# Maths - Surds

> Source: https://ollybritton.com/notes/a-level/maths/topics/surds/ · Updated: 2020-09-23 · Tags: maths, school, year-1

##### What are integers??
All numbers without a fractional component.

##### What are numbers without a fractional component called??
Integers.

##### What are rational numbers??
Numbers that can be written in the form $\frac{a}{b}$.

##### What are numbers that can be written as $\frac{a}{b}$ called??'
Rational numbers.

##### What are irrational numbers??
Non-recurring decimals.

##### What are non-recurring decimals called??
Irrational numbers.

##### What are real numbers??
Rational and irrational numbers.

##### What the term for rational and irrational numbers??
Real numbers.

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