Practice Chapter Summary (7) - Introduction to Number Systems - CBSE Class 9 Maths
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Chapter Summary

Practice - Chapter Summary

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

List two examples of natural numbers.

💡 Hint: Start counting from 1.

Question 2 Easy

Identify if 0 is a natural number.

💡 Hint: Consider the starting point of counting.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which set includes zero?

Natural Numbers
Whole Numbers
Integers

💡 Hint: Think about the first counting number.

Question 2

True or False: All integers are whole numbers.

True
False

💡 Hint: Consider the definitions of these sets.

3 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If x is a rational number, give an example of an irrational number that is greater than x.

💡 Hint: Consider well-known irrational numbers.

Challenge 2 Hard

Show how decimal expansions help identify rational vs irrational numbers using 1/3 and √3.

💡 Hint: Compare their decimal representations.

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Reference links

Supplementary resources to enhance your learning experience.