Learning aid to enlighten intelligence for children

摘要

A learning aid for children comprising a plurality of auxiliary charts each having a plurality of contents for learning easy addition or subtraction by means of memorizing one content by one person (teacher) and asking questions by another person (learner). The answers by the teacher cause the lerner to add or subtract according to designated numerals of said charts, thereby leading to the content memorized. A main chart, showing sheets or a numeral sheet may also be used.