Patent Document ID: 3934357
Application ID: 05387350
Patent Flag: 1

Claim One:
1. Apparatus which includes the provision for utilizing kinesthetic senses to teach arithmetic, said apparatus comprising: a series of individual, three dimensional, digit-defining cutouts presenting a range of numerals having corresponding distinctive configurations in which each of said cutouts is of a predetermined length relative to that of the other cutouts in said series, said cutouts being graduated to progressively increase in length from a numeral denoting a low value to a numeral denoting a high value, the length of each of said cutouts being proportionate to that of the other cutouts in said series with the respective lengths corresponding directly with the numerical value thereof such that a selected group of two or more of said cutouts have a combined length, when placed in an end-to-end relationship, equal to that of the cutout presenting the numeral having a value equal to the sum of the values of said selected group of cutouts, said cutouts each being provided with top and bottom edges that are straight and in parallelism with each other in order that the accurate placing of said cutouts in said end-to-end relationship is facilitated.