Your journey to excellence in
By Revision Genie
Mathematical Argument and Proof
Unit 1
Understanding Mathematical Proof Structure
Logical Steps in Proof Construction
Proof by Deduction Basics
Worked Example: Proof by Deduction
Proof by Exhaustion Basics
Worked Example: Proof by Exhaustion
Disproof by Counterexample Basics
Common Errors in Disproof by Counterexample
Proof by Contradiction Basics
Worked Example: Proof of Irrationality of √2
Worked Example: Proof of Infinity of Primes
Applying Proof by Contradiction to New Contexts
Understanding Mathematical Assumptions
Using Precise Mathematical Language
Correct Use of Symbols in Arguments
Connecting Mathematical Statements Effectively
Critiquing Mathematical Proofs
Identifying Invalid Arguments in Proofs
Common Logical Fallacies in Proofs
Using Diagrams to Support Mathematical Arguments
Sketching Graphs for Proofs
Set Theory Language in Proofs
Understanding Functions in Proof Contexts
Domain and Range in Mathematical Arguments
Using Functions to Justify Proofs
Importance of Rigour in Mathematical Proofs
Evaluating Proofs for Accuracy
Identifying Gaps in Logical Reasoning
Proof Techniques in Real-World Applications
Exam Trap: Misinterpreting Proof Instructions
Exam Trap: Overlooking Special Cases in Proofs
Exam Trap: Misusing Symbols in Proofs
Unit 2
Algebra and Functions
Laws of Indices for Rational Exponents
Manipulating Surds and Rationalising Denominators
Quadratic Functions and Their Graphs
The Discriminant and Root Conditions
Completing the Square Technique
Solving Quadratic Equations
Solving Simultaneous Equations: Linear and Quadratic
Solving Linear Inequalities in One Variable
Solving Quadratic Inequalities in One Variable
Graphical Representation of Inequalities
Set Notation for Inequality Solutions
Manipulating Polynomials: Expanding and Collecting Terms
Factorisation Techniques for Polynomials
Using the Factor Theorem
Algebraic Division of Polynomials
Simplifying Rational Expressions
Sketching Graphs of Polynomial Functions
Graphs of Modulus Functions
Graphs of Exponential Functions
Graphs of Reciprocal Functions
Intersection Points to Solve Equations Graphically
Proportional Relationships and Graphs
Composite Functions and Their Notation
Inverse Functions and Their Graphs
Transformations of Functions: Vertical Scaling
Transformations of Functions: Horizontal Scaling
Transformations of Functions: Translations
Transformations of Functions: Reflections
Combining Multiple Transformations
Decomposing Rational Functions into Partial Fractions
Partial Fractions with Linear Denominators
Partial Fractions with Squared Linear Denominators
Using Functions in Mathematical Modelling
Limitations and Refinements of Function Models
Unit 3
Coordinate Geometry
Equation of a Straight Line
Gradient of a Line
Parallel Lines and Gradients
Perpendicular Lines and Gradients
Forms of Linear Equations
Using Straight Line Models in Context
Equation of a Circle
Completing the Square for Circles
Finding Centre and Radius of Circles
Angle in a Semicircle Theorem
Perpendicular Bisector of a Chord
Radius and Tangent Perpendicularity
Parametric Equations of Curves
Converting Parametric to Cartesian Forms
Converting Cartesian to Parametric Forms
Applications of Parametric Equations
Modeling with Straight Line Geometry
Modeling with Circle Geometry
Modeling with Parametric Equations
Exam Trap: Misinterpreting Gradients
Exam Trap: Incorrect Circle Equation Form
Worked Example: Straight Line Equation
Worked Example: Circle Equation
Worked Example: Parametric Equations
Using Coordinate Geometry in Proofs
Intersection of Lines and Circles
Finding Tangents to Circles
Finding Points of Intersection Parametrically
Exam Trap: Tangents and Radius Confusion
Graphical Representation of Lines
Graphical Representation of Circles
Graphical Representation of Parametric Curves
Transformations of Parametric Curves
