Calculation training tool, and calculation training system

Details Calculation training tool, and calculation training system Calculation training tool, and calculation training system

2006-07-18

2006-07-18

Fernstrom, Kurt (Department: 3714)

Education and demonstration

Mathematics

Arithmetic

Reexamination Certificate

active

07077655

ABSTRACT:
The calculation training tool comprises: a substrate; a plurality of bead-shaped members mounted movably on the substrate; and scales displayed on the substrate surface together with numerals for giving answers when an addition and a subtraction are made by moving the bead-shaped members. The training system uses learning papers prepared for learning numeral composing and decomposing methods, together with the calculation training tool.

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