PROBLEM TO BE SOLVED: To provide a teaching tool for arithmetic education which enable infants and early elementary school children to develop an ability for a number and calculation up to a high level.;SOLUTION: The teaching tool 1 for arithmetic education includes a case 11 which is formed to a plane view rectangular shape, is formed to a hollow housing form, and is opened on both side faces in a longitudinal direction, a drawer member 12 which is formed to a plane view rectangular shape, is formed to a container form opened at the top and is housed into a hollow part 11a of the case 11 drawably from both sides in the longitudinal direction of the case 11, and a plurality of solid spheres 13 which are arranged in an inner region 12a of the drawer member 12. The drawer member 12 is partitioned in its inner region 12a by a partition plate 12b provided orthogonally to the longitudinal direction of the drawer member 12 to regions A, B on both right and left sides respectively having the plane view rectangular shape. A clearance (communication section) C for moving the solid spheres 13 between the regions A and B is formed between the partition plate 12 and the inner side wall of the drawer member 12.;COPYRIGHT: (C)2007,JPO&INPIT
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