Distance Between Two Points
Midpoint of a Line Segment
Using Coordinate Geometry in Optimization
Worked Example: Distance Between Points
Worked Example: Midpoint Calculation
Exam Trap: Miscalculating Distances
Applications of Coordinate Geometry in Real Life
Exam Trap: Incorrect Parametric Conversion
Unit 4
Sequences and Series
Arithmetic Sequences: nth Term Formula
Arithmetic Sequences: Sum to n Terms
Arithmetic Sequences: Worked Examples
Geometric Sequences: nth Term Formula
Geometric Sequences: Sum of Finite Series
Geometric Sequences: Sum to Infinity
Conditions for Convergent Geometric Series
Geometric Sequences: Worked Examples
Sigma Notation: Understanding the Basics
Sigma Notation: Expanding Summations
Sigma Notation: Using Formulae for Arithmetic Series
Sigma Notation: Using Formulae for Geometric Series
Sigma Notation: Worked Examples
Binomial Expansion: Positive Integer Powers
Binomial Expansion: Rational Powers
Conditions for Validity of Binomial Expansion
Binomial Expansion: Using Factorial Notation
Binomial Expansion: Approximations for Small bx/a
Binomial Expansion: Worked Examples
Sequences: Increasing, Decreasing, and Periodic
Sequences: Defining with Recurrence Relations
Sequences: Generating Terms from Recurrence Relations
Arithmetic vs. Geometric Sequences: Key Differences
Sequences and Series: Common Exam Mistakes
Sequences and Series in Modelling Contexts
Arithmetic Series in Real-Life Applications
Geometric Series in Real-Life Applications
Binomial Expansion in Approximation Problems
Using Sigma Notation in Complex Summations
Unit 5
Trigonometry
Definitions of Sine, Cosine, Tangent
The Sine Rule
The Cosine Rule
Area of a Triangle Using Sine
Radians and Their Applications
Arc Length Using Radians
Sector Area Using Radians
Small Angle Approximations for Trigonometric Functions
Graphs of Sine, Cosine, and Tangent
Symmetry and Periodicity of Trigonometric Graphs
Exact Values of Sine, Cosine, and Tangent
Definitions of Secant, Cosecant, Cotangent
Graphs of Secant, Cosecant, and Cotangent
Domains and Ranges of Trigonometric Functions
Inverse Trigonometric Functions and Their Graphs
Relationship Between Trigonometric Ratios
Pythagorean Identity: sin²A + cos²A = 1
Identity: sec²A = 1 + tan²A
Identity: cosec²A = 1 + cot²A
Double Angle Formulae for Sine, Cosine, and Tangent
Addition Formulae for Sine and Cosine
Addition Formula for Tangent
Geometrical Proofs of Trigonometric Formulae
Converting acosA + bsinA to rcos(A ± B)
Converting acosA + bsinA to rsin(A ± B)
Solving Linear Trigonometric Equations
Solving Quadratic Trigonometric Equations
Solving Trigonometric Equations with Multiple Angles
Constructing Trigonometric Proofs
Using Trigonometric Functions in Geometry Problems
Modeling with Trigonometric Functions
Applications of Trigonometry in Kinematics
Applications of Trigonometry in Forces
Applications of Trigonometry in Vectors
Unit 6
Exponentials and Logarithms
Understanding Exponential Functions
The Graph of y = e^x
The Graph of y = a^x
Gradient of y = e^kx
Exponential Models in Applications
Definition of Logarithms
The Graph of y = log_a(x)
The Graph of y = ln(x)
Logarithms as Inverse Functions
Laws of Logarithms: Addition
Laws of Logarithms: Subtraction
Laws of Logarithms: Multiplication by a Constant
Solving Exponential Equations
Solving Logarithmic Equations
Using Logarithmic Graphs for y = ax^n
Using Logarithmic Graphs for y = k*b^x
Exponential Growth Models
Exponential Decay Models
Continuous Compound Interest
Radioactive Decay as a Model
Drug Concentration Decay
Population Growth Models
Limitations of Exponential Models
Refining Exponential Models
Unit 7
Differentiation
Definition of a Derivative
Gradient of a Tangent
Rate of Change Interpretation
Differentiation from First Principles (x^n)
Differentiation from First Principles (sin x and cos x)
Second Derivative Concept
Convex and Concave Curves
Points of Inflection
