Mr  Lynton              

dly@goffs.herts.sch.uk             

Unit 5a: Polygons, angles and parallel lines

Angles in quadrilaterals

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Basic angle properties

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Unit 5b: Pythagoras' Theorem and Trigonometry

2D Pythagoras, line segment

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Interior and exterior

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Parallel lines

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Homework

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Trigonometry (sides)

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Exact trig values

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Exam questions 17-19

Solutions 17-19

Compound shapes

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Area and perimeter of circles

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Unit 7b: 3D shapes

Cube, cuboids and cylinders

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Spheres and prisms

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Unit 11: Compound measures

Basic proportion and best buys

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Prove similarity

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Proving congruency 

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Unit 12: Similarity and congruence

Unit 13b: Further trigonometry 

Area of triangle

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Using sine rule

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Homework

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Circle theorems 1

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Unit 16a: Circle theorems

Circle theorem 2 

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Unit 16b: Circle Geometry

Drawing circles and finding radius

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Equation of a tangent

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Basic vectors

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Resulting vectors

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Problem solving and ratio

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Unit 18: Vectors and geometric proof

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Parallel and straight lines

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Homework

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Homework

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Answers

Arc lengths and sectors

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Unit 7a: Perimeter, area and circles

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Cones and Frustums

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Repeated % change (Compound interest)

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Speed and units

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Density and pressure

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Circle theorem 3 

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Finding lengths and area

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Finding volume and using ratio

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Length in 3D

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Trigonometry in 3D

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Using cosine rule

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Combination of sine, cosine and area

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Homework

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Answers

Homework

Trigonometry (angles)

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Homework

Homework

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Homework

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Answers