Last updated on Sep 21, 2026

Practice Problems (Junior Cert Mathematics): Quizzes

📚Quizzes

Revision Notes Model Answers Quizzes Flashcards Exam Questions

Practice Problems

Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

12 questions from this quiz

Show

What is $\sqrt{50}$ simplified?

$5\sqrt{2}$

What is $\sqrt{18}$ in simplified form?

$3\sqrt{2}$

What is $\sqrt{18} + \sqrt{8}$ simplified?

$5\sqrt{2}$

What is $\sqrt{3} \times \sqrt{12}$ ?

$6$

What is $\frac{\sqrt{75}}{\sqrt{3}}$ simplified?

$5$

What is $\sqrt{50} + \sqrt{18} - \sqrt{8}$ ?

$6\sqrt{2}$

Why is $25$ chosen when factorising $50$ for simplification?

$25$ is a perfect square

Why does $\sqrt{2}$ remain in $5\sqrt{2}$ ?

$2$ is not a perfect square

What is $\sqrt{8}$ simplified?

$2\sqrt{2}$

What is $\sqrt{36}$ ?

$6$

When adding $3\sqrt{2} + 2\sqrt{2}$ , what is combined?

The numbers in front of the surds

What is $\sqrt{25}$ ?

$5$

Explore Junior Cert Mathematics Revision Notes by Topics

Indices

The Basics

Surds

The Basics

Explore Junior Cert Mathematics Model Answers by Topics

Indices

The Basics

Surds

The Basics

Explore Junior Cert Mathematics Flashcards by Topics

Indices

The Basics

Surds

The Basics

Explore Junior Cert Mathematics Exam Questions by Topics

Indices

The Basics

Surds

The Basics

Join 100,000+ Junior Cert students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.