# Working with Irrational Numbers

> This section is Grade 10/11 operations with surds that Grade 12 Paper 1 still uses when you simplify. Irrationals are the reals that are not rational: mathbbRsetminusmathbbQ. You simplify, add like…

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## Full notes

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## More in Exponents and Surds

- [The Number System](https://www.hlayiso.com/grade-12/mathematics/notes/exponents-and-surds/the-number-system) — Previous section
- [Exponents](https://www.hlayiso.com/grade-12/mathematics/notes/exponents-and-surds/exponents) — Next section
- [All Exponents and Surds sections](https://www.hlayiso.com/grade-12/mathematics/notes/exponents-and-surds)

## Frequently asked questions

### What will I learn in "Working with Irrational Numbers"?

This section covers Working with Irrational Numbers as part of Exponents and Surds in Grade 12 Mathematics. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "Working with Irrational Numbers", are written against the official CAPS curriculum and ATP for Grade 12 Mathematics.

### What should I study after "Working with Irrational Numbers"?

Continue with the next section in Exponents and Surds, or test your understanding with the interactive quiz linked to this section.

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