IGCSE Maths / Working with shape and space

Time intervals, money and currency revision notes

Edexcel International GCSE Maths (4MA1), chapter 11: Working with shape and space, specification point 4.4e-f. Part of the full course.

Watch the video lesson · IGCSE Maths past papers

Work out time intervals by counting in minutes, because an hour has 60 minutes rather than 100. Convert currencies by multiplying or dividing according to what the exchange rate means and whether the answer should be bigger or smaller.

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
• Converting units of length, area and volume