**1. Determinants**

**Description:** This web link contains a research paper on Short History on Determinant of a Matrix by Babarinsa Olayiwola.

**Core Concepts:** Short History of Determinant of a Matrix.

**Link: **PDF of Research paper on Short History on Determinant of a Matrix

**Description:** This web link contains the importance of learning determinants, the utility and scope of learning determinants.

**Core Concepts:** Scope of Determinants.

**Link: **Webpage on Determinant with FAQ to scopes of Learning

**Description:** The web link contains a video explaining the symbol of the determinant of a matrix, applications of the determinant of a matrix and only square matrices have a determinant.

**Core Concepts:** Concepts on Determinants.

**Link: **Video on Concepts on Determinants

**Description:** This web link to the video contains calculating determinants of order 2 explaining the solving procedures, its steps and methods.

**Core Concepts:** Determinants of Order 2.

**Link: **Video on Determinants of Order 2

**Description:** This web link to the video of the determinant of a 3x3 matrix, how to find the determinant of a matrix and steps to find the determinant of a 3x3 matrix.

**Core Concepts:** Determinants of Order 3.

**Link: **Video on Determinants of Order 3

**Description:** This web link to the video explains finding minor and cofactor determinants, the difference between minor and cofactor.

**Core Concepts:** Minor and cofactor of determinants .

**Link: **Video on Minor and cofactor of determinants

**Description:** These web links explain how to solve a system of equations in two variables using Cramer's rule.

**Core Concepts:** Solving a system of equations using Cramer’s rule for two variables.

**Links: **

**Video on Applying Cramer's rules for two variables 1**- Video on Applying Cramer's rules for two variables 2

**Description:** This web link explains how to solve a system of equations in three variables using Cramer's rule.

**Core Concepts:** Solving a system of equations using Cramer’s rule for three variables.

**Link: **Video on applying Cramer's rules for three variables

**Description:** This link is the sharing of the flow chart on the condition of consistency, its procedures and steps.

**Core Concepts:** Conditions of consistency.

**Link: **Flow chart of Condition of consistency

**Description:** This web link to the video shares the application of determinants in the area of polygons.

**Core Concepts:** Finding the area of a triangle.

**2. Logarithms**

**Description:** This web link to the video explains how they invented logarithms.

**Core Concepts:** Introduction on logarithm.

**Link: **Video on how Logarithms was invented

**Description:** This web link to the web page contains the applications of Logarithms.

**Core Concepts:** Applications of Logarithms.

**Link: **Web page on applications of logarithms

**Description:** This web link to the web page contains a quiz on powers and exponents exploration on exponents laws and their relation with the logarithm.

**Core Concepts:** Logarithm and exponents laws.

**Link: **We page quiz on powers and exponents

**Description:** This web link to videos contains the definition of a logarithm and how to convert between exponential notation and logarithmic notation.

**Core Concepts:** Logarithm - Definition and conversion.

**Link: **Video on the definition of logarithm

**Description:** This web link to the web page contains the differences between logarithms and natural logarithms with examples.

**Core Concepts:** Difference between Logarithms and Natural logarithms.

**Link: **Web page on the difference between logarithms and natural logarithms

**Description:** This web link to the video contains logarithms - changing of base.

**Core Concepts:** Logarithms - Change of base.

**Links: **

**Description:** This web link to the video contains properties of logarithms: Power rule, Quotient rule and the product with examples.

**Core Concepts:** Difference between Logarithms and Natural logarithms.

**Link: **Video on Laws of logarithms

**Description:** These web links to the videos contain the proof of the properties of logarithms and its importance in calculating the logarithm functions.

**Core Concepts:** Properties of logarithms.

**Links: **

**Video on proof of product and quotient rule of log**- Video of practising questions on logarithmic properties

**Description:** This web link to the video contains the use of logarithms in a real-life situation.

**Core Concepts:** Application of logarithms.

**Link: **Video on real-life application of logarithms

**Description:** This web link to the video contains an exponential decay word problem as an example of the use of logarithms in real-life situations.

**Core Concepts:** Application of logarithms - exponential decay.

**3. Complex Numbers**

**Description:** This web link to the web page contains an Introduction and a brief history of complex numbers.

**Core Concepts:** Introduction to complex numbers.

**Link: **Web page on an introduction and brief history of a complex number

**Description:** These web links to the videos contain the Backstory of complex numbers.

**Core Concepts:** Introduction to complex numbers.

**Links: **

**Description:** This web link to the web page contains complex numbers and their applications.

**Core Concepts:** Complex numbers and their application.

**Link: ** Video on complex numbers and their application

**Description:** This web link to the video contains the introduction to imaginary numbers, explaining how they differ from real numbers and why there was a need to discover them.

