# Arithmetic and Geometric Series

> This section adds the terms of a sequence. A series is that sum: S_n is the sum of the first n terms. Paper 1 Number Patterns is about 25 marks. The information-sheet formulae are…

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## Full notes

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## More in Number patterns

- [Geometric Sequences](https://www.hlayiso.com/grade-12/mathematics/notes/number-patterns/geometric-sequences) — Previous section
- [All Number patterns sections](https://www.hlayiso.com/grade-12/mathematics/notes/number-patterns)

## Frequently asked questions

### What will I learn in "Arithmetic and Geometric Series"?

This section covers Arithmetic and Geometric Series as part of Number patterns 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 "Arithmetic and Geometric Series", are written against the official CAPS curriculum and ATP for Grade 12 Mathematics.

### What should I study after "Arithmetic and Geometric Series"?

Continue with the next section in Number patterns, or test your understanding with the interactive quiz linked to this section.

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