The Kalfun Math Tool for Addition and Subtraction is a simple educational device specially designed with patented features, for early use by children from pre-KG to U.K.G.
The purposes of the tool are to help children:
Learn and develop a strong number sense
Understand properties of addition
Recognise patterns and relationships among numbers
Enhance memory and mental skills through building concepts
Develop algebraic thinking
The colourful and student friendly device presents the number sequence on slidable and rotatable blocks that serve as the reckoning slide on the top row. and provides a set of movable blocks on the bottom slide that are aligned neatly with the blocks on the top row in matching colors to help with counting and solving problems.