Mr R-C's Classes
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    • IGCSE Unit Resources >
      • Unit 0 - Simultaneous Equations
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      • Mathematics Higher Level >
        • HL Unit Resources >
          • Unit 1 - Algebra
          • Unit 2 - Functions & Equations
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          • Unit 11A - Statistics Option
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          • Unit 12 - Vectors
        • HL Revision Materials >
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Unit 5 - Trigonometry and Mensuration

​Unit Objectives
  • Right angled trigonometry in 2D to find Lengths (Video 5.01) (Video 5.02) (Video 5.03) (Video 5.04) [5.2]
  • Right angled trigonometry in 2D to find Angles (Video 5.05) (Video 5.06) [5.2]
  • Solve problems involving angles of elevation and depression (Video 5.07) [5.2]
  • Use the Sine Rule to find lengths (Video 5.08) (Video 5.09) of sides and angles (Video 5.10) [5.3]
  • Use the Cosine Rule to find lengths (Video 5.11) (Video 5.12) of sides and angles (Video 5.13) (Video 5.14) [5.3]
  • Use the trigonometric formula for the area of a triangle (Video 5.15) [5.3]
  • Calculate lengths of lines (Video 5.16) and size of angles (Video 5.17) in simple 3D shapes using trigonometry [5.4]
  • Volume and surface areas of three-dimensional solids: [5.5]
    • Cuboid (Video 5.18) (Video 5.19)
    • Right Prism (Video 5.20)
    • Pyramid (Video 5.22)
    • Cone (Video 5.24) (Video 5.25)
    • Cylinder (Video 5.26) (Video 5.27)
    • Sphere (Video 5.28) (Video 5.29)
    • Combination of the above 
Lesson Resources​
1. Introduction to Trigonometry
Lesson
Worksheet
2. Finding Lengths in Right Angled Triangles
Lesson
Activities
3. Finding Angles in Right Angled Triangles
Lesson
Activities
4. ​Angles of Elevation and Depression
Lesson
5. ​Sine Rule to Find Lengths
Lesson
6. ​Sine Rule to Find Angles
Lesson
Worksheet
7. Cosine Rule
Lesson
Worksheet
Worksheet
8. Area of a Triangle
Lesson
9. 3D Pythagoras Theorem
Lesson
10. 3D Trigonometry
Lesson
Worksheet
11. 3D Shapes
Lesson
Worksheet
Worksheet
12. Surface Area of Plane Shapes
Lesson
Worksheet
13. Surface Area of Curved Shapes
Lesson
Activity
14. Volume of Prisms
Lesson
15. Volumes of Other Shapes
Lesson
Worksheet
Activity
Worksheet Solutions
16. Compound Volumes
Lesson
Worksheet
Activity
Activity Solutions
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 0 - Simultaneous Equations
      • Unit 0 - Regression
      • Unit 1 - Percentages
      • Unit 2 - Sets
      • Unit 2 - Graphs and GDC
      • 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
    • Mathematics AI SL >
      • AISL Unit Resources >
        • Unit 1 - Number and Algebra
        • Unit 2 - Statistics
        • Unit 3 - Geometry and Trigonometry
        • Unit 4 - Functions and Modelling
        • Unit 5 - Calculus
        • Unit 6 - Probability
      • AISL Revision Materials
    • 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
        • Unit 7 - Statistics
        • Unit 8 - Probability
        • Unit 9 - Mensuration
        • Unit 10 - Differentiation 2
        • Unit 11 - Integration
      • AASL Revision Materials
      • AASL Key Skills Generator
    • Mathematics AA HL >
      • AAHL Unit Resources >
        • Unit 1 - Number and Algebra
        • Unit 2 - Functions
        • Unit 3 - Geometry and Trigonometry
        • Unit 4 - Differential Calculus
        • Unit 5 - Integral Calculus
        • Unit 6 - Statistics
        • Unit 7 - Probability
        • Unit 8 - Limits and Differential Equations
        • Unit 9 - Vectors
        • Unit 10 - Complex Numbers
      • AAHL Revision Materials
    • IB Legacy Courses >
      • 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