Includes index.

Contents:
Keeping count -- tallying to keep count -- number symbols -- place value -- zero -- negative numbers -- infinity -- ordering numbers -- estimating -- rounding -- addition -- subtraction -- number bonds -- multiplication -- division -- factors -- equations -- fractions -- types of fractions -- decimals -- percentages -- ratio -- scaling -- sequences -- prime numbers -- square numbers -- cube numbers -- fibonacci sequence -- magic shapes -- pascal's triangle -- codes -- angles -- types of angle -- symmetry -- transformation -- maps -- map scales -- using a compass -- amazing mazes -- lines -- 2d shapes -- triangles -- measuring a mammoth -- triangle test -- quadrilaterals -- circles -- 3d shapes -- making 3d shapes -- polyhedrons -- impossible shapes -- length -- area -- volume -- speed -- weight and mass -- telling time -- temperature -- gathering data -- data handling -- venn diagrams -- averages -- probability.