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This chapter teaches you how to solve algebraic equations by finding unknown values (represented by letters). You will learn systematic methods to solve equations, frame equations from real-life situations, and understand the historical development of algebra in ancient India. Find the Unknowns Unknown Weights We have a weighing scale that behaves as follows. The numbers

This chapter teaches you how to construct geometric figures using only a ruler and compass, including perpendicular bisectors, angle bisectors, parallel lines, and regular polygons. You will also learn about tiling patterns and how shapes can cover a plane without gaps or overlaps. Get free mind map from link below. Geometric Constructions Eyes Question: How

This chapter introduces you to statistics – the study of collecting, organizing, analyzing, and interpreting data. You will learn about statistical questions, representative values like mean and median, data visualization using dot plots and double bar graphs, and how to analyze real-world data patterns. Of Questions and Statements Understanding Statistical Thinking Examples of Statistical Statements

This chapter teaches you how to multiply and divide decimals using simple procedures that extend from counting numbers. You will learn rules, patterns, and real-life applications of decimal operations, points including non-terminating decimals and the Gregorian calendar system. A Quick Recap of Decimals Understanding Decimal Place Value Jonali and Pallabi’s Game Question: Jonali says a

This chapter explains how to find the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of numbers using prime factorisation. You will learn efficient methods, properties, patterns, and real-life applications of HCF and LCM. The Greatest of All Sameeksha’s Tile Problem Questions: How many tiles of this size should she purchase? What if Sameeksha

This chapter covers how to work with positive and negative numbers (integers) through addition, subtraction, multiplication, and division. You’ll learn patterns, rules, and real-life examples to make integer operations easier and more intuitive. Rakesh’s Puzzle: A Number Game First Number Second Number Sum Difference 10 15 25 -5 20 5 25 15 19 6 25

This chapter explains how to check if two shapes or triangles are exactly the same in size and shape (congruent). It covers definitions, methods, important properties, and practical examples. Introduction to Geometric Twins Examples of Congruence Questions & Answers CONGRUENCE OF TRIANGLES Congruence Condition:If triangle ABC has sides AB, BC, CA equal to triangle XYZ’s