Educational aid for mathematics

Details Educational aid for mathematics Educational aid for mathematics

1993-04-01

1994-08-16

Mancene, Gene

Education and demonstration

Mathematics

Arithmetic

434191, 273272, G09B 100, G09B 1900, G09B 1902

Patent

active

053382030

ABSTRACT:
Mathematics teaching aid for recognition of numerical and functional equivalents and spatial relationships having tiles (12, 14, 16) marked with numerals (12) , functions (14) , and equals (16) and a baseboard (10) with intersecting rows of spaces where two to four students can form linear equations (18) by aligning the proper tiles on the baseboard (10) which intersect at right angles and share one tile.

REFERENCES:
patent: 3267590 (1966-08-01), Browning
patent: 3314168 (1967-04-01), Heckman
patent: 3844568 (1974-10-01), Armstrong
patent: 3904207 (1975-09-01), Gold
patent: 4316612 (1982-02-01), Harder
patent: 4808111 (1989-02-01), Pratt
patent: 4884973 (1989-12-01), Pak
patent: 5040987 (1991-08-01), Frazier
patent: 5176381 (1993-01-01), Winters

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