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Fractional indices

Use fractional indices

6 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.

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Grade 5–8 Core 🇬🇧 UK

Fractional Indices - GCSE Higher Maths

1st Class Maths 324K views

Clear, well-structured walkthrough of 1/n and a/b indices with exam-style examples.

Jump to 0:15Working with the index 1/n 1:16Examples 2:39Working with the index a/b 3:17Examples 4:51Raising a fraction to a power 5:47Combining with other index laws

Grade 5–8 Core 🇬🇧 UK

Fractional indices - Corbettmaths

corbettmaths 378K views

Concise Corbettmaths explainer showing how to evaluate fractional powers step by step.

Grade 4–8 Core 🇬🇧 UK

GCSE Maths - What to do when Powers are Fractions (Powers Part 6/6) (2026/27 exams)

Cognito 197K views

Polished Cognito lesson explaining numerator/denominator roles and the root-first shortcut.

Jump to 0:27Meaning of Numerator and Denominator 0:54Order of Operations: Power vs Root 1:20Easier Method: Root First, then Power 1:57Examples: Unit Fractional Powers 2:56Examples: Non-Unit Fractional Powers 3:44Example: Negative Fractional Power

Grade 5–8 Core 🇬🇧 UK

Fractional Indices

Maths Genie 279K views

Maths Genie's full tutorial building fractional indices from roots to a/b powers.

Grade 4–8 Core 🇬🇧 UK

Negative and Fractional Indices (Higher Only) | GCSE Maths Tutor

The GCSE Maths Tutor 316K views

Thorough coverage of negative and fractional indices with plenty of worked examples.

Grade 5–8 Core 🇦🇺 Australia

What happens when the power isn't a whole number? (Fractional Indices)

Eddie Woo 629K views

Eddie Woo builds real understanding of what a fractional power actually means.