Montessori Addition and Subtraction Board
- A board divided into squares (each 2cm x 2cm) across from left to right and 11 squares from top to bottom. The topmost squares are numbered 1 to 18; from 1 to 10 in red and from 11 to 18 are in blue. There is a red line that divides the board vertically, after the number 10.
-board size:41 X 30 X 4.5 cm
-contains : 2x9 red sticks & 2x9 blue sticks , 17 wooden sticks
-red & blue sticks size : 18,16.14,12.10.8,6,4,2 cm
-wooden sticks size : 34.32,30,28,26,24,22,20,18,16,14,12,10,8,6,4,2 cm
Out of stock