Geometry and Measures

Rotating Shapes

$Rotation in geometry with examples, including the center of rotation, direction (clockwise or anticlockwise), and angle.$

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Translating Shapes

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Area of a Triangle

$Diagram explaining the area of triangles formula 1/2 × b × h, examples of perpendicular height, and notes emphasising any side as base.$

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Area of Compound Shapes

$Diagram explaining how to find the area of a compound shape by breaking it into simpler shapes, then summing or subtracting their areas.$

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Rotational Symmetry

$Diagram showing a square with an order of rotation symmetry 4, and explanations of the centre of rotation, angle of rotation, and order of symmetry.$

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Line of Symmetry and Reflection Symmetry

$Diagram showing lines of symmetry in common shapes: rectangle (2), square (4), isosceles triangle (1), equilateral triangle (3), circle (infinite).$

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Pythagoras’ Theorem and Applications

$Diagram explaining Pythagoras' theorem using two right-angled triangles, showing the equation a² + b² = c², and an example showing 3² + 4² = 5².$

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Trigonometry: Sine, Cosine, Tangent

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Cosine Rule

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Sine Rule

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Lesson Category: Geometry and Measures

Rotating Shapes

Translating Shapes

Area of a Triangle

Area of Compound Shapes

Rotational Symmetry

Line of Symmetry and Reflection Symmetry

Pythagoras’ Theorem and Applications

Trigonometry: Sine, Cosine, Tangent

Cosine Rule

Sine Rule

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