**Core Concepts:** Introduction to imaginary numbers.

**Link: **Video on introduction to imaginary number

**Description:** This web link to the video contains the operating powers of imaginary numbers.

**Core Concepts:** Operating powers of i (imaginary number).

**Link: **Video on calculating powers of i

**Description:** This web link to the web page contains the concept of complex numbers with examples and procedures for solving real and complex numbers.

**Core Concepts:** Concept of complex numbers.

**Link: **Web page on Concepts of real and complex numbers

**Description:** This web link to the web page contains the concept of complex numbers with general definitions and operations.

**Core Concepts:** Real and complex numbers.

**Link: **Web page on concepts of real and complex numbers

**Description:** This web link to the video contains the conjugate of complex numbers and its operation.

**Core Concepts:** Conjugate of complex numbers.

**Link: **Video on conjugate of complex numbers

**Description:** his web link to the web page contains the summary sheet of understanding the complex numbers with worksheets.

**Core Concepts:** Worksheets on complex numbers.

**Link: **Web page on the worksheet of complex numbers

**Description:** This web link to the web page represents the complex numbers in an argand plane including how to find coordinates from complex numbers and how to plot coordinates in a complex plane.

**Core Concepts:** Complex numbers in the argand plane.

**Link: **Web page on complex numbers in Argand plane

**Description:** This web link to the video contains the operation of complex numbers.

**Core Concepts:** Operation of complex numbers.

**Link: **Video on Operations of complex numbers

**Description:** This web link to the video contains solving equations of complex numbers.

**Core Concepts:** Solving equations of complex numbers.

**4. Binomial Theorem**

**Description:** This web link to the web page contains a brief introduction and history of the binomial theorem.

**Core Concepts:** Introduction to the binomial theorem.

**Link: **Web page on introduction to the binomial theorem

**Description:** This web link to the web page contains a how binomial theorem can be applied in real-life.

**Core Concepts:** Scope on binomial theorem.

**Link: **Web page on how binomial theorem can be applied in real-life

**Description:** These web links to the videos contain the binomial theorem, its definition, the examples and procedures for the solution.

**Core Concepts:** Introduction to the binomial theorem.

**Links: **

**Description:** This web link to the video contains Pascal triangle concepts to enhance the concepts on the binomial theorem .

**Core Concepts:** Pascal's triangle and binomial theorem .

**Link: **Video of Pascal's Triangle

**Description:** This web link to the video contains the properties of the binomial theorem and how the properties are important in solving the binomial theorem.

**Core Concepts:** Properties on binomial theorem.

**Link: **Video on properties of binomial theorem

**Description:** This web link to the video contains a general term of binomial expansion.

**Core Concepts:** The general term of binomial expansion.

**Link: **Video on general term of binomial expansion

**Description:** This web link to the video contains an independent term for binomial expansion.

**Core Concepts:** Independence term of binomial expansion.

**Link: **Video on finding independence term of x

**Description:** This web link to the video contains findings of the middle term with examples.

**Core Concepts:** The middle term of binomial expansion.

**Link: **Video on finding the middle-term

**Description:** This web link to the video contains finding a coefficient of a particular power of x with the steps and procedures given from the link.

**Core Concepts:** Finding the coefficient of a particular power of x.

**Links: **

**Video on the coefficient of a particular power of x 1**- Video on the coefficient of a particular power of x 2

**Description:** This web link to the web page contains quiz questions on binomial theorem.

**Core Concepts:** Quiz questions on binomial theorem.

**Link: **Web page on quiz on binomial theorem

**Description:** This web link to the video contains the use of binomial theorem in a real-life situation.

**Core Concepts:** Application of the binomial theorem.

**5. Sequences and Series**

**Description:** This web link links to a presentation on a brief introduction to sequences and series.

**Core Concepts:** Introduction to sequences and series.

**Link: **Presentation on introduction to sequence and series

**Description:** This web link to the video contains the difference between sequences and series.

**Core Concepts:** Difference between Sequence and Series.

**Link: **Video on Sequence and Series

**Description:** This web link to the video contains derivations of Arithmetic Sequence formulas.

**Core Concepts:** Derivations of arithmetic Progression Formula.

**Link: **Video on derivation of arithmetic progression formula

**Description:** This web link to the Web page which contains arithmetic progression questions with solutions.

**Core Concepts:** Arithmetic Progression formula.

**Link: ** Web page of practice problems of AP

**Description:** This link to the Web page contains Arithmetic Progression Practice Problems with solutions and explanations.

