CBSE Class 7 Maths Videos
Free Videos
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Work & days
This video covers an application on work and time
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Heredity and Evolution
Heredity and Evolution, Heredity and Variation
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Spherical lens and its power
This video describes the way to solve problems based on lens formula to cal...
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Refraction through lens
This video describes nature of image formed by partly covered lens
Integers
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Introduction to Integers
Review of counting and whole numbers, evolution of integers, integers in re...
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Multiplication of integers
Multiplication of positive and a negative integers, Multiplication of two n...
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Division of integers
Division of integers, Properties of division of integers, Division by zero
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Properties of Addition and Subtraction of integers
Closure property under addition, closure property under subtraction, Commut...
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Integers
Integers, Properties of Multiplication and Division of Integers
Fractions and Decimals
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Introduction to Fractions
This video explains the concepts of types of fractions : Unit fractions, Li...
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Addition of Fractions
This video explains the concepts of addition of fractions with same denomin...
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Addition and subtraction of decimals
Addition of decimal numbers, subtraction of decimal numbers, word problems ...
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Introduction to Decimal Numbers
This video explains the concepts of decimal numbers, decimals as fractions ...
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Division of Fractions
This video explains the concepts of division of a fraction by whole number,...
Data Handling
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Introduction to Probability
Random experiments, outcomes of an experiment,events, favorable events,prob...
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Arithmetic Mean
This video explains the concept of Mean or Average of the given observation...
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Collection and classification of data
This video explains the concept of Data, Ways of Data Collection and Classi...
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Organising and Representing data
Organising and presenting data in textual format ,tabular format
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Double bar graphs
Meaning of double bar graphs, analysing double bar graphs, drawing double b...
Simple Equations
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Solving Simple Equations
Solution of Simple linear equations in one variable using hit and trail and...
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Application of linear equations
Solution of word problems on numbers, digits and fractions
Lines and Angles
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Pair of Lines
parallel lines, transversals,corresponding angles, alternate angles,cointer...
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Pair of Angles
This video explains the concepts of adjacent angles, linear pair of angles,...
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Types of Angles
Acute ,obtuse,right and straight angles,complementary and supplementary ang...
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Problems on Lines and Angles
problems based on the concept of corresponding angles alternate angles
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Lines and Angles
Lines and Angles, Introduction to Lines and Angles
The Triangle and Its Properties
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Angle Sum Property of a Triangle
Sum of the interior angles of a triangle, problems based on angle sum prope...
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Inequality Relations in Triangles
This video explains the concept of an Isosceles Triangle, Inequality Relati...
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Altitude and median of triangle
Definition of altitude and median of triangle, concurrency of altitude and ...
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Pythagoras Property
Pythagoras property relating sides of a triangle,converse of this property
Congruence of Triangles
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Congruence Criteria
This video covers various congruence criteria like, ASA, SAS, SSS, RHS of t...
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Congruence of Figures
This video covers Concept of congruence, congruence of geometrical figures ...
Comparing Quantities
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Percentage
Finding percentage, applications of percentage
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Application of Percentage
Word problems involving percentage,using percentage to compute simple inter...
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Ratio of Quantities
Concept of ratio, comparison of ratios, equivalent ratio, simplifying ratio...
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Profit and Loss
Meaning of cost price, selling price, profit & loss, applications of percen...
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Comparing Quantities
Comparing Quantities, Introduction to Percentages
Rational Numbers
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Representation on Number Line
Representing rational numbers with 2,3,4,5 and 7 as denominator on number l...
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Introduction to Rational Numbers
Evolution of rational numbers,difference between fraction and rational numb...
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Multiplication and Division of Rational Numbers
Multiplication and division of a rational number by whole number, multipl...
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Addition and Subtraction of Rational Numbers
Addition and subtraction of like and unlike fraction, basic problems on a...
Practical Geometry
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Construction of Parallel Lines
Construction of parallel lines using ruler and compass, setsquare
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More on Construction of Triangles
Construction of triangle given - the lengths of its three sides, - the leng...
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Construction of triangles
Construction of triangles
Perimeter and Area
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Area of Parallelograms
Definition of a parallelogram, properties of parallelogram, area of paralle...
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Area of Triangles
Definition of area, area of triangle, area of equilateral triangle
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Perimeter of Polygons
This video explains how to find perimeter of squares, rectangles, triangles...
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Perimeter and Area of Circles
Understand how to find perimeter and area of a circle
Algebraic Expressions
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Introduction to Algebraic Expressions
Definition of constant, variable, algebraic expression, monomial, binomial,...
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Addition and Subtraction of Algebraic Expressions
This topic covers addition and subtraction of polynomials and simplifying e...
Exponents and Powers
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Exponent Notation
Meaning of exponent notation: negative and positive exponents,Law of indice...
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Introduction to Exponents
Definition of exponent, base, Exponential representation of a number
Symmetry
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Problems on Symmetry
Problems based on line symmetry and rotational symmetry
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Rotational Symmetry
Symmetry due to rotation; Angle of rotation; Lines of symmetry and order of...
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Line Symmetry
Symmetrical figures, definition of line of symmetry, line of symmetry in eq...
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Reflectional symmetry
Definition of reflection symmetry, axis of symmetry, reflection of a point ...
Visualising Solid Shapes
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Viewing different sections of a solid
Cross sections of 3D objects, shadows of 3D objects, different views of sol...
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Plane and solid figures
Understanding plane and solid shapes, identify faces, vertices & edges of s...
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Sketches of solids
Identifying and drawing Isometric and Oblique sketch, visulaising solid obj...
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Nets for building 3D shapes
Nets for building 3D shapes
