The concrete-pictorial-abstract approach is at the heart of Numicon, encouraging communicating and the exploration of mathematical ideas. This helps children to problem solve and reason mathematically, using concrete and pictorial representations to explain and justify thinking. Quantities assume six children per table and the existence of some Numicon shapes in school already. This KS1 pack contains:. 2 Numicon Baseboard. 1 Box of 80 Numicon Shapes. 1 Set Numicon 10-Shapes (10). 1 Set Numicon 1-Shapes (20). 1 Set Numicon Coloured Pegs (80). 1 Number Rod Set Small. 1 Numicon 10s Number Line. 1 Numicon 1-100cm Number Rod Track. Features. This wide range of apparatus enables children to explore and represent maths ideas in different ways. One pack is suitable for a table of six children working together. Encourages children to reason and explain their thinking through use of concrete objects and imagery. Numicon is research-based and proven to have a significant and lasting impact on results.