The Number System in Class 9 is a fundamental topic in Mathematics that helps students build a strong base for advanced math concepts in higher classes. This class is designed for students to understand different types of numbers and how they are used in real life. It is suitable for students who are beginning their high school math journey.
In this class, students will learn about natural numbers, whole numbers, integers, rational and irrational numbers, and real numbers. They will explore concepts such as number line representation, laws of exponents for real numbers, and simplifying expressions using these laws. The class will also teach how to compare and order real numbers, and how to convert recurring decimals into fractions.
Note:
To be fully prepared for this class, students should bring a geometry box that includes essential tools like a pencil, sharpener, eraser, ruler (scale), compass, divider, and a protractor (D). These tools are often needed for diagrams and precise measurements. Regular practice, neat work, and attention to detail will help students succeed in this topic.