reveal.
⬢ BlockbustersFractional Indices with Algebra Blockbusters
Blockbusters with the questions from the Fractional Indices with Algebra worksheet: choose its levels for the ordinary hexagons and for the harder ★ ones. Show the answer and the worked solution, or play against the computer with…
These are the pages for Zero, negative and fractional indices in the GCSE + AQA Further Maths scheme of work, following Pearson Edexcel GCSE (9–1) Higher (1MA1), plus AQA Level 2 Further Mathematics (8365). Open this topic in Mr Wells Maths to see it alongside the rest of the course.