One of the big misapprehensions about mathematics that we perpetrate in our classrooms is that the teacher always seems to know the answer to any problem that is discussed. — Leon Henkin Copy Share Image
One of the big misapprehensions about mathematics that we perpetrate in our classrooms is that the teacher always seems to know the answer to any problem that is discussed. This gives students the idea that there is a book somewhere… — Leon Henkin Copy Share Image
One of the big misapprehensions about mathematics that we perpetrate in our classrooms is that the teacher always seems to know the answer to… — Leon Henkin Copy Share Image
One of the big misapprehensions about mathematics that we perpetrate in our classrooms is that the teacher always seems to know the answer to… — Leon Henkin Copy Share Image