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 scheme of work, following Pearson Edexcel GCSE (9–1) Mathematics, Higher tier (1MA1). Open this topic in Mr Wells Maths to see it alongside the rest of the course.