The subtraction board presents the concept of subtraction for children in a simple way and depends on focusing on the number and not being distracted.
The wooden sticks are 16 in number. We do not put them opposite the first or the last number, and arrange them as in the picture
The child pulls the stick corresponding to the number from which it is being subtracted and covers all the following numbers.
We start by putting the subtracted number, then counting and putting the appropriate number
In the beginning, it is possible for the child to make all the arithmetic operations sheet using it until he understands the subtraction in the simple numbers.