Class 8 Maths Part 1 Chapter 2, Power Play, starts with a thought experiment: folding a 0.001 cm sheet of paper 46 times makes a stack thick enough to reach the Moon! From there it develops exponential notation, laws of exponents, negative exponents and scientific notation. What Class 8 Maths Chapter 2 Covers 2.1 Experiencing … Read more
Class 8 Maths Part 1 Chapter 3, A Story of Numbers, follows Reema’s discovery of 4,000-year-old Mesopotamian symbols to trace how humanity invented counting, bases and place-value number systems culminating in the Hindu number system. What Class 8 Maths Chapter 3 Covers 3.1 Mechanism of Counting and 3.2 Early Number Systems explore one-to-one correspondence, body-part … Read more
Class 8 Maths Part 1 Chapter 4, Quadrilaterals, begins with a carpenter’s problem—how to build a rectangular frame using diagonal strips—and uses geometry and congruence to deduce the properties of rectangles, squares, parallelograms, rhombuses, kites and trapeziums. What Class 8 Maths Chapter 4 Covers 4.1 Rectangles and Squares and 4.2 Angles in a Quadrilateral use … Read more
Class 8 Maths Part 1 Chapter 5, Number Play, uses algebra, parity and remainders to explore sums of consecutive numbers, ‘Always, Sometimes, or Never’ conjectures, divisibility shortcuts for 3, 9 and 11, digital roots and cryptarithm puzzles. What Class 8 Maths Chapter 5 Covers 5.1 Is This a Multiple Of? investigates sums of consecutive numbers, … Read more
Class 8 Maths Part 1 Chapter 6, We Distribute, Yet Things Multiply, shows how the distributive property connects arithmetic and geometry to algebraic multiplication of binomials and the standard algebraic identities. What Class 8 Maths Chapter 6 Covers 6.1 Some Properties of Multiplication examines how a product ab changes when a and b are incremented, … Read more