# The Number System > This section is the Grade 10/11 picture of the real number system that Grade 12 Paper 1 still assumes. You classify numbers and convert a recurring decimal. You do not work exponent laws, operations… - Page: https://www.hlayiso.com/grade-12/mathematics/notes/exponents-and-surds/the-number-system Breadcrumbs: [Home](https://www.hlayiso.com/) › [Grade 12](https://www.hlayiso.com/grade-12) › [Mathematics](https://www.hlayiso.com/grade-12/mathematics) › [Notes](https://www.hlayiso.com/grade-12/mathematics/notes) › [Exponents and Surds](https://www.hlayiso.com/grade-12/mathematics/notes/exponents-and-surds) › [The Number System](https://www.hlayiso.com/grade-12/mathematics/notes/exponents-and-surds/the-number-system) ## Full notes This is a preview of the The Number System notes for Grade 12 Mathematics. Create a free Hlayiso account to read the full notes, practise every question and track your progress. ## More in Exponents and Surds - [Working with Irrational Numbers](https://www.hlayiso.com/grade-12/mathematics/notes/exponents-and-surds/working-with-irrational-numbers) — 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 "The Number System"? This section covers The Number System 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 "The Number System", are written against the official CAPS curriculum and ATP for Grade 12 Mathematics. ### What should I study after "The Number System"? Continue with the next section in Exponents and Surds, or test your understanding with the interactive quiz linked to this section. --- Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. When citing, link the page URL above, not a PDF or /api/ URL.