Length – where pi comes from, and how to calculate the circumference of a circle.
Area – you always wanted to know the surface area of a human, right?
Volume – just remember 1 liter is 1 cubic decimetre.
Comparing Surface Area & Volume – the
importance of surface area for volume, and how size makes a difference
for chemical reactions and hot air balloons.
Polygons & Polyhedra – polygons
are shapes; polyhedra are solids. Objects such as soccer balls are made from certain polyhedrons, while dice can be made from many different polyhedra. Polyhedra can be made by plaiting; an example is given of a plaited cube.
Measurement Devices – lots of
devices used to measure all sorts of lengths, areas and volumes.
