Practice Introduction - 1.1 | 1. Number Systems | CBSE 9 Mathematics
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Introduction

1.1 - Introduction

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

List three natural numbers.

💡 Hint: These are counting numbers starting from 1.

Question 2 Easy

Is 0 a natural number? Why or why not?

💡 Hint: Think about the definition of counting numbers.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which of the following is a natural number?

-1
0
3

💡 Hint: Think of counting numbers.

Question 2

Is \( \sqrt{4} \) rational or irrational?

True
False

💡 Hint: Consider the value of \\( \\sqrt{4} \\).

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Explain how both rational and irrational numbers can exist on the same number line.

💡 Hint: Visualize the number line between two rational numbers.

Challenge 2 Hard

Provide a number that fits each of the categories: natural number, whole number, integer, rational number, and irrational number.

💡 Hint: Think about each definition carefully.

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Reference links

Supplementary resources to enhance your learning experience.