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Variance Video
These <b>Science</b> and <b>Mathematics videos </b>Ideal for wall projection.
Learning made easy for any Concept you may have missed during normal class sessions.
We have;
<b>Biology Videos</b>
<b>Chemistry Videos</b>
<b>Physics Videos</b> and
<b>Mathematics Videos</b>. Welcome
<b>Mathematics Videos </b>
Place Value Of Numbers
Rounding Off Numbers
Factors
Divisibility Test
GCD
LCM
Integers And The Number Line
Operation Of Integers
Order Of Operations
Fractions – Introduction
Proper Improper And Mixed Fractions
Equivalent Fractions
Comparing Fractions
Fractions In Ascending and Descending Order
Addition Of Fractions
Multiplication Of Fractions
Division Of Fractions
Order Of Operations On Fractions
Word Problems Involving Fractions
Fractions And Decimals
Recurring Decimals
Decimal Places
Operations On Decimals And Problems Involving Decimals
Finding Squares By Multiplication
Squares From Tables
Square Root By Factorization
Square Roots Of Fractions
Square Roots Of Numbers Less Than 1 And Greater 100 From Tables
Algebraic Expressions
Terms Coefficients Variables And Constants
Simplification Of Algebraic Expressions
Algebraic Fractions
Substitution and Evaluation
Rates
Ratio
Proportions
Change In a Given Ratio
Direct Proportion
Inverse Proportions
Percentages
Percentage Change
Units Of Length And Conversion Of Units Of Length
Significant Figures
Perimeter
Units Of Area And Conversion Of Units Of Area
Area Of A Rectangle And A Square
Area Of A Triangle Parallelogram And Trapezium
Area Of A Circle
Surface Area Of Solids
Area Of Irregular Plane Shapes
Capacity
Mass Density And Weight
Units Of Time
The 12 And 24 Hour Systems
Travel Timetables
Linear Equations In One Unknown
Simultaneous Linear Equations In Two Unknowns elimination Method
Simultaneous Linear Equations In Two Unknowns substitution Method
Currency
Currency Conversion and Exchange Rates
Profit and Loss
Discount and Commission
Co-ordinates and Graphs
Types Of Angles
Angles On a Straight Line Angles at a Point and Angles on a Transverse
Angle Properties Of Polygons
Quadrilaterals
Other Polygons
Geometrical Constructions
Scale Diagrams
Bearings And Distances
Angles Of Elevation And Depression
Simple Surveying Techniques
Common Solids, Cubes Cuboids Pyramids Prisms Cones And Spheres
Nets Of Solids
Sketching Nets Of Solids
Surface Area Of Solids From Nets
Distance Between Two Points On The Surface Of A Solid
Cubes Of Numbers And By Multiplication
Cubes From Tables
Cube Roots
Introduction To Reciprocals
Reciprocals Of Numbers From Tables
Computation Using Reciprocals
Introduction To Indices And Laws Of Indices
Zero And Negative Indices
Fractional Indices
Logarithm Tables
Logarithms Of Numbers Less Than 1 Or Greater Than 10
Antilogs
Gradient Of Straight Line
Equation Of Straight Line
The Graph Of A Straight Line
Representation Of Data-pictogram Bar Graph
Representation Of Data- Line Graph
Representation Of Data-histogram Frequency Polygon
Statistical Measures
Mean Median Of Grouped Data
Arc, Chord And Segment
Angles Subtended By The Same Arc At The Circumference
Angle In Semicircle
Angle Properties Of A Cyclic Quadrilateral
Introduction To Vectors
Multiplication Of A Vector By A Scalar
Position Vectors
Magnitude Of A Vector
Midpoint Of A Vector
Distance-time Graph
Relative Speed
Intro Frequency Distribution Tables – Ungrouped Data
Frequency Distribution Tables (grouped Data)
Factorization Of Quadratic Expressions
Completion Of The Square
Solution Of Quadratic Equations By Completing The Square
Solution Of Quadratic Equations Using The Formula
Graphs Of Quadratic Functions
Graphical Solution Of Quadratic Equation
Graphical Solution Of Simultaneous Equations
Further Graphical Solutions
Computing Using Calculators
Estimations And Approximations
Accuracy And Errors Absolute Relative Percentage
Propagation Of Errors
Errors In Multiplication And Division
2nd Quadrant
3rd Quadrant
4th Quadrant
Trigonometric Ratios From The Unit Circle
Trigonometric Ratios Greater Than 360 Degrees And Negative Angles
Use Of Calculators
Radian Measure
The Sine Curve
