Mathematical teaching cards

Details Mathematical teaching cards Mathematical teaching cards

1982-09-15

1985-04-23

Grieb, William H.

Education and demonstration

Mathematics

Arithmetic

273299, 273302, G09B 1902, A63F 100

Patent

active

045127468

ABSTRACT:
A series of mathematical teaching cards consisting of a plurality of decks each having a level of difficulty identification, a plurality of sets of mathematical statements having the same answer, and a deck identification number is disclosed and described. The teaching cards may be used for multiplication, division, subtraction, and addition or any combination thereof.

REFERENCES:
patent: 133296 (1872-11-01), Bradley
patent: 1146808 (1915-07-01), Miller
patent: 1273864 (1918-07-01), Johnson
patent: 1292184 (1919-01-01), Wells
patent: 1305949 (1919-06-01), Stouffer et al.
patent: 1354707 (1920-10-01), Waterhouse
patent: 1381643 (1921-06-01), Jourdan
patent: 1417434 (1922-05-01), Weiss
patent: 1599568 (1926-09-01), Koehler
patent: 1666996 (1928-04-01), Douglas
patent: 2154891 (1939-04-01), Dodge
patent: 2205440 (1940-06-01), Schoenberg et al.
patent: 2607595 (1952-08-01), Mathes
patent: 2769640 (1956-11-01), Elder
patent: 3143348 (1964-08-01), Carsen et al.
patent: 3627325 (1971-12-01), Breslow
patent: 3935651 (1976-02-01), Mankoff et al.
patent: 4234189 (1980-11-01), Chunn

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