Year 9 · Maths
Understand integer powers real roots in Year 9 Maths
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Focus on laws of indices and simplifying surds. Open support for “Apply Fractional Indices”, then explain the idea in your own words.
Year 9 learners practise laws of indices and simplifying surds.
The activities include Apply Fractional Indices, Divide Indices, Do Calculations with Square Numbers Mentally, and related practice. The checked support below includes video, worksheet, teaching. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.
Activities covered
Finish one activity, then tap Done to earn one Den Drop ticket. You can earn up to 3 tickets each day.
- Apply Fractional Indices — support from YouTube — corbettmaths
- Divide Indices — support from YouTube — Mr Carter’s Maths Classroom
- Do Calculations with Square Numbers Mentally — support from YouTube — The Logic Junction
- Estimate the Cube Roots of Numbers — support from Oak National Academy
- Estimate the Square Roots of Numbers — support from YouTube — Cognito
- Find the Difference of Two Squares — support from Oak National Academy
- Identify Simple Exponents — support from YouTube — Math Antics
- Multiply Indices — support from YouTube — Mr Carter’s Maths Classroom
- Simplify Surds — support from YouTube — corbettmaths
- Understand Negative Indices — support from YouTube — corbettmaths
- Understand Simple Exponents — support from YouTube — Math Antics
- Work Out the Difference of Two Squares — support from Oak National Academy
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Practise — questions or activities to try
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Watch it explained
watch a video explanation
Fractional indices - Corbettmaths
Best for: a clear explanation before you practise
Index Law (Multiplication and Division)
Best for: a clear explanation before you practise
Find Square Roots of Big Numbers in Seconds! (No Calculator Needed)
Best for: a clear explanation before you practise
Square and cube roots
Best for: a clear explanation before you practise
How to Estimate the Square Root of Non-Square Numbers (2026/27 exams)
Best for: a clear explanation before you practise
Difference of two squares
Best for: a clear explanation before you practise
Intro to Exponents (also called Indices)
Best for: a clear explanation before you practise
Surds - Corbettmaths
Best for: a clear explanation before you practise
Negative Indices - Corbettmaths
Best for: a clear explanation before you practise
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Learn it properly
lessons and teaching pages
Properties of number: factors, multiples, squares and cubes: lesson sequence
Best for: worked examples and step-by-step teaching
Expressions and formulae: lesson sequence
Best for: worked examples and step-by-step teaching
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Practise it
questions and activities to try
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Print and finish
worksheets away from the screen
Powers and roots
Best for: pencil-and-paper practice away from the screen
Fractional Indices Practice Questions
Best for: pencil-and-paper practice away from the screen
Laws of Indices Practice Questions
Best for: pencil-and-paper practice away from the screen
Square Numbers and Square Roots Practice Questions
Best for: pencil-and-paper practice away from the screen
Factorising Quadratics Practice Questions
Best for: pencil-and-paper practice away from the screen
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