Differentiating x^n for Rational Powers
Differentiating Exponential Functions (e^kx and a^kx)
Differentiating Trigonometric Functions (sin, cos, tan)
Derivative of ln x
Finding Gradients of Curves
Equations of Tangents and Normals
Identifying Stationary Points
Maxima and Minima Problems
Determining Increasing and Decreasing Functions
The Product Rule
The Quotient Rule
The Chain Rule
Connected Rates of Change Problems
Differentiating Inverse Functions
Implicit Differentiation
Parametric Differentiation
Applications to Kinematics Problems
Optimization Problems
Sketching Gradient Functions
Constructing Differential Equations
Differential Equations in Population Growth Models
Differential Equations in Price-Demand Models
Exam Trap: Misinterpreting Stationary Points
Exam Trap: Incorrect Application of Rules
Exam Trap: Confusing Maxima and Minima
Unit 8
Integration
The Fundamental Theorem of Calculus
Basic Integration of xn
Integrating Exponential Functions
Integrating 1/x
Integrating Trigonometric Functions
Definite Integrals and Areas
Area Under a Curve
Area Between Two Curves
Integration as the Limit of a Sum
Integration by Substitution Basics
Choosing Substitutions in Integration
Integration by Parts Basics
Repeated Integration by Parts
Integrating Using Partial Fractions
Solving First Order Differential Equations
Separation of Variables Technique
Finding Particular Solutions to Differential Equations
Applications of Differential Equations
Interpreting Solutions in Context
Limitations of Differential Equation Models
Worked Example: Basic Integration
Worked Example: Definite Integral for Area
Worked Example: Integration by Substitution
Worked Example: Integration by Parts
Worked Example: Partial Fractions Integration
Worked Example: Solving a Differential Equation
Exam Trap: Forgetting the Constant of Integration
Exam Trap: Incorrect Substitution Choices
Exam Trap: Misinterpreting Definite Integral Limits
Exam Trap: Missing Negative Signs in Trigonometric Integration
Exam Trap: Incorrect Use of Partial Fractions
Exam Trap: Misinterpreting Differential Equation Solutions
Exam Trap: Confusing Integration with Differentiation
Unit 9
Numerical Methods
Locating Roots Using Change of Sign
Failure Cases of Change of Sign Method
The Iterative Method for Solving Equations
Cobweb Diagrams for Iterative Methods
Staircase Diagrams for Iterative Methods
Newton-Raphson Method Overview
Applying Newton-Raphson Step-by-Step
Failure Cases of Newton-Raphson Method
Understanding Recurrence Relations xn+1 = g(xn)
Graphical Representation of Iterative Methods
Numerical Integration Overview
Using the Trapezium Rule for Integration
Estimating Areas Under Curves with Trapezium Rule
Error Bounds in the Trapezium Rule
Numerical Methods in Real-World Contexts
Evaluating Accuracy of Numerical Solutions
Limitations of Numerical Methods
Mathematical Problem Solving with Numerical Methods
Using Technology for Numerical Methods
Iterative Methods in Modelling Problems
Refining Models Using Numerical Outputs
Connecting Graphs and Numerical Methods
Comparing Analytical and Numerical Solutions
Choosing Appropriate Numerical Methods
Unit 10
Vectors
Definition of a Vector
Vector Notation and Representation
Magnitude of a Vector
Direction of a Vector
Converting Between Component Form and Magnitude/Direction
Adding Vectors Algebraically
Adding Vectors Diagrammatically
Subtracting Vectors
Scalar Multiplication of Vectors
Geometrical Interpretation of Vector Operations
Position Vectors and Their Use
Distance Between Two Points Using Position Vectors
Unit Vectors and Their Properties
The Zero Vector
Vectors in Two Dimensions
Vectors in Three Dimensions
Applications of Vectors in Geometry
Applications of Vectors in Mechanics
Resolving Forces Using Vectors
Kinematics with Vectors
Finding Resultant Forces with Vectors
Vector Equations of Lines
Parametric Equations of Lines Using Vectors
