Add to ORKGBlack and white photograph (undated) of math problems handwritten on a blackboard
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/mathematics_genera...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Black and white photograph (undated) of a blackboard handwriting specimen by C.P. Zaner
Black and white photograph (undated) of a blackboard handwriting specimen by C.P. Zaner
Black and white photograph (undated) of young boys practicing their handwriting at the blackboard
Color photograph of a mathematics board gamehttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Black and white photograph (undated) of a blackboard handwriting specimen by C.P. Zaner
Black and white photograph (undated) of a blackboard handwriting specimen by C.P. Zaner
1957 photograph of Mathematics. Kenneth A. Bush in front of a blackboard. [PG1_257-01
color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/mathematics_genera...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/mathematics_genera...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/mathematics_genera...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Black and white photograph (undated) of a blackboard handwriting specimen by C.P. Zaner
Black and white photograph (undated) of a blackboard handwriting specimen by C.P. Zaner
Black and white photograph (undated) of young boys practicing their handwriting at the blackboard
Color photograph of a mathematics board gamehttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Black and white photograph (undated) of a blackboard handwriting specimen by C.P. Zaner
Black and white photograph (undated) of a blackboard handwriting specimen by C.P. Zaner
1957 photograph of Mathematics. Kenneth A. Bush in front of a blackboard. [PG1_257-01
color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/mathematics_genera...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/mathematics_genera...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/mathematics_genera...
Color photograph of mathematics teaching aidhttps://digitalcommons.cedarville.edu/cmc_teaching_aids_...