# A-Level Maths Surds and Indices

Everything you need to know about surds and indices for A-Level Maths. Save countless hours of time!

## Surds and indices Topics for A-Level Maths

This module will teach you the following:

### Year 1

• Surds: simplification
• Indices: simplification
• Standard form

## What’s Included?

We’ve created 52 modules covering every Maths topic needed for A level, and each module contains:

• An editable PowerPoint lesson presentation
• Editable revision handouts
• A glossary which covers the key terminologies of the module
• Topical mind maps for visualising the key concepts
• Printable flashcards to help students engage active recall and confidence-based repetition
• A quiz with accompanying answer key to test knowledge and understanding of the module

As a premium member, once rolled out you get access to the entire library of A-Level Maths resources. For now, we have made the first five topics completely free of charge for you to get a taste of what’s to come.

## A Level Maths Resources Mapped by Exam Board

Once completed our modules can be used with both UK and international A Level examination board specifications.

We will put together comprehensive mapping documents which will show you exactly which modules align to the specification you are teaching or learning.

## Surds

Surds are numbers consisting of square roots that are irrational. Irrational number is a real number that cannot be represented as simplest fraction. Examples of surds are √3, 1/5+√2   and 2+√5.

The value of √3 is expressed as 1.732050808 … This is an approximate value. To obtain accurate value of expressions containing surds, it is important to learn to simplify them.

## Indices

You may come across expressions such as, bp.

`b represents the base and p represents the power or the index to which the base is raised to.`

In this section, the various operations related to indices are discussed.

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