Intersection of Lines Using Vectors
Examining Parallel and Perpendicular Vectors
Projection of One Vector onto Another
Vectors and Scalar Products
Using Scalar Products to Find Angles Between Vectors
Exam Trap: Misinterpreting Vector Direction
Worked Example: Adding Vectors in Mechanics
Worked Example: Finding Magnitude and Direction
Worked Example: Intersection of Vector Lines
Worked Example: Resolving Forces Using Vectors
Exam Trap: Confusing Magnitude and Components
Unit 11
Statistical Sampling
Definition of Population and Sample
Purpose of Statistical Sampling
Simple Random Sampling Technique
Opportunity Sampling Technique
Stratified Sampling Technique
Systematic Sampling Technique
Quota Sampling Technique
Cluster Sampling Technique
Advantages of Simple Random Sampling
Disadvantages of Simple Random Sampling
Advantages of Opportunity Sampling
Disadvantages of Opportunity Sampling
Advantages of Stratified Sampling
Disadvantages of Stratified Sampling
Advantages of Systematic Sampling
Disadvantages of Systematic Sampling
Advantages of Quota Sampling
Disadvantages of Quota Sampling
Advantages of Cluster Sampling
Disadvantages of Cluster Sampling
Bias in Sampling Methods
Critiquing Sampling Techniques
Impact of Sample Size on Conclusions
Representativeness of a Sample
Randomness in Sampling
Sampling Error and Variability
Using Samples to Infer Population Characteristics
Choosing the Appropriate Sampling Method
Common Sampling Mistakes
Examining Sampling Methods in Context
Using Technology for Sampling Calculations
Real-Life Applications of Sampling Techniques
Ethical Considerations in Sampling
Worked Example: Simple Random Sampling
Worked Example: Stratified Sampling
Worked Example: Systematic Sampling
Worked Example: Quota Sampling
Worked Example: Cluster Sampling
Exam Trap: Misinterpreting Sampling Bias
Exam Trap: Confusing Population and Sample
Exam Trap: Incorrect Sampling Technique Application
Unit 12
Data Presentation and Interpretation
Interpreting Histograms
Frequency and Area in Histograms
Connecting Histograms to Probability Distributions
Reading Scatter Diagrams
Understanding Regression Lines
Correlation Interpretation
Correlation vs Causation
Measures of Central Tendency
Calculating the Mean from Data
Calculating the Median from Data
Calculating the Mode from Data
Comparing Mean, Median, and Mode
Measures of Variation
Calculating Range and Interquartile Range
Calculating Variance
Calculating Standard Deviation
Standard Deviation from Summary Statistics
Recognising Outliers in Data Sets
Identifying Outliers in Statistical Diagrams
Cleaning Data: Missing Values
Cleaning Data: Errors and Outliers
Critiquing Data Presentation Techniques
Selecting Appropriate Graphs for Data
Critiquing Graphical Representations
Introduction to Large Data Sets
Exploring Large Data Sets with Technology
Using Spreadsheets for Data Analysis
Using Statistical Software for Data Analysis
Interpreting Summary Statistics in Context
Investigating Questions from Real Data
Understanding Bivariate Data Relationships
Exam Trap: Misinterpreting Correlation
Exam Trap: Misidentifying Outliers
Worked Example: Calculating Standard Deviation
Worked Example: Cleaning Data with Outliers
Worked Example: Interpreting a Histogram
Worked Example: Critiquing a Scatter Diagram
Unit 13
Probability
Introduction to Probability
Defining Mutually Exclusive Events
Calculating Probabilities for Mutually Exclusive Events
Defining Independent Events
Calculating Probabilities for Independent Events
Understanding Conditional Probability
The Conditional Probability Formula
Using Tree Diagrams for Conditional Probability
Using Venn Diagrams for Conditional Probability
Using Two-Way Tables for Conditional Probability
Worked Example: Mutually Exclusive Events
Worked Example: Independent Events
Worked Example: Conditional Probability Using Tree Diagrams
