CBSE Class 8 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
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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Rational no between rational numbers
Finding rational numbers between two given rational numbers using LCM and a...
Linear Equations in One Variable
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Solving Linear Equations
Systematic and transposition method of solving linear equations in one vari...
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Application of linear equations
Solution of word problems on numbers, digits and fractions
Understanding Quadrilaterals
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Quadrilaterals
Definition, elements, angle sum property, classification of quadrilaterals
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Properties of parallelograms
Side,angle and diagonal relations of parallelograms. Types of parallelogram...
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Polygons and their Classification
Polygons, their classification as regular/irregular, polygons in real life,...
Practical Geometry
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Construction of Rhombus
Construction of rhombus given side and angle, both diagonals
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Construction of squares and rectangles
construction of square given side and diagonals,construction of rectangles
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Construction of quadrilaterals
Construction of quadrilateral when 4 sides and one diagonal are given,
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Construction of quadrilaterals given its sides and angl ...
Construction of quadrilaterals when their 2 sides 3 angles are given ,when ...
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Construction of Parallelogram
Construction of parallelograms, given adjacent sides and the included angle...
Data Handling
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Bar Graphs and Histograms
bar graph, histogram their interpretation,comparison of the two
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Frequency distribution
Tally marks,continuous classes,frequency,class size
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Probability
Outcomes, events and sample space associated with an experiment, probabilit...
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Pictographs
Organizing data, pictographs, interpretation of pictographs.
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Pie Chart
Meaning of pie chart, analysing pie charts, drawing pie charts
Squares and Square Roots
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Estimating Square roots
Estimating Square root of a number using the square roots of known numbers
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Finding Square roots
Finding square roots using prime factorization method,using long division m...
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Applications of Squares and square roots
Finding the number which upon adding or subtracting gives a perfect square...
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Patterns in square numbers
Patterns to find the square of some standrad numbers, Pythagorean triplet...
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Square and Triangular Numbers
square numbers, properties of square numbers,triangular numbers, addition...
Cubes and Cube Roots
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Comparing Quantities
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Sales Tax
Computation of sales tax and VAT
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Compound Interest
Calculation of compound interest using the amount formula
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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...
Algebraic Expressions and Identities
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Algebraic Identities
Graphical and algebraic interpretation of (a+b)^2,(a-b)^2 and a^2-b^2
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Expansion using algebraic Identities
Expansion of algebraic expressions using identities.
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Introduction to Algebraic Expressions
Definition of constant, variable, algebraic expression, monomial, binomial,...
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Multiplication of Polynomials
Multiplying a binomial by a binomial, multiplying a binomial by trinomial
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Addition and Subtraction of Algebraic Expressions
This topic covers addition and subtraction of polynomials and simplifying e...
Visualising Solid Shapes
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3D Shapes
Introduction of 3D shapes like cone, cylinder, sphere and pyramid, parts of...
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3D Objects
3D Objects
Mensuration
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Surface Area: Cubes and Cuboids
cubes and cuboids, finding their surface area
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Area of Quadrilaterals
Finding area of quadrilaterals
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Surface area and volume of cylinder
Generation of cylinder Finding the surface are and volume of cylinder
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Volume: Cubes and Cuboids
Finding the volume of cubes and cuboids.
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Area of Polygonal Regions
Area of Polygonal Regions
Exponents and Powers
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Numbers in standard form
Exponents and Powers: Number in standard form
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Exponent Notation
Meaning of exponent notation: negative and positive exponents,Law of indice...
Direct and Inverse Proportions
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Direct Proportions
Meaning of direct proportions, condition when two quantities vary directly,...
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Inverse Proportions
Inverse Proportions
Factorisation
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Introduction to Factorisation
Meaning of factoring an algebraic expansions, factorization by taking commo...
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Division of Polynomials
Dividing monomial by monomial, dividing binomial by monomial and binomial, ...
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Factorisation using identities
Factorising the polynomials using standrad identities
Introduction to Graphs
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Introduction to Coordinate System
Introduction to Coordinate System
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Some Common Linear Graphs
To draw some common linear graphs like quantity cost, principal and SI, dis...
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Plotting Linear Graphs
Dependent and independent variables, drawing the linear graphs and solved p...
Playing With Numbers
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Games with Numbers
General form of a two digit and three digit number, games with two digit nu...
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Divisibility Rules
Divisibility by 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 14 and 15
