Using the Tens Boards, the child explores the number names of the tens and the sequence of numbers 11–99. Bead quantities are created from the 10 bars and unit beads in the Tens...
A material used for teaching the number sequence from 1 to 100. The material consists of a wooden board printed with 100 squares and a box with lid containing chips printed with...
This original idea of Maria Montessori, as described in ‘The Discovery Of The Child’, is an additional exercise to prepare the child for writing numbers.