Worked Example: Conditional Probability Using Venn Diagrams
Worked Example: Conditional Probability Using Two-Way Tables
Common Misconceptions in Mutually Exclusive Events
Common Misconceptions in Independent Events
Common Misconceptions in Conditional Probability
Probability in Real-Life Contexts
Critiquing Assumptions in Probability Models
Impact of Realistic Assumptions on Probability Models
Linking Probability to Discrete Distributions
Linking Probability to Continuous Distributions
Exam Trap: Misinterpreting Conditional Probability
Exam Trap: Confusing Independent and Mutually Exclusive Events
Exam Trap: Misusing Tree Diagrams
Exam Trap: Misusing Venn Diagrams
Exam Trap: Misusing Two-Way Tables
Reviewing Probability Notation and Symbols
Unit 14
Statistical Distributions
Introduction to Statistical Distributions
Discrete Probability Distributions Overview
The Binomial Distribution
Calculating Binomial Probabilities
Mean and Variance of Binomial Distributions
Applications of the Binomial Distribution
Limitations of the Binomial Model
Normal Distribution Overview
Properties of the Normal Distribution
Standard Normal Distribution (Z-Scores)
Finding Probabilities Using the Normal Distribution
Mean, Standard Deviation, and Points of Inflection
Link Between Binomial and Normal Distributions
Using Normal Approximation for Binomial Distributions
Selecting Appropriate Probability Distributions
Modeling Data with Binomial Distributions
Modeling Data with Normal Distributions
Critiquing Assumptions in Distribution Models
Using Histograms to Link to Distributions
Calculator Functions for Statistical Distributions
Examining Contexts for Binomial Models
Examining Contexts for Normal Models
Common Errors in Statistical Distribution Problems
Worked Examples: Binomial Distribution
Worked Examples: Normal Distribution
Interpreting Results in Context
Exam Traps in Statistical Distribution Questions
Unit 15
Statistical Hypothesis Testing
Null Hypothesis Definition
Alternative Hypothesis Definition
Significance Level Explanation
Critical Value Concept
Critical Region Definition
Acceptance Region Definition
Test Statistic Definition
One-Tailed Test Explanation
Two-Tailed Test Explanation
P-Value Definition
Interpreting P-Values
Binomial Distribution in Hypothesis Testing
Conducting a Binomial Hypothesis Test
Normal Distribution in Hypothesis Testing
Conducting a Normal Hypothesis Test
Population vs Sample in Hypothesis Testing
Inference from Sample Data
Probability of Type I Error
Probability of Type II Error
Correlation Coefficient in Hypothesis Testing
Critical Value for Correlation Coefficients
Interpreting Correlation Coefficients
Steps in Hypothesis Testing Procedure
Formulating Hypotheses
Choosing the Appropriate Test
Calculating Test Statistics
Using the Binomial Formula
Using the Normal Formula
Decision Making Based on P-Value
Decision Making Based on Critical Value
Contextual Interpretation of Results
Common Errors in Hypothesis Testing
Limitations of Hypothesis Testing
Examining Assumptions in Tests
Effect of Sample Size on Hypothesis Testing
One-Tailed vs Two-Tailed Tests Comparison
Hypothesis Testing in Real-World Contexts
Worked Example: Binomial Test
Worked Example: Normal Test
Exam Trap: Misinterpreting P-Values
Exam Trap: Confusing Null and Alternative Hypotheses
Exam Trap: Incorrect Significance Level Usage
Exam Trap: Misidentifying Critical Regions
Exam Trap: Errors in Test Statistic Calculation
Exam Trap: Misinterpreting Correlation Results
Unit 16
Quantities and Units in Mechanics
Understanding SI Base Units
The Unit of Length: Metre
The Unit of Time: Second
The Unit of Mass: Kilogram
Derived Units in Mechanics
The Unit of Velocity: Metres per Second
The Unit of Acceleration: Metres per Second Squared
The Unit of Force: Newton
The Unit of Weight: Newton
The Unit of Moment: Newton Metre
Conversion Between Units
Prefixes in SI Units: Milli, Kilo, etc.
