发明名称 ARITHMETIC TRAINING TOOL
摘要 <P>PROBLEM TO BE SOLVED: To provide an arithmetic training tool which is capable of properly helping a user to learn addition with carrying and subtraction with borrowing. <P>SOLUTION: An arithmetic training tool 11 includes: a block plate 12 having a placing part 26 on which a plurality of blocks 14 arrayed in a front-back direction are placed; and a case member 13 having a top plate part 30 and a support part 34 which supports the block plate 12 in the case that the block plate 12 is mounted in a first mode where the top plate part 30 faces the placing part 26 with the blocks 14 therebetween and in the case that the block plate 12 is mounted in a second mode where the top plate part 30 is located on the opposite side of the blocks 14 with the placing part 26 therebetween. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2013025100(A) 申请公布日期 2013.02.04
申请号 JP20110159970 申请日期 2011.07.21
申请人 BUNKEIDO CO LTD 发明人
分类号 G09B19/02 主分类号 G09B19/02
代理机构 代理人
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