HORIZONTAL GOLDEN BEAD FRAME
Materials: the frame which lies flat on the table.
It is less sensorial in that hierarchic colors and spaces between the classes have been eliminated (note: the black lines are drawn on the board beneath the wires; they will indicate where to begin the multiplication when multiplying by units, tens, hundreds or thousands.). All of the previous operations can be done with this material, but we will do the most interesting – multiplication with a two-digit multiplier.