Class 8 Mathematics – Quadrilaterals 1. Introduction A quadrilateral is a polygon with four sides and four angles. The sum of all interior angles of a quadrilateral is always 360°. Quadrilaterals...
Class 8 Mathematics – Exponents and Powers 1. Introduction Exponents (or powers) are a way to represent repeated multiplication of the same number. The base is the number being multiplied,...
1. Introduction Rational numbers are numbers that can be expressed as the ratio of two integers, where the denominator is not zero. Examples: numbers like 1/2, -3/4, 5, 0. 2. Properties...
Class 8 Science – Force and Pressure 1. Introduction Force is a push or pull on an object that can change its state of motion or shape. Forces are everywhere – from pushing a door...