**Core Concepts:** Arithmetic Progression problem examples.

**Link: **Web page to AP problem examples solved

**Description:** This web link to the video contains the sum of the first n terms of an Arithmetic Sequence.

**Core Concepts:** Arithmetic Progression formula - the sum of the nth term.

**Link: **Video on AP of the sum of the nth term

**Description:** This web link to the video contains an explanation of the geometric sequence.

**Core Concepts:** Geometric Progression.

**Link: **Video on the geometric sequence

**Description:** This web link to the video contains finding the n term of Geometric Sequence.

**Core Concepts:** Finding the n^{th} term of GP.

**Link: **Video on finding the nth term of GP

**Description:** This web link to the video contains Geometric Series, Sum of the first n terms with proof.

**Core Concepts:** Proof of sum of first n term of GP.

**Link: **Video of proof of the sum of first n terms

**Description:** This web link to the video contains the sum of the first n terms of a geometric sequence.

**Core Concepts:** The sum of the first n terms of GP.

**Link: **Video of the sum of first n terms

**Description:** The web link to the video contains the sum of infinite Geometric Series.

**Core Concepts:** The sum of infinite GP.

**Link: **Video of the sum of infinite GP

**Description:** This web link to the video contains an explanation of the concept of summation notation.

**Core Concepts:** Summation notation.

**Link: **Video on summation notation

**Description:** This web link to the video on the sum of the first n natural numbers.

**Core Concepts:** The sum of n term of natural numbers.

**Link: **Video of the sum of n term of natural numbers

**Description: **This web link to the video contains the sum of the first n squares or square numbers.

**Core Concepts:** Squares of natural numbers.

**Link: **Video on the derivation of square natural numbers

**Description:** This web link to the web page contains the sum of the Cubes of first n natural Numbers.

**Core Concepts:** Cube of natural numbers.

**6. Remainder and Factor Theorem**

**Description:** This web link to the web page contains a brief introduction to the remainder and factor theorem.

**Core Concepts:** Introduction to remainder and factor theorem.

**Link: **Web page to introduce remainder and factor theorem

**Description:** This web link to the web page on utility and scope of remainder and factor theorem.

**Core Concepts:** Utility and scope on remainder and factor theorem.

**Link: **Web page on application and scope

**Description:** This web link to the video contains the relation between the remainder and factor theorem with the example and solution.

**Core Concepts:** Remainder and factor theorem.

**Link: **Video on remainder and factor theorem

**Description:** This web link to the web page contains the remainder theorem practise questions with solution.

**Core Concepts:** Remainder theorem Practice questions.

**Link: **Web page containing remainder theorem practice questions

**Description:** This web link to the web page contains the application of factors in real-life.

**Core Concepts:** Application of factors in real-life.

**Link: **Web page on the application of factors in real-life

**Description:** This web link contains a PDF worksheet on remainder and factor theorem.

**Core Concepts:** Worksheet for remainder and factor theorem.

**7. Quadratic Equation**

**Description:** This web link to the web page contains a research paper on the brief history and introduction of the quadratic equations.

