1 - NUMBER SYSTEMS
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Practice Questions
Test your understanding with targeted questions
What is a natural number?
💡 Hint: Think about the numbers you use when you count objects.
Is zero a whole number?
💡 Hint: Consider how we start counting from one versus including zero.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following is a whole number?
💡 Hint: Remember the definition of whole numbers.
True or False: All integers are rational numbers.
💡 Hint: Think about fraction representations.
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Challenge Problems
Push your limits with advanced challenges
Prove that the number \( \sqrt{5} \) is irrational.
💡 Hint: Consider properties of prime numbers and their powers.
If there are a and b as rational numbers such that a = 1.5 and b = √2, determine whether a + b is rational.
💡 Hint: Look at the definition of rational and irrational numbers.
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