Education and demonstration – Mathematics – Arithmetic
Patent
1998-09-01
2000-08-29
Hafer, Robert A.
Education and demonstration
Mathematics
Arithmetic
434188, 434209, 434167, 273299, G09B 1902
Patent
active
061099244
ABSTRACT:
The invention provides one or more question cards and one or more answer cards, where each answer card corresponds to one or more question cards, and whereby a student is can associate each question card with an answer card, and learn by confirming the matching of pattern s located on each card to determine if a correct answer has been chosen. The question card may display an illustration sketch or diagram, or express a statement, an incomplete statement, a question or a mathematical expression, or any of these images separately or in combination. The answer card may express the truth or falsehood of a statement of a corresponding question card, a word or sentence fragment which can be used in combination with an incomplete statement of a corresponding question card to complete a statement, a statement that comprises a correct answer to a question of a corresponding question card and/or a mathematical expression or value that comprises a correct answer to a mathematical expression of a question card. The patterns may be located close to an edge of the answer or question card. The pattern may represent a number expressed in base two, or ten or any base of a whole number.
REFERENCES:
patent: 163912 (1875-06-01), Birmeli
patent: 777268 (1904-12-01), Thompson
patent: 3302310 (1967-02-01), Leven
patent: 3469325 (1969-09-01), Greenberg
patent: 4050698 (1977-09-01), Brown
Sanford, Jr. Jack G.
Sanford, Sr. Jack G.
Hafer Robert A.
Miller Bena B.
Reilly Patrick
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