**Core Concepts:** Introduction to a quadratic equation.

**Link: **PDF of Research paper on Quadratic equations

**Description:** This web link to the video contains a brief history and introduction to the quadratic equations.

**Core Concepts:** History of quadratic equation.

**Link: **Video on the history of quadratic equation

**Description:** This web link to the video contains the application of quadratic equation.

**Core Concepts:** Application of quadratic equation.

**Link: **Video on application of quadratic equation

**Description:** This web link to the video contains everyday use of quadratic equations.

**Core Concepts:** Every day use of quadratic equation.

**Link: **Video on Quadratic equations in everyday life

**Description:** This web link to the video contains how quadratic equations are used in real-life.

**Core Concepts:** Utility and scope of quadratic equation.

**Link: **Video on how quadratic equations are used in real-life

**Description:** This web link to the web page has the worksheet on quadratic function.

**Core Concepts:** Worksheet on quadratic equation.

**Link: **Web page quadratic equations sample worksheets

**Description:** This web link to the video contains solving quadratic equations using the formula.

**Core Concepts:** Solving quadratic equations using formula.

**Link: **Video on solving quadratic equations using the formula

**Description:** This web link to the video contains the nature of roots and the discriminant.

**Core Concepts:** Nature of roots.

**Link: **Video of Discriminant and nature of roots

**Description:** This web link to the web page provides the worksheet on solving the nature of roots.

**Core Concepts:** Worksheet on the nature of roots.

**Link: **Web page of worksheet on discriminant and Nature of roots

**Description:**These web links to the videos contain solving quadratic inequalities.

**Core Concepts:** Quadratic in-equalitites .

**Links: **

**Description:** This web link to the video contains graphing the quadratic inequality, its methods and strategies.

**Core Concepts:** Graphing inequality graph.

**Link: **Video on graphing inequality

**Description:** This web link to the web page provides the worksheet related to quadratic inequalities.

**Core Concepts:** Quadratic inequalities.

**Link: **Web page worksheets on quadratic inequalities

**Description:** This web link to web page contains the application of partial fractions in real-life.

**Core Concepts:** Utility and scope on partial fraction.

**Link: **Web page on the application in real-life

**Description:** This web link to the video contains an introduction to partial fractions.

**Core Concepts:** Introduction to partial fraction.

**Link: **Video on introduction to partial fraction

**Description:** This web link to the video contains non-repeated linear factors, its solution and procedures are explained.

**Core Concepts:** Non-repeated linear factors.

**Link: **Video on non-repeated linear factors

**Description:** This web link to the video contains repeated linear factors, and its solution and procedures are explained.

**Core Concepts:** Repeated linear factors.

**Link: **Video on repeated linear factors

**Description:** This web link to the video contains quadratic linear factors, its solution and procedures are explained.

**Core Concepts:** Quadratic linear factors.

**Link: **Video on quadratic factors

**Description:** This web link to the video contains improper fractions with non-repeated linear factors, its solution and procedures are explained.

**Core Concepts:** Improper fractions with non-repeated linear factors.

**Link: **Video on partial fraction on improper fractions

**Description:** This web link to the web page contains worksheets on partial fraction.

**Core Concepts:** Partial fractions question.

**8. Functions**

**Description:** This web link to the web page contains a brief introduction and history of the functions.

**Core Concepts:** Introduction on functions.

**Link: **Web page on History of functions

**Description:** This web link to the video contains definitions, meanings, types and examples of functions.

**Core Concepts:** Introduction to functions and types of functions.

**Link: **Video on introduction to function and types of functions

**Description: **This web link to the video contains a vertical line test for functions.

**Core Concepts:** Testing for functions.

**Link: **Video on vertical line test of function

**Description:** This web link to the video contains definitions of functions using mapping notations.

**Core Concepts:** Mapping notation of functions.

**Link: **Video on mapping notation and functions

**Description:** This web link to the web page contains a quiz on functions.

**Core Concepts:** Functions.

**Link: **Web page on the quiz for function

**Description:** This web link to the video contains concepts regarding piecewise function, its meaning and examples .

**Core Concepts:** Piecewise functions.

**Link: **Video on piecewise function

**Description:** This web link to the video contains finding the value of functions. The methods, examples and a few solutions.

