1. Khan Academy: Known for its clear explanations and practice problems, Khan Academy offers a variety of lessons and exercises on radical numbers. You can find videos and practice problems on topics like simplifying radicals, multiplying and dividing radicals, and solving equations with radicals.
2. Mathway: This website provides step-by-step solutions to math problems, including those involving radical numbers. You can enter your problem and Mathway will show you how to solve it, making it a great resource for verifying your answers.
3. Symbolab: Similar to Mathway, Symbolab offers step-by-step solutions to math problems. It also has a graphing calculator feature that can be helpful for visualizing radical expressions.
4. Cuemath: Cuemath offers online math tutoring and practice problems. Their tutors can provide personalized guidance and help you understand the concepts of radical numbers.
5. IXL: IXL is a popular online math program that offers practice problems at different levels of difficulty. You can find exercises on simplifying radicals, solving equations with radicals, and more.
6. Your School's Online Resources: Many schools provide online resources or learning platforms for students. Check with your teacher or school library to see if they have any recommended websites or tools for math revision.