Numerule Numberule Hands on Math Manipulation Ruler is made of high quality material. Numerule can be used to help a child develop an understanding of number recognition; number order; measurement; simple operations addition, subtraction, multiplication and division statistics and probability. The numerule is a manipulative modern teaching aid that incorporates multi sensory, tactile innovation to support children in building a foundational understanding of mathematics. Children can press down the unique and tactile numbered buttons and press them back up from underneath. The numerule is a concrete learning aid ideal for kinaesthetic learning. The physically interactive nature of the numerule makes it ideal for assisting many children with special educational needs.