**Core Concepts:** Function notation.

**Link: **Video on introduction function notation

**Description:** This web link to the video contains the types and classification of functions.

**Core Concepts:** Classification functions.

**Link: **Video on types of functions and their graphs

**Description:** This web link to the video contains an explanation of identity functions.

**Core Concepts:** Identity functions.

**Link: **Video on identity function

**Description:** This web link to the video contains an explanation of the modulus function.

**Core Concepts:** Modulus Functions.

**Link: **Video on modulus of functions

**Description:** This web link to the video contains the greatest integer function.

**Core Concepts:** Greatest integer functions.

**Link: **Video on greatest integer functions

**Description:** This web link to the video contains the concept of even and odd functions with examples.

**Core Concepts:** Even and odd functions.

**Link: **Video on even and odd functions

**Description:** This web link to the video lesson contains the inverse function.

**Core Concepts:** Inverse functions.

**Link: **Video on the inverse function

**Description:** This web link to the web page contains the explanation and example of operations on functions.

**Core Concepts:** Operation of functions.

**Link: **Web page on the operation of the function

**Description:** These web links to the videos contain the differences between domain, co-domain and range of functions.

**Core Concepts:** Function - Domains and range.

**Links:**

**Description:** This web link to the video contains how to find the domain for the function.

**Core Concepts:** Domain of functions.

**Link: **Video of how to find the domain

**Description:** This web link to the video contains the range of the function.

**Core Concepts:** Range of the function.

**Link: **Video on the range of the function

**Description:** This web link contains worksheet on the domain and a range of functions.

**Core Concepts:** Worksheet on Domain and range of functions.

**9. Limits**

**Description:** This web page link contains a brief introduction and history of the limits.

**Core Concepts:** Introduction on Limits.

**Link: **Web page on the history of limits

**Description:** This web link to the video contains the explanation that x tends to a limit.

**Core Concepts:** Concepts on Limits.

**Link: **Video on meaning x tends to a limit

**Description:** This web link to the video contains right-hand and left-hand limits.

**Core Concepts:** Right and Left Hand Limits.

**Link: **Video on right-hand and left-hand limit

**Description:** These web links to the videos contain checking of the existence of limits with proof.

**Core Concepts:** Existence of Limits.

**Links: **

**Description:** This web link to the video contains the theorem of limits.

**Core Concepts:** Theorem of Limits.

**Link: **Web page on two limit theorems

**Description:** This web link contains limits by direct substitutions.

**Core Concepts:** Limits by direct substitution.

**Link: **Video on limits by direct substitution methods

**Description:** This web link to the video contains the limits and factors.

**Core Concepts:** Limit and factorization.

**Link: **Video on limits and factors

**Description:** This web link to the video contains the limits by direct rationalisation methods.

**Core Concepts:** Limits by rationalisation methods.

**Link: **Video on solving limits by rationalization

**Description:** This web link to the video contains the limits by expansion.

**Core Concepts:** Limits by expansion methods.

**Link: **Video on solving limits by expansion

**Description:** This web link to the video contains an infinity of limits.

**Core Concepts:** Infinity of limits.

**Link: **Video on finding limits at infinity

**Description:** This web link to the video contains the limits of trigonometric functions.

**Core Concepts:** Trigonometry limits.

**Link: **Videos of limits of trigonometric function

**Description:** These web links to web pages and videos contain definitions and explanations of the continuity of the functions.

**Core Concepts:** Continuity of the functions.

**Links: **

**10. Differentiation**

**Description:** These web links to the video contain the history of calculus.

**Core Concepts:** Introduction to calculus.

**Links: **

**Video on the history of Calculus 1**- Video on the history of Calculus 2
- Video on calculus in the ancient world
- Video on historical motivation in calculus

**Description:** This web link to the web page contains the application on derivatives.

**Core Concepts:** Utility and scope.

**Link: **Web page on the application of derivatives

**Description:** These web links to the videos contain the derivatives of functions .

**Core Concepts:** Derivatives of function.

**Description:** This web link contains an introduction to the derivatives using the Geogebra.

**Core Concepts:** Geometrical interpretation of differentiation.

**Link: **Geogebra - introduction to derivatives

**Description:** This web link to the video contains the derivatives of functions using the general method.

**Core Concepts:** Differentiation of polynomial function.

**Link: **Video of derivatives using general method

**Description:** These web links to the videos contain the differentiation of the functions using the product rule.

**Core Concepts:** Derivative using product rule.

**Description:** This web link to videos contains the derivatives of functions using the quotient rule.

**Core Concepts:** Derivative using quotient rule.

**Link: **Video of derivatives of functions by quotient rule

**Description:** This web link to the video contains the differentiation of trigonometric function.

**Core Concepts:** Differentiation of trigonometric functions.

**Link: **Video of derivatives of trigonometric functions

**Description:** This web link to the video contains the application of derivatives like finding equations of tangent and normal, rate measures, etc.

**Core Concepts:** Application derivatives.

**11. Integration**

**Description:** This web link to a PDF containing a brief introduction and history of integral calculus.

**Core Concepts:** Introduction of integration.

**Link: **PDF on the history of integration

**Description:** This web page link contains the application of integration in real-life.

**Core Concepts:** Utility and scope of integration.

**Link: **Web page on the application of integration

**Description:** This web link to the video contains the definition of integration, the differences between differentiation and integration.

**Core Concepts:** Introduction of integration.

**Link: **Video on integration as an inverse process of derivatives

**Description:** This web link to the video contains the integration constant explaining what and why + C.

**Core Concepts:** Introduction of integration and its constant.

**Link: **Video of constant of integration; what and why

**Description:** This web link to the video contains a basic standard form of integration with examples.

**Core Concepts:** Standard of integration.

**Link: **Video on basic integration formulas and examples

**Description:** This web link to the video contains the basic integration rules.

**Core Concepts:** Basic integration rules.

**Link: **Video of basic integration rules

**Description:** This web link to the video contains integration of trigonometric function.

**Core Concepts:** Integrating trigonometric functions.

**Link: **Video on integrating trigonometric function

**Description:** These web links to the videos and a web page contain concepts and elaboration on the integration by substitution.

