Grade 9th mathematics is one of the key subjects students often find a challenging world for them but as a student of mathematics one should always take interest in it and the rest will soon become easy. As a student of grade 9th mathematics you will come through the following important concepts of mathematics to strengthen your foundation of mathematics for future drive.
- Set
- System of Real Numbers
- Logarithms
- Algebraic Expressions
- Factorization, H.C.F., L.C.M., Simplification & Square Roots
- Matrices and Determinants
- Fundamental Concepts of Geometry
- Demonstrative Geometry
- Practical Geometry
Set
A set is a collection of distinct objects such as numbers, points, shapes, ideas etc.
System of Real Numbers
The real number system evolved over time by expanding the notion of what we mean by the word “number”. At first, “number” meant something you could count.
Logarithms
Logarithms help us in making very small and very big calculations easier. It was invented by a Muslim mathematician Abu Muhammad Musa Al-Kwarizmi. Later John Napier refined and developed it.
Algebraic Expressions
An expression containing variables and constants connected by basic algebraic operations of addition,subtraction,miltiplication and division is called algebraic expression.
