1.2 - Key Sets
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Practice Questions
Test your understanding with targeted questions
List three integers.
💡 Hint: Think of numbers without fractions.
What is a rational number?
💡 Hint: Remember the format p/q.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following is an integer?
💡 Hint: Look for whole numbers among the options.
True or False: All integers are also rational numbers.
💡 Hint: Consider how integers relate to fractions.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Explain why there are infinitely many rational numbers between any two given rational numbers.
💡 Hint: Try using the average or creating fractions in between!
Demonstrate using a proof that the sum of two irrational numbers is not necessarily irrational (Example: √2 + (-√2)).
💡 Hint: Think about combinations leading to whole numbers or zero.
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