**Core Concepts:** Integration by substitution methods.

**Links: **

**12. Trigonometry**

**Description:** This web link to the video contains the history and importance of trigonometry.

**Core Concepts:** Introduction to trigonometric function.

**Link: **Video on the history of trigonometry and its importance

**Description:** This web page link contains the importance of learning trigonometric functions, their scope and utility in real-life situations.

**Core Concepts:** Utility and scope of trigonometric functions.

**Link: **Web page on the application of trigonometry

**Description:** This web link to the video contains the trigonometric sum and difference identities.

**Core Concepts:** Trigonometric identities.

**Link: **Video on trigonometric sum and difference identities

**Description:** These web links to the videos contain derivatives of sum and difference formulas and their examples.

**Core Concepts:** Addition and subtraction formula.

**Links: **

**Video on the derivation of sum and difference formula**- Video on sum and difference identities problems solving

**Description:** This web link to the video contains a derivation of the product formula.

**Core Concepts:** Product formula.

**Link: **Video on sum or difference formula to product formula.

**Description:** This web link to the video contains problems based on the transformation formula.

**Core Concepts:** Transformation formula.

**Link: **Video on problems based on transformation formula.

**Description:** These web links to the videos contain practice questions on transformation formulas to product rules from sum or difference identities.

**Core Concepts:** Transformation formula and its derivations.

**Links: **

**Video on the formula to transform the sum or difference to the product formula**- Video on practice question on the transformation of formula

**Description:** These web links to the videos contain derivation of the double and half angle formula supported by examples..

**Core Concepts:** Double and half angle formula .

**Links: **

**Description:** This web link to web pages shares the practice question on the double and half-angle formula.

**Core Concepts:** Double and half angle formula .

**Link: **Web page on double and half - and half-angle practice questions

**Description:** These web links to videos contain derivations and solving of problems using the triple angle formula.

**Core Concepts:** Triple angled formula.

**Links: **

**Description:** This web page link contains practice questions on compound angle formula.

**Core Concepts:** Compound angle formula.

**Link: **Web page on practice questions using the compound angles

**13. **Points and their Coordinates in Two-Dimension

**Description:** This web page contains about eh coordinate geometry focusing on its introduction including a brief introduction on the points and their coordinates in two-dimension.

**Core Concepts:** Coordinate Geometry: An introduction.

**Link: **Web page to Coordinate Geometry: An introduction

**Description:** This web page contains some examples of geometry in everyday life.

**Core Concepts:** Utility and scope of points and their coordinates in two-dimension.

**Link: **Web page showing examples of geometry in everyday life

**Description:** This web link to the video contains what the Cartesian Coordinate system is.

**Core Concepts:** Cartesian coordinates system.

**Link: **Video on Cartesian Coordinate System

**Description:** This web link to the video contains what the cartesian coordinate plane is..

**Core Concepts:** Cartesian coordinate plane.

**Link: **Video on Cartesian Coordinate Plane

**Description:** This web link to the video contains the derivation of the distance formula.

**Core Concepts:** Distance between two points.

**Link: **Video on distance formula derivation

**Description:** This web link to the video explains the concept of division and the derivation of the section formula of internal division.

**Core Concepts:** Section formula: internal.

**Link: **Video on Section Formula Derivation

**Description:** This web link to the video explains the derivation of the section formula of external division.

**Core Concepts:** Section formula: external.

**Link: **Video on derivation of section formula for external division

**Description:** This web link to the video explains the deviations of the formula for the centroid formula of the triangle.

