Rational numbers

Can be written as a fraction or whole number and has a pattern of repeating decimals and can be positive or negative

Irrational numbers

Cannot be written as a fraction or whole number and has decimals that don't repeat and never end

Surds

A specific type of irrational number that involves a root (square root, cube root, etc.) it cannot be simplified as a whole number or fraction

Square root of 17

Irrational number

Square root of 9

Rational number

Square root of 5

Irrational number

Square root of 3

Irrational number

Square root of 16

Rational number

Square root of 25

Rational number

Square root of 8

Irrational number