This pack contains 5 Numicon number rod tracks. Useful for teaching place value, partitioning, multiplication and division. Decade sections fit together to total 100 cm. Ideal for use with Number Rods and the wide range of Numicon digital, print and physical teaching materials. Research-based and proven to have a significant and lasting impact on results, Numicon apparatus encourages children to reason mathematically through the use of concrete objects. Designed to be used with 5- to 11-year-olds (Key Stage 1 and 2 / Primary 1 to Primary 7). Not suitable for children under 36 months.