Mr R-C's Classes
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IGCSE
IGCSE Unit Resources
>
Unit 1 - Percentages
Unit 2 - Sets
Unit 3 - Indices and Surds
Unit 4 - Circle Theorems
Unit 5 - Formulae
Unit 6 - Vectors
Unit 7 - Quadratic Equations
Unit 8 - Tree Diagrams
Unit 9 - Coordinate Geometry
Unit 10 - Sequences
Unit 11 - Statistical Diagrams
Unit 12 - Composite and Inverse Functions
Unit 13 - Similarity
Unit 14 - Variation
Unit 15 - Algebraic Fractions
Unit 16 - Advanced Trigonometry
Unit 17 - Quadratic Functions
Unit 18 - Volumes and Surface Area
Unit 19 - Graphs
Unit 20 - Logarithms
Unit 21 - Transforming Graphs
IGCSE Revision Materials
IB
Mathematical Studies
>
MSSL Unit Resources
>
Unit 1 - Number Review
Unit 2 - Sequences and Series
Unit 3 - Statistics 1
Unit 4 - Functions 1
Unit 5 - Trigonometry and Mensurations
Unit 6 - Functions 2
Unit 7 - Statistics 2
Unit 8 - Differentiation
Unit 9 - Sets and Probability
Unit 10 - Functions 3
Unit 11 - Financial Maths
Unit 12 - Statistics 3
Unit 13 - Logic
IB Studies Revision Homework
MSSL Revision Materials
Studies Exam Question Practice
Mathematics Higher Level
>
HL Unit Resources
>
Unit 1 - Algebra
Unit 2 - Functions & Equations
Unit 3 - Trigonometry
Unit 4 - Exponentials and Logarithms
Unit 5 - Statistics and Probability
Unit 6 - Differential Calculus
Unit 7 - Discrete Probability Distributions
Unit 8 - Integral Calculus
Unit 9 - Continuous Probability Distributions
Unit 10 - Complex Numbers
Unit 11A - Statistics Option
Unit 11B - Sets and Groups Option
Unit 12 - Vectors
HL Revision Materials
>
HL Weekly Quizzes
Mathematics AA SL
>
AASL Unit Resources
>
Unit 0 - Proof
Unit 1 - Algebra Functions Basics
Unit 2 - Functions, Equations and Inequalities
Unit 3 - Sequences and Series
Unit 4 - Exponentials and Logarithms
Unit 5 - Trigonometric Functions and Equations
Unit 6 - Differentiation 1
AASL Revision Materials
AASL Key Skills Generator
Unit 14 - Variation
Unit Objectives
Prior Knowledge/For Review – Students should be able to:
Solve ratio and proportion problems using the unitary method (
Video 12.01
)
Simplify ratios (
Video 12.02
)
Rearrange formulae
IGCSE Extended Learning Objectives – Students should be able to:
Solve problems involving direct variation (proportion) (
Video 12.03
) (
Video 12.04
)
Solve problems involving inverse variation (
Video 12.03
) (
Video 12.05
)
Find best variation model for given data
Lesson Resources
0. Variation Work Booklet
Variation Booklet
Examples Complete
1. Direct Variation
Lesson
2. Inverse Variation
Lesson
3. UNIT REVIEW
Lesson
Home
IGCSE
IGCSE Unit Resources
>
Unit 1 - Percentages
Unit 2 - Sets
Unit 3 - Indices and Surds
Unit 4 - Circle Theorems
Unit 5 - Formulae
Unit 6 - Vectors
Unit 7 - Quadratic Equations
Unit 8 - Tree Diagrams
Unit 9 - Coordinate Geometry
Unit 10 - Sequences
Unit 11 - Statistical Diagrams
Unit 12 - Composite and Inverse Functions
Unit 13 - Similarity
Unit 14 - Variation
Unit 15 - Algebraic Fractions
Unit 16 - Advanced Trigonometry
Unit 17 - Quadratic Functions
Unit 18 - Volumes and Surface Area
Unit 19 - Graphs
Unit 20 - Logarithms
Unit 21 - Transforming Graphs
IGCSE Revision Materials
IB
Mathematical Studies
>
MSSL Unit Resources
>
Unit 1 - Number Review
Unit 2 - Sequences and Series
Unit 3 - Statistics 1
Unit 4 - Functions 1
Unit 5 - Trigonometry and Mensurations
Unit 6 - Functions 2
Unit 7 - Statistics 2
Unit 8 - Differentiation
Unit 9 - Sets and Probability
Unit 10 - Functions 3
Unit 11 - Financial Maths
Unit 12 - Statistics 3
Unit 13 - Logic
IB Studies Revision Homework
MSSL Revision Materials
Studies Exam Question Practice
Mathematics Higher Level
>
HL Unit Resources
>
Unit 1 - Algebra
Unit 2 - Functions & Equations
Unit 3 - Trigonometry
Unit 4 - Exponentials and Logarithms
Unit 5 - Statistics and Probability
Unit 6 - Differential Calculus
Unit 7 - Discrete Probability Distributions
Unit 8 - Integral Calculus
Unit 9 - Continuous Probability Distributions
Unit 10 - Complex Numbers
Unit 11A - Statistics Option
Unit 11B - Sets and Groups Option
Unit 12 - Vectors
HL Revision Materials
>
HL Weekly Quizzes
Mathematics AA SL
>
AASL Unit Resources
>
Unit 0 - Proof
Unit 1 - Algebra Functions Basics
Unit 2 - Functions, Equations and Inequalities
Unit 3 - Sequences and Series
Unit 4 - Exponentials and Logarithms
Unit 5 - Trigonometric Functions and Equations
Unit 6 - Differentiation 1
AASL Revision Materials
AASL Key Skills Generator