**Core Concepts:** Centroid and incentre of the triangle.

**Link: **Video of the derivation of the centroid formula of a triangle

**Description:** This web link to the video explains how to find the slope for the straight lines.

**Core Concepts:** The slope of straight lines.

**Link: **Video on how to find the slope

**Description:** This web link to the video contains findings of the angle between lines.

**Core Concepts:** Angle between lines.

**Link: **Video on the angle between two lines

**Description:** This web link to the video explains the conditions of parallelism and perpendicularity.

**Core Concepts:** Condition of parallelism and perpendicularity.

**Link: **Video on the slope of parallel and perpendicular lines

**14. Logarithm**

**Description:** The video link contains evaluating logarithm.

**Core Concepts:** 11P-A2 Evaluating logarithm.

**15. The straight Line**

**Description:** The web page contains a PDF to straight lines.

**Core Concepts:** Introduction to straight lines.

**Link: **PDF on straight lines with examples

**Description:** This web page contains the application of straight lines in real-life .

**Core Concepts:** Utility and scope of straight lines.

**Link: **Web page on the application of straight lines.

**Description:** This web link to the video explains the slope-intercept form of a straight line.

**Core Concepts:** Slope intercepts form.

**Link: **Video on slope intercept form

**Description:** The web link to the video contains a point-slope form of straight lines.

**Core Concepts:** Point slope form.

**Link: **Video of point-slope form

**Description:** This web link to the video contains a two-point form of straight lines.

**Core Concepts:** Two point form.

**Link: **Video on two-point form

**Description: **This web link to the video contains the normal form equations of straight lines.

**Core Concepts:** The normal form of the equations.

**Link: **Video on the normal form

**Description:** This web link to the video contains the derivation of intercepts form.

**Core Concepts:** Intercept form.

**Link: **Video on derivation of intercept form

**Description:** This web link to the video contains finding of the distance of a point from a line.

**Core Concepts:** Distance formula.

**Link: **Video on finding the distance of a point from a line

**Description:** This web link to the video contains the finding of the distance between two parallel lines.

**Core Concepts:** Distance formula.

**Link: **Video on the distance between parallel lines

**Description:** This web link to the video contains the application of straight lines in the different fields.

**Core Concepts:** Application of straight lines.

**16. The Circle and Its Theorem**

**Description:** This web link provides a video on the definition of a circle.

**Core Concepts:** Definition of circle.

**Link: **Video on the definition of a circle

**Description:** This web link contains a video on the concept of a circle.

**Core Concepts:** Concept of circle.

**Link: **Video on the concept of circle

**Description:** This web link contains a video on the equation of a circle in centre-radius form.

**Core Concepts:** The equation of a circle in centre-radius form..

**Link: **Video on the equation of a circle in centre-radius form

**Description:** This web link contains a video on the equation of a circle in its diameter form.

**Core Concepts:** The equation of a circle in its diameter form.

**Link: **Video on the equation of a circle in diameter form

**Description:** This web link contains a video on determining the centre and radius of a circle from a given equation.

**Core Concepts:** Determining the centre and radius of a circle.

**Link: **Video on determining centre and radius

**Description:** The web link contains an interactive GeoGebra diagram on the chords of a circle: a straight line drawn from the centre of a circle to bisect a chord is perpendicular to the chord.

**Core Concepts:** Theorem on Chords of a Circle.

**Link: **Geogebra diagram of Theorem 1

**Description:** The web link contains an interactive GeoGebra diagram on the chords of a circle: A straight line, drawn from the centre of a circle perpendicular to a chord, bisects the chord.

**Core Concepts:** Theorem on Chords of a Circle.

**Link: **Geogebra diagram of Theorem 2

**Description:** The web link contains an interactive GeoGebra diagram on the chords of a circle: One and only one circle can be drawn through three points not lying in the same straight line.

**Core Concepts:** Theorem on Chords of a Circle.

**Link: **Geogebra diagram of Theorem 3

**Description:** The web link contains an interactive GeoGebra diagram on the chords of a circle: Equal chords of a circle are equidistant from the centre; Chords of a circle that are equidistant from the centre are equal.

**Core Concepts:** Theorem on Chords of a Circle.

**Link: **Geogebra diagram of Theorem 4&5

**Description:** The web link contains an interactive GeoGebra diagram on the chords of a circle: The angle subtended at the centre by an arc of a circle is double the angle which these subtends at any remaining part of the circumference.

**Core Concepts:** Theorem on Chords of a Circle.

**Link: **Geogebra diagram of Theorem 6

**Description:**The web link contains an interactive GeoGebra diagram on the chords of a circle: In a circle, the angle in a semicircle is a right angle.

**Core Concepts:** Theorem on Chords of a Circle.

**Link: **Geogebra diagram of Theorem 7

**Description:** The web link contains an interactive GeoGebra diagram on the chords of a circle: Angles in the same segment of a circle are equal.

**Core Concepts:** Theorem on Chords of a Circle.

**Link: **Geogebra diagram of Theorem 8

**Description:** The web link contains an interactive GeoGebra diagram on the chords of a circle: The opposite angles of a cyclic quadrilateral are supplementary.

