Surds

Simplify numerical square and cube root expressions

Simplify surd expressions involving powers or algebraic terms

Add and subtract numerical surds

Add and subtract algebraic surds

Multiply numeric surds

Multiply algebraic surds

Divide numeric surds

Divide algebraic surds

Simplify negative square and cube roots

Surds and binomial expansions

Conjugates and surds

Rationalise the denominator

Use a calculator for surds

Evaluate expressions involving numerical roots

United Kingdom England

Key Stage 4

Simplify numerical square and cube root expressions

Interactive practice questions

Simplify $\sqrt{25}$√25.

Easy

< 1min

Simplify $3\sqrt{81}$3√81.

Easy

< 1min

What is the largest square number that divides exactly into $75$75?

Easy

1min

Consider the expression $\sqrt{19}$√19.

Easy

< 1min

What is Mathspace

About Mathspace