1: Knowing Our Numbers
This chapter introduces large numbers, place value, comparing and ordering numbers, and estimation.
Learn
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Introduction: Numbers up to Crores : English -
Comparing and ordering numbers, and estimation : English
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Introduces large numbers, place value : Hindi
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Comparing and Ordering Numbers : Hindi
Up next for you:
Practice rounding off numbers to the nearest hundreds.
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Not started2: Whole Numbers
This chapter defines whole numbers, their properties, and operations on them, including number line representation.
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Introduction to Whole Numbers : English
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The Number Line : English
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Properties of Whole Numbers (Closure, Commutativity, Associativity, Distributivity) : Hindi
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Patterns in Whole Numbers : Hindi
Up next for you:
Applying distributive property for quick calculations.
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Not started3: Playing with Numbers
This chapter deals with factors, multiples, prime and composite numbers, divisibility tests, HCF, and LCM.
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Factors and Multiples : English
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Prime and Composite Numbers : English
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Divisibility Rules : Hindi
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HCF and LCM (Prime Factorisation Method) : Hindi
Up next for you:
Finding the LCM of three given numbers.
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Not started4: Basic Geometrical Ideas
This chapter introduces fundamental geometrical concepts like points, lines, angles, polygons, and circles.
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Points, Lines, Line Segments, Rays : English
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Angles and their Types : English
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Polygons (Triangles, Quadrilaterals) : Hindi
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Circles (Radius, Diameter, Chord, Arc, Sector) : Hindi
Up next for you:
Identifying different parts of a circle.
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Not started5: Understanding Elementary Shapes
This chapter explores different types of angles (acute, obtuse, right, straight, reflex) and classifies triangles and quadrilaterals.
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Measuring Angles (Protractor) : English
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Types of Angles (Right, Straight, Acute, Obtuse, Reflex) : English
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Types of Triangles (Scalene, Isosceles, Equilateral; Acute, Right, Obtuse) : Hindi
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Types of Quadrilaterals (Square, Rectangle, Rhombus, Parallelogram, Trapezium) : Hindi
Up next for you:
Identifying angles in real-life objects.
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Not started6: Integers
This chapter introduces negative numbers, integers, their representation on a number line, and operations (addition, subtraction) with integers.
Learn
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Introduction to Negative Numbers and Integers : English
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Integers on a Number Line : English
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Addition and Subtraction of Integers : Hindi
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Properties of Integer Operations : Hindi
Up next for you:
Solving integer problems using the number line.
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Not started7: Fractions
This chapter covers the concept of fractions, proper, improper, and mixed fractions, equivalent fractions, and operations on fractions.
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Introduction to Fractions : English
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Proper, Improper, and Mixed Fractions : English
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Equivalent Fractions : Hindi
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Addition and Subtraction of Fractions : Hindi
Up next for you:
Converting mixed fractions to improper fractions.
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Not started8: Decimals
This chapter introduces decimals, their place value, conversion between fractions and decimals, and operations on decimals.
Learn
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Introduction to Decimals : English
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Place Value of Decimals : English
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Converting Fractions to Decimals and Vice Versa : Hindi
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Addition and Subtraction of Decimals : Hindi
Up next for you:
Adding decimals with different number of decimal places.
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Not started9: Data Handling
This chapter introduces methods of collecting, organizing, and representing data, including pictographs and bar graphs.
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Collection and Organization of Data : English
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Pictographs (Reading and Drawing) : English
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Bar Graphs (Reading and Drawing) : Hindi
Up next for you:
Interpreting information from a given bar graph.
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Not started10: Mensuration
This chapter deals with calculating the perimeter and area of various plane figures like rectangles, squares, and other irregular shapes.
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Perimeter of Rectangle, Square, and Irregular Figures : English
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Area of Rectangle and Square : English
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Area of Irregular Shapes (Counting Squares) : Hindi
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Practical Applications of Perimeter and Area : Hindi
Up next for you:
Calculating the area of a room to determine tiling cost.
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Not started11: Algebra
This chapter introduces the concept of variables, expressions, equations, and solving simple equations.
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Introduction to Algebra (Variables and Constants) : English
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Algebraic Expressions : English
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Equations (LHS = RHS) : Hindi
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Solving Simple Equations : Hindi
Up next for you:
Framing algebraic expressions for given statements.
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Not started12: Ratio and Proportion
This chapter introduces the concepts of ratio and proportion, including finding equivalent ratios and solving problems using unitary method.
Learn
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What is Ratio? (Comparison by Division) : English
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Equivalent Ratios : English
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Proportion (Equality of Two Ratios) : Hindi
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Unitary Method : Hindi
Up next for you:
Solving word problems involving ratios.
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Not started13: Symmetry
This chapter introduces the concept of symmetry, lines of symmetry, and reflective symmetry in various figures.
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Introduction to Symmetry : English
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Lines of Symmetry for Regular and Irregular Polygons : English
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Mirror Reflection (Symmetry in Daily Life) : Hindi
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Symmetry in Alphabet and Figures : Hindi
Up next for you:
Drawing lines of symmetry for given shapes.
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Not started14: Practical Geometry
This chapter focuses on the use of geometrical instruments to construct lines, angles, and basic geometrical figures.
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Introduction to Geometrical Instruments (Ruler, Compass, Protractor, Set-Squares) : English
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Construction of a Line Segment : English
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Construction of a Circle : Hindi
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Construction of Perpendicular and Parallel Lines : Hindi
Up next for you:
Constructing an angle of 90 degrees using compass and ruler.
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Not started