**Core Concepts:** Theorem on Chords of a Circle.

**Link: **Geogebra diagram of Theorem 9

**Description:** The web link contains an interactive GeoGebra diagram on the chords of a circle: If a side of a cyclic quadrilateral is produced, the exterior angle so formed is equal to the interior opposite angle.

**Core Concepts:** Theorem on Chords of a Circle.

**Link: **Geogebra diagram of Theorem 10

**Description:** The web link contains an interactive GeoGebra diagram on the chords of a circle: The tangent at any point of a circle and the radius through this point are perpendicular to each other.

**Core Concepts:** Theorem on Tangent Lines and Circles.

**Link: ** Geogebra diagram of Theorem 15

**Description:** The web link contains an interactive GeoGebra diagram on the chords of a circle: If two circles touch each other, the point of contact lies on the straight line joining the centres of two circles.

**Core Concepts:** Theorem on Tangent Lines and Circles.

**17. Measures of Central Tendency**

**Description:** This web link leads to a web page introducing the concept of central tendencies.

**Core Concepts:** Introduction of central tendencies.

**Link: **Web page on the introduction of central tendencies

**Description:** This web link leads to a web page discussing the utility and scope of central tendencies.

**Core Concepts:** Utility and scope of central tendencies.

**Link: **Web page on the utility and scope of central tendencies

**Description:** These web links contain videos on the meaning of central tendencies.

**Core Concepts:** Concept of central tendencies.

**Links: **

**Description:** This web link leads to a video on finding the mean using the shortcut method.

**Core Concepts:** Finding the mean of data by shortcut method.

**Link: **Video on Mean by Shortcut method

**Description:** This web link contains a video on how to find the mean using the step-deviation method.

**Core Concepts:** Finding the mean of a data by step-deviation method.

**Link: **Video on Mean by Step-Deviation method

**Description:** This web link contains a video on finding the central tendencies of simple distribution data.

**Core Concepts:** Central tendencies of simple distribution.

**Link: **Video on central tendencies of simple distribution

**Description:** This web link contains a video on finding the central tendencies of discrete data.

**Core Concepts:** Central tendencies of discrete data.

**Link: **Video on central tendencies of discrete data

**Description:** This web link contains a video on finding the central tendencies of grouped data.

**Core Concepts:** Central tendencies of grouped data.

**Link: **Video on central tendencies of grouped data

**Description:** This web link contains a video on finding the mode of grouped data.

**Core Concepts:** Finding the mode of grouped data.

**18. Dispersion**

**Description:** This web link contains a video on measuring the dispersion of data using standard deviation.

**Core Concepts:** Measuring the dispersion of data using standard deviation.

**Link: **Video on the standard deviation and variance

**Description:** This web link contains a video on finding the combined mean.

**Core Concepts:** Finding combined mean.

**Links: **

**19. Probability**

**Description:** This web link leads to a web page detailing the history of probability.

**Core Concepts:** Introduction and history of probability.

**Link: **Web page on the history of probability

**Description:** This web link contains a web page detailing the utility and scope of probability.

**Core Concepts:** Utility and scope of probability.

**Link: **Web page on Utility and Scope of Probability

**Description:** This web link contains a video on the introduction of probability.

**Core Concepts:** Probability concepts.

**Link: **Video on probability concept

**Description:** These web links contain videos on set theory concepts.

**Core Concepts:** Set theory.

**Links: **

**Description:** This web link provides a video on the probability of complementary events.

**Core Concepts:** Probability of complementary events.

**Link: **Video on the probability of complementary events

**Description:** This web link contains a video on the odds vs probability.

**Core Concepts:** Odds and Probability.

**Link: **Video on odds and probability

**Description:** This web link contains a web page with interactive questions on probability.

**Core Concepts:** Interactive Probability questions.

**Link: **Web page on probability questions

**Description:** These web links contain videos on the “addition rule” of probability.

**Core Concepts:** Addition rule of probability.

**Links: **

**Video on Addition Rule of Probability 1**- Video on Addition Rule of Probability 2
- Video on Addition Rule of Probability 3

**Description:** This web link leads to a web page with some probability questions.

**Core Concepts:** Application of addition rule in probability..

**Link: **Quiz on probability

**Description:** These web links contain videos on the “multiplication rule” of probability.

**Core Concepts:** Multiplication rule of probability.

**Links: **

**Video on multiplication rule of probability 1****Video on multiplication rule of probability 2****Video on multiplication rule of probability 3**

**Description:** This web link contains a PDF file with questions on the application of the multiplication rule in probability.

**Core Concepts:** Application of multiplication rule in probability..