The multiplication board has 100 small round holes and the numbers 1 to 10 engraved on the upper side. On the left side you find an opening to slide in the small number tablets and in the left corner there is a place to put in the red counter. A wooden box with two compartments contains the red PMMA counter, the 1 to 10 engraved wooden tablets and 100 red micro lathed beads (plus 10 spare ones). The division board has 81 small round holes and the numbers 1 to 9 engraved on the upper side and holes to place the skittles in. A wooden box with two compartments contains 81 green micro lathed beads (plus 5 spare ones) and 9 micro lathed skittles with green varnish finishing. The wooden parts have a UNI EN 71-3 finishing.
MULTIPLICATION AND DIVISION KIT
This material, to be used from the age of 5 onwards, allows the child to immediately catch the concept of multiplication and division by simply handling concrete objects and also makes clear how the two operations are one the inverse of the other. By repeating the exercise, it also allows to progressively memorize the results of simple multiplications with products under 100 and divisions within dividends under 81.