Indices and surds

Essential Mathematics Year 9

Lesson notes

Chapters

Introduction

Welcome

Learning Objectives

RECAP: Index Notation and their rules

Negative Indices: My Story

Recap of negative indices

Negative index notation

Negative indices on the denominator

More examples of Negative Indices

Formal Negative Index "Rule"

Even more examples of negative indices

Evaluating Negative Indices

Fractions with negative indices

Challenging fractional negative index question

Final words and summary

Description

This video looks at what a negative Index is and how we can simplify Negative Indices by using a simple reciprocal rule. I use humour and my tragic past loves to explain that you can solve negative index questions pretty quickly and easily. There are lots of worked examples too

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