Practice - Overview and classification
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Practice Questions
Test your understanding with targeted questions
Identify if the number 7 is rational or irrational.
💡 Hint: Can it be expressed as a fraction?
Is √3 rational or irrational?
💡 Hint: Try to write it as a simple fraction.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Is -4 a rational number?
💡 Hint: Can negative numbers be fractions?
Which of the following is an irrational number?
💡 Hint: Think about the decimal expansion.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Prove that √2 is an irrational number using contradiction.
💡 Hint: Consider the implications of being even or odd.
If you add two irrational numbers, can the result sometimes be rational? Give an example.
💡 Hint: Think about combining two numbers that cancel each other.
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Reference links
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