US3667757A
(en )
1972-06-06
Board game apparatus
US2743108A
(en )
1956-04-24
Arithmetical bingo game apparatus
US6648648B1
(en )
2003-11-18
Instructional mathematics board game
US4156976A
(en )
1979-06-05
Game playing apparatus
US4592553A
(en )
1986-06-03
Matrix category game
DE3804862C2
(enExample )
1992-01-30
US2783998A
(en )
1957-03-05
Card games
US6581937B1
(en )
2003-06-24
Mathematical game apparatus and method of playing the same
US5054788A
(en )
1991-10-08
Board game
CA2039659A1
(en )
1991-10-25
Alphabet teaching and learning game and method thereof
US4017080A
(en )
1977-04-12
Arithmetic board game
Thorndike et al.
1933
The influence of increase and decrease of the amount of reward upon the rate of learning.
US2655736A
(en )
1953-10-20
Card game apparatus
US3749406A
(en )
1973-07-31
Oracular card game
CH588254A5
(en )
1977-05-31
Multiple dice chance game - uses six faced dice with different colour panels on face for number series
US2225422A
(en )
1940-12-17
Card game
McBride et al.
1991
Using commercial games to design teacher-made games for the mathematices classroom
JP2678429B2
(ja )
1997-11-17
ゲーム式そろばん練習カード
TR2022003868U5
(tr )
2023-09-21
Forbi̇l bi̇leşi̇k formülleri̇ni̇n öğreni̇lmesi̇ne yöneli̇k eği̇ti̇m materyali̇
GB1265830A
(enExample )
1972-03-08
RU88570U1
(ru )
2009-11-20
Обучающая игра
DE2541450A1
(de )
1977-03-31
Vergleichsschablone fuer zahlenspiele
DE248673C
(enExample )
Keenen
1971
Comparative achievement of two substandard groups of university freshmen
Wortman
1982
Russian Officialdom: The Bureaucratization of Russian Society from the Seventeenth to the Twentieth Century