Mensuration and calculation
Groups
Measures, scale drawings and bearings
Reading and making accurate drawings, the units mensuration answers carry.
Perimeter and area
The distance round a shape and the space inside it.
Circles, arcs and sectors
The two circle formulas and which of them a question is really asking for.
Prisms and cylinders
Volume as repeated cross-sections and surface area as an unfolded net.
Pyramids, cones and spheres
The pointed and curved solids: a third for anything pointed.
Pythagoras’ theorem
The relation between the three sides of a right-angled triangle, run forwards.
Right-angled trigonometry
The three ratios that link an angle of a right-angled triangle to its sides.
The sine and cosine rules
Higher tier: the rules that solve any triangle, right angle or not.