Subtraction Strip Board and box containing strips : 1 set The Discovery of the Child Montessori pioneered over one-hundred years

Montessori pioneered over one-hundred years ago are not only scientifically supported and researched

and tactile perceptions

Discussion points to stimulate class debate

Description : Wooden wall frame for hanging golden bead chains of 100 and 1000 for display

early years professionals

Subtraction Strip Board and box containing strips : 1 set The Discovery of the Child Montessori pioneered over one-hundred yearsThis set includes one hardwood board with 18 numbered squares across the top and 12 squares downward. A wooden box with 9 red and 9 blue wooden strips printed with the numerals 1 9 and 18 natural wooden strips of varying lengths are provided for the exercises. The natural strips indicate the value to subtract from and the blue strips indicate the value to be subtracted.