Dimensional Consistency in Equations
Using SI Units in Calculations
Understanding Non-SI Units in Context
Common Errors with Units in Mechanics
Unit Analysis in Problem Solving
Checking Units in Final Answers
SI Units in Graphs and Diagrams
The Importance of Standard Units in Mechanics
SI Units in Real-World Applications
Historical Development of SI Units
Using SI Units in Modelling Assumptions
Exam Trap: Misinterpreting Units
Combining Units in Compound Quantities
Unit Conversion Worked Examples
SI Units in Exam Questions
Understanding Derived Quantities
SI Units in Kinematic Equations
Unit 17
Kinematics
Position and Displacement
Distance vs Displacement
Velocity and Speed
Acceleration Definition
Interpreting Displacement-Time Graphs
Gradient of Displacement-Time Graphs
Interpreting Velocity-Time Graphs
Gradient of Velocity-Time Graphs
Area Under Velocity-Time Graphs
Graphs for Uniform Acceleration
Equations of Motion Derivation
Using Equations of Motion
Solving Problems with Constant Acceleration
Motion in Two Dimensions with Vectors
Vector Representation of Displacement
Vector Representation of Velocity
Vector Representation of Acceleration
Using Vectors in Kinematics Problems
Calculus in Kinematics: Velocity from Displacement
Calculus in Kinematics: Acceleration from Velocity
Calculus in Kinematics: Displacement from Velocity
Calculus in Kinematics: Velocity from Acceleration
Second Derivative for Acceleration
Integration for Displacement and Velocity
Integration in Two Dimensions
Motion Under Gravity: Vertical Plane
Projectile Motion Equations
Horizontal and Vertical Components of Motion
Time of Flight in Projectile Motion
Maximum Height in Projectile Motion
Range of a Projectile
Solving Complex Projectile Problems
Graphical Representation of Projectile Motion
Modelling Assumptions in Kinematics
Limitations of Kinematics Models
Unit 18
Forces and Newton’s Laws
Understanding the Concept of Force
Newton's First Law of Motion
Applications of Newton's First Law
Newton's Second Law: F = ma
Using Newton's Second Law in Two Dimensions
Resolving Forces into Components
Weight and Gravitational Force
Gravitational Acceleration and g
Newton's Third Law of Motion
Equilibrium of Forces on a Particle
Equilibrium in Two Perpendicular Directions
Resolving Forces in Two Dimensions
Equilibrium of a Particle Under Coplanar Forces
Smooth Pulleys and Connected Particles
Addition of Forces and Resultant Forces
Dynamics for Motion in a Plane
Friction: The F ≤ μR Model
Coefficient of Friction and Rough Surfaces
Limiting Friction and Static Equilibrium
Motion on a Rough Surface
Worked Examples: Newton's First Law
Worked Examples: Newton's Second Law in 1D
Worked Examples: Resolving Forces in 2D
Worked Examples: Equilibrium Problems
Worked Examples: Friction in Static and Dynamic Cases
Exam Trap: Misinterpreting Force Directions
Exam Trap: Incorrectly Resolving Forces
Exam Trap: Misapplying Newton's Third Law
Unit 19
Moments
Definition of a Moment
Moment Formula
Understanding Torque
Units of Moments
Principle of Moments
Equilibrium Conditions for Moments
Clockwise and Anticlockwise Moments
Calculating Moments About a Point
Moments of Forces Acting at Angles
Using Perpendicular Distance in Moment Calculations
Worked Example: Single Force Moment
Worked Example: Multiple Forces Moments
Finding Unknown Forces Using Moments
Moments in Static Equilibrium Problems
Moment Applications in Beams
Moment Applications in Levers
Moment Applications in Bridges
Moment Applications in Ladders
Moment Applications in Structures
Common Errors in Moment Calculations
Interpreting Moment Diagrams
Exam Trap: Misusing Perpendicular Distance
Exam Trap: Incorrect Signs for Moments
Exam Trap: Forgetting Equilibrium Conditions
Moment Problems with Distributed Loads
Moment Problems with Point Loads
Worked Example: Combined Distributed and Point Loads
Moments in Rotational Systems
Moments in Pulley Systems
Moments in Inclined Planes
Moments in Real-World Engineering Contexts
Using Moments in Problem-Solving Strategies
Simplifying Complex Moment Problems
Exam Strategy: Moment Questions
non calc
Introduction to Differentiation