# Numbers: Decimals

Decimals are used to show numbers that are between two whole numbers. For example, 2.5 and 3.87.

## Quick tips for tutors

Decimals includes:

- The use of decimal place value and digits
- Decimals in different contexts
- How zero is used as a place holder and it’s importance
- Writing decimals in word and digit form
- Comparing the size of decimals
- Adding, subtracting, multiplying and dividing with decimals
- Approximations and rounding with decimals