The great arithmetic frame enables it even small children to do arithmetic operations up to the field of millions. According to the exercise the pearls can be transferred and you can see simply the result Examples of use: The child is supposed to solve the exercise (123400 plus 789198) The addition is done by simply transfering of the pearls. Thus substraction operations can be easily executed. Control check: It is given by counting and comparing with the prescribed exercise. Material: wood, metal, plastic Proportions: approx. 34 x 26,5 x 7,5 cm
Orders are at the moment only possible on our german homepage. For more details look at great arithmetic frame up to 10 millions; at our german homepage.