# Primary Mathematics

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This book focuses on primary school mathematics for students, whether children or adults. It is assumed that no calculators are used, to encourage mental arithmetic. A parallel project at Wikiversity is underway to provide teaching tools to parents and educators, whether in traditional or home-schooling environments, at Primary School Mathematics.

## Getting started[edit]

- Numbers
- Adding numbers
- Subtracting numbers
- Multiplying numbers
- Dividing numbers
- Factors and Primes
- Method for Factoring
- Negative numbers
- Fractions (rational numbers)
- Working with fractions
- Decimals
- Percentages
- Metric system
- Time expressions
- Unit expressions
- Introduction to significant digits
- Powers, roots, and exponents
- Scientific and engineering notation
- Average, median, and mode
- Probability