Algebraic Expressions and Identities – Quick Notes Class 8 1. Algebraic Expressions An algebraic expression contains variables, constants, and arithmetic operations. Examples: 3x+53x + 53x+5, 2a2−3b+72a^2 - 3b + 72a2−3b+7…
Comparing Quantities – Quick Notes (Class 8 NCERT) Definition: Comparing quantities means analyzing how one quantity relates to another using percentages, ratios, or proportions. Applications: Profit & Loss, Simple Interest,…
Cubes and Cube Roots – Quick Notes (Class 8 NCERT) Cube of a Number Definition: The cube of a number nnn is the number multiplied by itself three times: n3=n×n×nn^3…
Squares and Square Roots – Quick Notes Square of a Number Definition: The square of a number nnn is the number multiplied by itself. n2=n×nn^2 = n \times nn2=n×n Examples:…
Data Handling – Quick Notes Definition: Data handling is the process of collecting, organizing, and interpreting data to draw meaningful conclusions. Data can be qualitative (descriptive) or quantitative (numerical). Representing…
Understanding Quadrilaterals – Quick Notes Definition: A quadrilateral is a polygon with four sides and four angles. The sum of the interior angles of a quadrilateral is always: (4−2)×180∘=360∘(4-2) \times…
Linear Equations in One Variable – Quick Notes Definition: A linear equation in one variable is an equation that can be written in the form:ax+b=0ax + b = 0ax+b=0 Where:…
Class 8 Maths Notes Rational Numbers Linear Equations in One Variable Understanding Quadrilaterals Data Handling Squares and Square Roots Cubes and Cube Roots Comparing Quantities Algebraic Expressions and Identities Mensuration Exponents…
A rational number is any number that can be expressed in the form:pq,p∈Z, q∈Z, q≠0\frac{p}{q}, \quad p \in \mathbb{Z}, \; q \in \mathbb{Z}, \; q \neq 0qp,p∈Z,q∈Z,q=0 Here, ppp = numerator, qqq…
Probability – Class 11 Maths (NCERT Based) The chapter Probability introduces students to the mathematical study of chance and uncertainty. It is essential for understanding random experiments, statistics, and real-life…