# Area of 2D and 3D Shapes

Students learn how to calculate the area of triangles, parallelograms and trapeziums.  They use this knowledge to later find the total surface of cuboids and prisms.

This topic takes place in Term 2 of Year 8 and is the prerequisite topic for Circles, Cylinders and Circular Shapes.

4 Part Lesson
4 Part Lesson
4 Part Lesson
4 Part Lesson
##### Area of Triangles and Composite Shapes
Extended Learning
Problem Solving
Revision
Revision
Revision
##### Working mathematically

Develop fluency

• Use language and properties precisely to analyse 2-D and 3-D shapes

Reason mathematically

• Begin to reason deductively in geometry,

Solve problems

• Select appropriate concepts, methods and techniques to apply to unfamiliar and non-routine problems.
##### Subject Content

Shape

• Derive and apply formulae to calculate and solve problems involving: perimeter and area of triangles, parallelograms, trapezia, volume of cuboids (including cubes) and other prisms
• Calculate and solve problems involving: perimeters of 2-D shapes and composite shapes.

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