The Cosine Curve
The Tangent Curve
The Sine Rule
The Cosine Rule
Rational And Irrational Numbers – Surds
Simplification Of Surds
Multiplication And Division Of Surds
Addition And Subtraction Of Surds
Further Logarithms
The Laws Of Logarithms
Logarithms Equations And Expressions
Change Of Base
Commercial Arithmetic (ii)
Compound Interest
Appreciation And Depreciation
Sequences And Series
The nth Term Of Geometric Sequence
Arithmetic Progression (A.P) – Series
Geometric Series Or Geometric Progression
Coordinates In Two And Three Dimensions
Column And Position Vectors In Three Dimensions
Unit Vectors In Three Dimensions
Parallel Vectors And Collinearity
Collinearity Example
Proportional Division Of A Line And Ratio Theorem
Vector Methods In Geometry
Binomial Expansion Up To Power Four
Pascal’s Triangle
Coefficient Of Terms In Binomial Expansion
Evaluation Of Numerical Cases Using Binomial Expansion
Experimental Probability
Theoretical Probability
Continuous Sample Space
Combined Events Mutually Exclusive Events
Combined Events Independent Events
The Tree Diagram
Compound Proportions
Continued Proportions
Proportional Parts
Rates Of Work
Mixtures
Graphs Of Cubic Equations
Graphical Solutions Of Cubic Equations
Average Rate Of Change
Instantaneous Rate Of Change
Empirical Graphs
Reduction of Non Linear Laws To Linear Laws
Equation Of A Circle
Identification Of Transformation Matrix
Identification Of Transformation Matrix Example
The Unit Square
Examples On Using The Unit Square
Successive Transformations
Single Matrix Of Transformation For Successive Transformations
Inverse Of A Transformation
Area Scale Factor And Determinant Of A Matrix
Shear And Stretch
Matrices Representing Shear
Stretch
Matrices Representing Stretch
Mean From Assumed Mean
Mean From Assumed Mean Example
Mean For Grouped Data Using Assumed Mean Method
Estimating The Median
Quartiles
Quartiles Example
Deciles And Percentiles
Cumulative Frequency Curve
Measures Of Dispersion
Mean Absolute Deviation
Variance
Variance Example
Variance Of Grouped Data
Standard Deviation
Comprehensive Example
Common Types Of Loci
Locus Of A Point At A Given Distance From A Given Line
Locus Of A Point Equidistant From Two Intersecting Lines
Locus Of A Point At A Given Distance From A Given Point
Constant Angle Loci
Intersecting Loci
In Circle
Escribed Circle
Loci Of Inequalities
Loci Involving Chords
Trigonometric Ratios
Trigonometric Identities 2
Proof Of Trigonometric Identities
Graphs Of Trigonometric Functions
Graphs Of Trigonometric Functions Example 1
Graphs Of Trigonometric Functions Example 2
Graphs Of Trigonometric Functions Example 3
Transformation Of Waves
Solving Trigonometric Equations
Solving Trigonometric Equations example 2
Solving Trigonometric Equations Graphically
Geometric Properties Of Common Solids
Angle Between A Line And A Plane
Angle Between Two Planes
Skew Lines
Latitude And Longitude Great And Small Circles
Latitudinal Difference Between Latitudes on Different Hemispheres
Longitudes
Longitudinal Difference
Longitudes And Time
Distance Between Places On The Earth Surface Example
Distance Between Places On The Earth Surface
Distances Along Latitudes
Speed In Knots And Kilometers Per Hour
Formation Of Linear Inequalities
Optimisation
Gradient Of A Curve At A Point
Gradient Of Y=x^n Where N Is A Positive Integer
Delta Notation
Derivative Of A Polynomial
Equations Of Tangents And Normals To The Curves
Equations Normals To The Curve examples
Stationery Points
Curve Sketching
Curve Sketching Example 2
Application Of Differentiation In Calculation Of Distance Velocity And Acceleration
Maxima And Minima
Area Approximation
Trapezoidal Rule
Applying Three Trapezoidal Rule In Estimating Area
Mid Ordinate Rule
Area By Trapeziodal Rule And Mid Ordinate Rule
Summary Of Differentiation
Integration Process
Examples Of Integration
Determining The Value Of The General Constant
Indefinite And Definite Integrals
Area Under A Curve By Integration
Area Under A Curve By Integration example 3
Area Under A Curve By Integration example 4
Application In Kinematics
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