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      • Unit 1 - Percentages
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      • Unit 9 - Coordinate Geometry
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      • Unit 12 - Composite and Inverse Functions
      • Unit 13 - Similarity
      • Unit 14 - Variation
      • Unit 15 - Algebraic Fractions
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        • Unit 1 - Number Review
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      • AASL Unit Resources >
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        • Unit 3 - Sequences and Series
        • Unit 4 - Exponentials and Logarithms
        • Unit 5 - Trigonometric Functions and Equations
        • Unit 6 - Differentiation 1
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Unit 4 - Functions 1 - Linear

Unit Objectives
  • Draw mapping diagrams and the concept of a function (Video 4.01) (Video 4.02) (Video 4.03) (Video 4.04) (Video 4.05) (Video 4.06) [6.1]
  • Domain and range (Video 4.07) (Video 4.08) (Video 4.09) [6.1]
  • Describe relationships between sets of numbers using function notation [6.1]
  • Find gradient between two points (Video 4.10) (Video 4.11) [5.1]
  • Find midpoint of two points (Video 4.12) (Video 4.13)
  • Find distance between two points (Video 4.14) (Video 4.15)
  • Gradient of parallel lines (Video 4.16) (Video 4.17) [5.1]
  • Gradient of perpendicular lines (Video 4.18) (Video 4.19) [5.1]
  • Identify gradient and y-intercept of straight line graphs from the equation (Video 4.20) [5.1]
  • Find equation of straight line from graph (Video 4.21) [5.1]
  • Give the equation of a straight line using y = mx + c (Video 4.22) [5.1]
  • Give the equation of a straight line using y - y0 = m(x - x0) (Video 4.23) [5.1]
  • Give the equation of a straight line in the form ax + by = c (Video 4.24) (Video 4.25) [5.1]
  • Solve problems in context for linear models (Video 4.26) [6.2]
Lesson Resources​
1. Introduction to Functions
Lesson
Worksheet
Worksheet
2. Domain and Range
Lesson
DESMOS Activity
3. Function Notation
Lesson
4. ​Graphs of Functions
Lesson
5. ​Gradient
Lesson
Notes
Activity
6. ​Parallel Lines
Lesson
Activity
7. Perpendicular Lines
Lesson
Activity
8. Equations of Lines
Lesson
Activity
9. General Form of Straight Lines
Lesson
10. Vertical and Horizontal Lines
Lesson
11. Intersection of Straight Lines
Lesson
12. Midpoints and Lengths of Line Segments
Lesson
13. Mathematical Models
Lesson
14. Linear Models
Lesson
15. Simultaneous Equation Models
Lesson
For a whole range of mathematical activities for use in and out of the classroom, including random question generators, Bingo generators and worksheet generators, as well as computer based investigations and activities check out my main site: www.interactive-maths.com.

​If you are interested in codes, ciphers and codebreaking, then check out my secondary site, Crypto Corner, dedicated to providing information about all types of ciphers, as well as tools for encrypting, decrypting and breaking messages.
  • 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