IGCSE Maths / Working with shape and space

Converting units of length, area and volume

Edexcel International GCSE Maths (4MA1), chapter 11: Working with shape and space, specification point 4.9c-f. Part of the full course.

Read the revision notes · IGCSE Maths past papers

Convert lengths using the length factor, but square that factor for areas and cube it for volumes. This prevents common errors when changing between metric units.

More lessons in Working with shape and space

• Angles at a point and on a line
• Angles in parallel lines
• Angle sum of a triangle
• Exterior angle of a triangle
• Angles in special triangles
• Angle sum of a quadrilateral
• Properties of quadrilaterals
• Writing geometrical reasons
• Angle sum of a polygon
• Interior and exterior angles of regular polygons
• Finding the number of sides from an angle
• Irregular polygon angle problems
• Perimeter and area of rectangles and triangles
• Area of a parallelogram
• Area of a trapezium
• Names of solids: faces, edges and vertices
• Surface area of a cuboid
• Surface area of a triangular prism
• Volume of a prism
• Compound prisms and volume units
• Time intervals, money and currency